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AQI Observations

@aqiobs.bsky.social
160 followers 243 following 23K posts

This profile is an automated monitor of Air Quality Index Observations ( #AQIObs ). NOT affiliated with any official or federal organizations. Powered by #Python, #DuckDB, and the BlueSky API. #AQI #dataBS #OpenData #DataViz #PyData #EarthObservation

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AQI Observations @aqiobs.bsky.social · 09/09/2026
The Air Quality Index (AQI) at the Sarajevo site in Bosnia and Herzegovina is 164 [Unhealthy] as of Sep 09, 2026 @ 12PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-09 12:00 - there is a peak AQI value of 164 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 09/09/2026
The Air Quality Index (AQI) at the Sarajevo site in Bosnia and Herzegovina is 153 [Unhealthy] as of Sep 09, 2026 @ 11AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-09 11:00 - there is a peak AQI value of 153 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 09/09/2026
The Air Quality Index (AQI) at the San Pablo - Rumrill site in CA, United States is 139 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 5PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-08 17:00 - there is a peak AQI value of 139 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 09/09/2026
The Air Quality Index (AQI) at the San Pablo - Rumrill site in CA, United States is 120 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 4PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-08 16:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the Research Farm site in SD, United States is 136 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 12PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-08 12:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the Rahway PM site in NJ, United States is 125 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 11AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-08 11:00 - there is a peak AQI value of 125 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the Baku site in Azerbaijan is 149 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 7PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-08 19:00 - there is a peak AQI value of 149 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the CALGARY SOUTHEAST site in Canada is 161 [Unhealthy] as of Sep 08, 2026 @ 7AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-08 07:00 - there is a peak AQI value of 161 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the CALGARY SOUTHEAST site in Canada is 135 [Unhealthy for Sensitive Groups] as of Sep 08, 2026 @ 4AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-08 04:00 - there is a peak AQI value of 135 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 08/09/2026
The Air Quality Index (AQI) at the Harrisburg site in PA, United States is 161 [Unhealthy] as of Sep 07, 2026 @ 11PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-07 23:00 - there is a peak AQI value of 161 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 07/09/2026
The Air Quality Index (AQI) at the Camp Pendleton site in CA, United States is 162 [Unhealthy] as of Sep 07, 2026 @ 4AM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-09-07 04:00 - there is a peak AQI value of 162 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 07/09/2026
The Air Quality Index (AQI) at the Camp Pendleton site in CA, United States is 160 [Unhealthy] as of Sep 07, 2026 @ 2AM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-09-07 02:00 - there is a peak AQI value of 160 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 07/09/2026
The Air Quality Index (AQI) at the Camp Pendleton site in CA, United States is 124 [Unhealthy for Sensitive Groups] as of Sep 07, 2026 @ 1AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-07 01:00 - there is a peak AQI value of 124 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 07/09/2026
The Air Quality Index (AQI) at the Harrisburg site in PA, United States is 102 [Unhealthy for Sensitive Groups] as of Sep 07, 2026 @ 2AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-07 02:00 - there is a peak AQI value of 102 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 05/09/2026
The Air Quality Index (AQI) at the Brawley - 220 Main Street site in CA, United States is 166 [Unhealthy] as of Sep 04, 2026 @ 10PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-04 22:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 05/09/2026
The Air Quality Index (AQI) at the Canton Fire St8 site in OH, United States is 104 [Unhealthy for Sensitive Groups] as of Sep 04, 2026 @ 11PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-04 23:00 - there is a peak AQI value of 104 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 04/09/2026
The Air Quality Index (AQI) at the Floyd Dryden site in AK, United States is 117 [Unhealthy for Sensitive Groups] as of Sep 04, 2026 @ 1AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-04 01:00 - there is a peak AQI value of 117 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 04/09/2026
The Air Quality Index (AQI) at the Anthony site in NM, United States is 128 [Unhealthy for Sensitive Groups] as of Sep 04, 2026 @ 12AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-04 00:00 - there is a peak AQI value of 128 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 03/09/2026
The Air Quality Index (AQI) at the Eagle Pass C319 site in TX, United States is 103 [Unhealthy for Sensitive Groups] as of Sep 03, 2026 @ 4PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-03 16:00 - there is a peak AQI value of 103 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 03/09/2026
The Air Quality Index (AQI) at the PUBLIC WORKS site in IA, United States is 95 [Moderate] as of Sep 03, 2026 @ 10AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-03 10:00 - there is a peak AQI value of 95 in the Yellow (Moderate) zone.
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AQI Observations @aqiobs.bsky.social · 03/09/2026
The Air Quality Index (AQI) at the Socorro Hueco C49 site in TX, United States is 153 [Unhealthy] as of Sep 03, 2026 @ 5AM Local Time. This is the highest AQI observation in 60 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2026-09-03 05:00 - there is a peak AQI value of 153 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 03/09/2026
The Air Quality Index (AQI) at the Lake Elsinore - W. Flint Street site in CA, United States is 147 [Unhealthy for Sensitive Groups] as of Sep 02, 2026 @ 5PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-02 17:00 - there is a peak AQI value of 147 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 02/09/2026
The Air Quality Index (AQI) at the Beach site in UT, United States is 130 [Unhealthy for Sensitive Groups] as of Sep 01, 2026 @ 6PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-01 18:00 - there is a peak AQI value of 130 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Huron site in CA, United States is 145 [Unhealthy for Sensitive Groups] as of Sep 01, 2026 @ 11AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-09-01 11:00 - there is a peak AQI value of 145 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the South Broadway site in MO, United States is 134 [Unhealthy for Sensitive Groups] as of Sep 01, 2026 @ 11AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-09-01 11:00 - there is a peak AQI value of 134 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland - SE Lafayette site in OR, United States is 189 [Unhealthy] as of Aug 31, 2026 @ 9PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 21:00 - there is a peak AQI value of 189 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Gresham Centennial HS site in OR, United States is 221 [Very Unhealthy] as of Aug 31, 2026 @ 9PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 21:00 - there is a peak AQI value of 221 in the Purple (Very Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland Lane Middle School site in OR, United States is 187 [Unhealthy] as of Aug 31, 2026 @ 9PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 21:00 - there is a peak AQI value of 187 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland Lincoln High School site in OR, United States is 161 [Unhealthy] as of Aug 31, 2026 @ 9PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 21:00 - there is a peak AQI value of 161 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Miami site in United States is 139 [Unhealthy for Sensitive Groups] as of Aug 31, 2026 @ 10PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-08-31 22:00 - there is a peak AQI value of 139 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland Lincoln High School site in OR, United States is 155 [Unhealthy] as of Aug 31, 2026 @ 8PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 20:00 - there is a peak AQI value of 155 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland Near Road site in OR, United States is 186 [Unhealthy] as of Aug 31, 2026 @ 8PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 20:00 - there is a peak AQI value of 186 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland - SE Lafayette site in OR, United States is 178 [Unhealthy] as of Aug 31, 2026 @ 8PM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-31 20:00 - there is a peak AQI value of 178 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland Cully Helensview School site in OR, United States is 158 [Unhealthy] as of Aug 31, 2026 @ 8PM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-31 20:00 - there is a peak AQI value of 158 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Gresham Centennial HS site in OR, United States is 198 [Unhealthy] as of Aug 31, 2026 @ 8PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 20:00 - there is a peak AQI value of 198 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 01/09/2026
The Air Quality Index (AQI) at the Portland - Spangler Road site in OR, United States is 225 [Very Unhealthy] as of Aug 31, 2026 @ 5PM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 17:00 - there is a peak AQI value of 225 in the Purple (Very Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Atascadero site in CA, United States is 113 [Unhealthy for Sensitive Groups] as of Aug 31, 2026 @ 11AM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 11:00 - there is a peak AQI value of 113 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Mill City site in OR, United States is 192 [Unhealthy] as of Aug 31, 2026 @ 11AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-08-31 11:00 - there is a peak AQI value of 192 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Mill City site in OR, United States is 190 [Unhealthy] as of Aug 31, 2026 @ 10AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-08-31 10:00 - there is a peak AQI value of 190 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Atascadero site in CA, United States is 107 [Unhealthy for Sensitive Groups] as of Aug 31, 2026 @ 10AM Local Time. This is the highest AQI observation in 3 years. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-08-31 10:00 - there is a peak AQI value of 107 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Mill City site in OR, United States is 177 [Unhealthy] as of Aug 31, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-08-31 09:00 - there is a peak AQI value of 177 in the Red (Unhealthy) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the EAST HIGH site in IA, United States is 97 [Moderate] as of Aug 31, 2026 @ 10AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-08-31 10:00 - there is a peak AQI value of 97 in the Yellow (Moderate) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the SLO Roberto site in CA, United States is 114 [Unhealthy for Sensitive Groups] as of Aug 31, 2026 @ 4AM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-31 04:00 - there is a peak AQI value of 114 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 31/08/2026
The Air Quality Index (AQI) at the Big Pine-CA site in CA, United States is 97 [Moderate] as of Aug 30, 2026 @ 10PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-08-30 22:00 - there is a peak AQI value of 97 in the Yellow (Moderate) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the Lincoln site in CA, United States is 121 [Unhealthy for Sensitive Groups] as of Aug 30, 2026 @ 3AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-08-30 03:00 - there is a peak AQI value of 121 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the Fair Hill site in MD, United States is 96 [Moderate] as of Aug 30, 2026 @ 12AM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-08-30 00:00 - there is a peak AQI value of 96 in the Yellow (Moderate) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the Indpls-Washington Park site in IN, United States is 105 [Unhealthy for Sensitive Groups] as of Aug 29, 2026 @ 11PM Local Time. This is the highest AQI observation in 30 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-08-29 23:00 - there is a peak AQI value of 105 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the SLO Roberto site in CA, United States is 111 [Unhealthy for Sensitive Groups] as of Aug 29, 2026 @ 6PM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-29 18:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the SLO Roberto site in CA, United States is 107 [Unhealthy for Sensitive Groups] as of Aug 29, 2026 @ 5PM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-29 17:00 - there is a peak AQI value of 107 in the Orange (Unhealthy for Sensitive Groups) zone.
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AQI Observations @aqiobs.bsky.social · 30/08/2026
The Air Quality Index (AQI) at the SLO Roberto site in CA, United States is 103 [Unhealthy for Sensitive Groups] as of Aug 29, 2026 @ 4PM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-08-29 16:00 - there is a peak AQI value of 103 in the Orange (Unhealthy for Sensitive Groups) zone.
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