AQI Observations
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aqiobs.bsky.social
AQI Observations
@aqiobs.bsky.social
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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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aqiobs.bsky.social
The Air Quality Index (AQI) at the Genesee site in Canada is 221 [Very Unhealthy] as of Dec 19, 2025 @ 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 2025-12-19 02:00 - there is a peak AQI value of 221 in the Purple (Very Unhealthy) zone.
December 19, 2025 at 11:47 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Desert View site in NM, United States is 113 [Unhealthy for Sensitive Groups] as of Dec 19, 2025 @ 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 2025-12-19 00:00 - there is a peak AQI value of 113 in the Orange (Unhealthy for Sensitive Groups) zone.
December 19, 2025 at 9:47 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Banja Luka site in Bosnia and Herzegovina is 728 [Hazardous] as of Dec 18, 2025 @ 11PM 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 2025-12-18 23:00 - there is a peak AQI value of 728 in the Maroon (Hazardous) zone.
December 19, 2025 at 12:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lake Ilo site in ND, United States is 153 [Unhealthy] as of Dec 18, 2025 @ 1PM 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 2025-12-18 13:00 - there is a peak AQI value of 153 in the Red (Unhealthy) zone.
December 18, 2025 at 10:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lake Ilo site in ND, United States is 152 [Unhealthy] as of Dec 18, 2025 @ 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 2025-12-18 12:00 - there is a peak AQI value of 152 in the Red (Unhealthy) zone.
December 18, 2025 at 9:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Banja Luka site in Bosnia and Herzegovina is 598 [Hazardous] as of Dec 18, 2025 @ 7PM 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 2025-12-18 19:00 - there is a peak AQI value of 598 in the Maroon (Hazardous) zone.
December 18, 2025 at 8:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Vancouver-NE 84th Ave site in WA, United States is 213 [Very Unhealthy] as of Dec 18, 2025 @ 8AM 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 2025-12-18 08:00 - there is a peak AQI value of 213 in the Purple (Very Unhealthy) zone.
December 18, 2025 at 6:47 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the TK Gregg site in SC, United States is 106 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 6AM 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 2025-12-18 06:00 - there is a peak AQI value of 106 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 1:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the TK Gregg site in SC, United States is 95 [Moderate] as of Dec 18, 2025 @ 5AM 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 2025-12-18 05:00 - there is a peak AQI value of 95 in the Yellow (Moderate) zone.
December 18, 2025 at 12:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Sunriver Three Rivers School site in OR, United States is 107 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 2AM 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 2025-12-18 02:00 - there is a peak AQI value of 107 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 12:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Sunriver Three Rivers School site in OR, United States is 96 [Moderate] as of Dec 18, 2025 @ 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 2025-12-18 01:00 - there is a peak AQI value of 96 in the Yellow (Moderate) zone.
December 18, 2025 at 11:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 136 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 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 2025-12-18 00:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Frenchtown site in MT, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 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 2025-12-17 22:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 131 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 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 2025-12-18 00:00 - there is a peak AQI value of 131 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 123 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 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 2025-12-18 00:00 - there is a peak AQI value of 123 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 111 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 11PM 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 2025-12-17 23:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 6:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the North Charleston F.S. site in SC, United States is 136 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 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 2025-12-17 22:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 100 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10PM 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 2025-12-17 22:00 - there is a peak AQI value of 100 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 135 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 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 2025-12-17 22:00 - there is a peak AQI value of 135 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 9PM 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 2025-12-17 21:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 4:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 8PM 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 2025-12-17 20:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 3:47 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 116 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 7PM 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 2025-12-17 19:00 - there is a peak AQI value of 116 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 2:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 115 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 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 2025-12-17 18:00 - there is a peak AQI value of 115 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 1:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the North Holywood site in CA, United States is 111 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 2PM 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 2025-12-17 14:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 12:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Helena site in MT, United States is 178 [Unhealthy] as of Dec 17, 2025 @ 3PM 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 2025-12-17 15:00 - there is a peak AQI value of 178 in the Red (Unhealthy) zone.
December 18, 2025 at 12:46 AM