Hartford, Connecticut, USA Air Quality

Monitoring Station · Hartford, United States
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
66 6am
66
66
66 9am
66
86
86 12pm
57
57
57 3pm
59
59
59 6pm
59
66
— 9pm
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—
— 12am
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— 3am
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CAMS model adj +32
34
34
34
34
34
54
54
25
25
25
27
27
27
27
34

Air Quality Forecast (24h)

PM2.54.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Hartford, Connecticut, USA
0.0 km PM2.5: 5.0 µg/m³
21
East Hartford, Connecticut, USA
3.9 km PM2.5: 5.0 µg/m³

Nearby Cities

39 Hartford 29 East Hartford 36 Wethersfield 37 West Hartford 31 South Windsor 34 Glastonbury 35 Bloomfield 36 Newington 32 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:07 UTC.