Hartford, Connecticut, USA Air Quality

Monitoring Station · Hartford, United States
83
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 5pm
83
44
44 8pm
44
44
44 11pm
44
35
35 2am
35
35
34 5am
34
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Station readings
83
CAMS model adj +10
34
34
34
34
34
34
34
34
25
25
25
25
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24

Air Quality Forecast (24h)

PM2.527.3 µg/m³ ×1.8 WHO
Moderate
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Nearby Monitoring Stations

22
Hartford, Connecticut, USA
0.0 km PM2.5: 5.3 µg/m³
17
Hartford, Connecticut, USA
0.0 km PM2.5: 4.1 µg/m³
54
East Hartford, Connecticut, USA
3.9 km PM2.5: 13.5 µg/m³

Nearby Cities

52 Hartford 42 East Hartford 49 Wethersfield 49 West Hartford 44 South Windsor 47 Glastonbury 47 Bloomfield 49 Newington 45 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:10 UTC.