Air Quality in Hartford, United States
Partly Cloudy
14.9°C · 64.3% humidity
14.9°
Feels 14.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Hartford's air quality — share it
AQI Forecast
25
4pm
25
25
18
7pm
20
23
24
10pm
25
26
26
1am
26
27
34
4am
34
34
34
7am
27
25
25
10am
25
27
27
1pm
27
27
Air Quality Index Trend
47h · 3 stnHartford's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
64.3%
Humidity
28.2 km/h
Wind WSW
999.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.36 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hartford?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.54.36 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
4.36
Median
5.67
Average
4.1
Low
8.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.6
What is the 7-day forecast for Hartford?
06-08
30.6° 10.9°
4.19 mm
06-09
35.2° 12.5°
0.06 mm
06-10
21.3° 15.6°
2.19 mm
06-11
26.8° 9.8°
06-12
21.2° 17.1°
8.19 mm
06-13
28.6° 16.0°
0.94 mm
06-14
22.5° 13.9°
12.75 mm
Both models agree
Avg diff: 5.7°C
Where are air quality stations near Hartford?
21
Hartford, Connecticut, USA
49
Hartford, Connecticut, USA
13
Hartford, Connecticut, USA
16
East Hartford, Connecticut, USA
What cities are near Hartford?
Get AQI alerts for Hartford
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:21 UTC.