Air Quality in Fitchburg, United States
Rain
14.7°C · 91.6% humidity
14.7°
Feels 14.7°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Fitchburg's air quality — share it
AQI Forecast
34
6pm
27
27
36
9pm
33
30
28
12am
27
26
25
3am
25
25
25
6am
24
24
24
9am
24
24
24
12pm
24
24
25
3pm
25
25
Air Quality Index Trend
41h · 1 stnFitchburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
91.6%
Humidity
49.9 km/h
Wind NE
1014.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.68 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fitchburg?
Temperature & Precipitation
PM2.5 Trend
41h · 1 stationPM2.58.68 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Fitchburg?
07-22
21.8° 13.5°
15.62 mm
07-23
25.5° 16.2°
2.25 mm
07-24
27.4° 14.2°
2.56 mm
07-25
29.9° 19.6°
6.37 mm
07-26
22.5° 15.7°
3.31 mm
07-27
28.3° 14.1°
0.69 mm
07-28
34.2° 20.8°
Both models agree
Avg diff: 3.1°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T01:41 UTC.