Air Quality in Fitchburg, United States
Clear
25.0°C · 40.8% humidity
25.0°
Feels 25.0°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Fitchburg's air quality — share it
AQI Forecast
Calibrated
44
10pm
43
45
38
1am
33
35
34
4am
35
35
36
7am
35
36
36
10am
36
36
36
1pm
36
36
36
4pm
36
36
36
7pm
36
37
Station readings
44
43
45
45
CAMS model
adj +12
27
27
34
34
27
27
25
25
25
25
24
25
24
24
24
24
24
24
24
24
24
24
24
25
Air Quality Index Trend
39h · 2 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.
40.8%
Humidity
34.3 km/h
Wind NE
1018.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fitchburg?
Temperature & Precipitation
PM2.5 Trend
39h · 2 stationsPM2.59.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -1.8
What is the 7-day forecast for Fitchburg?
08-03
25.7° 17.7°
11.0 mm
08-04
31.6° 12.7°
1.5 mm
08-05
24.9° 11.4°
1.13 mm
08-06
36.9° 20.1°
08-07
29.6° 15.1°
0.75 mm
08-08
35.1° 16.1°
8.63 mm
08-09
34.6° 22.8°
Both models agree
Avg diff: 4.7°C
Where are air quality stations near Fitchburg?
45
Madison-east, Wisconsin, USA
43
Madison-east, Wisconsin, USA
43
Madison East, Wisconsin, USA
45
Madison East, Wisconsin, USA
45
Madison East, Wisconsin, USA
What cities are near Fitchburg?
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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 2026-08-08T06:40 UTC.