Air Quality in Fitchburg, United States
Cloudy
11.6°C · 78.8% humidity
11.6°
Feels 11.6°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Fitchburg's air quality — share it
AQI Forecast
Calibrated
43
10pm
43
43
32
1am
35
37
39
4am
40
42
43
7am
43
43
42
10am
43
43
43
1pm
43
43
43
4pm
43
43
43
7pm
43
43
Station readings
32
CAMS model
adj +19
24
24
24
24
24
24
24
24
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
6h · 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.
78.8%
Humidity
39.7 km/h
Wind WNW
1012.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.59 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fitchburg?
Temperature & Precipitation
PM2.5 Trend
6h · 2 stationsPM2.57.59 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
7.59
Median
6.85
Average
4.6
Low
9.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -1.7
What is the 7-day forecast for Fitchburg?
06-09
28.6° 11.6°
1.5 mm
06-10
20.6° 15.4°
19.88 mm
06-11
24.1° 13.8°
0.88 mm
06-12
24.1° 17.3°
06-13
27.2° 20.3°
8.69 mm
06-14
29.9° 14.3°
0.06 mm
06-15
29.8° 24.4°
5.06 mm
Both models agree
Avg diff: 6.9°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 2026-06-09T06:50 UTC.