What is the air quality in Fitchburg today?

The current Air Quality Index (AQI) in Fitchburg is 25 (Good). PM2.5 concentration is 5.98 µg/m³.

What is the temperature in Fitchburg right now?

The current temperature in Fitchburg is 9.5°C (feels like 5.2°C). Humidity is 67.0% and wind speed is 43.1 km/h.

Is it safe to go outside in Fitchburg?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Fitchburg, United States

Windy

9.5°C · 67.0% humidity

9.5°

Feels 5.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

20 2pm

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Station readings

Air Quality Index Trend

31h · 2 stn

View full history →

Fitchburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

67.0%

Humidity

43.1 km/h

Wind ESE

1024.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.98 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Fitchburg?

Temperature & Precipitation

PM2.5 Trend

31h · 2 stations

PM2.55.98 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

5.98

Median

6.07

Average

5.5

Low

6.5

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +7.5

Both models agree Avg diff: 5.6°C

Where are air quality stations near Fitchburg?

Madison-east, Wisconsin, USA

12.9 km PM2.5: 6.2 µg/m³

Madison-east, Wisconsin, USA

12.9 km PM2.5: 9.6 µg/m³

Madison-east, Wisconsin, USA

12.9 km PM2.5: 7.2 µg/m³

Madison-east, Wisconsin, USA

12.9 km PM2.5: 12.0 µg/m³

Madison-east, Wisconsin, USA

12.9 km PM2.5: 5.5 µg/m³

Madison East, Wisconsin, USA

18.1 km PM2.5: 11.0 µg/m³

Madison East, Wisconsin, USA

18.1 km PM2.5: 10.6 µg/m³

Madison East, Wisconsin, USA

18.1 km PM2.5: 9.4 µg/m³

Madison East, Wisconsin, USA

18.1 km PM2.5: 7.7 µg/m³

Madison East, Wisconsin, USA

18.1 km PM2.5: 6.5 µg/m³

What cities are near Fitchburg?

25 Middleton 26 Sun Prairie 28 Janesville 28 Beloit 37 Freeport 43 Beaver Dam 23 Machesney Park 23 Loves Park 42 Oconomowoc 23 Rockford

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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 2026-10-20T22:43 UTC.