What is the air quality in Belvidere today?

The current Air Quality Index (AQI) in Belvidere is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Belvidere right now?

The current temperature in Belvidere is 26.3°C (feels like 26.3°C). Humidity is 36.2% and wind speed is 43.8 km/h.

Is it safe to go outside in Belvidere?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Belvidere, United States

Windy

26.3°C · 36.2% humidity

26.3°

Feels 26.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

54 9pm

30 12am

27 3am

27 6am

24 9am

24 12pm

24 3pm

24 6pm

Air Quality Index Trend

35h · 3 stn

View full history →

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

36.2%

Humidity

43.8 km/h

Wind NE

1018.4 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Belvidere?

Temperature & Precipitation

PM2.5 Trend

35h · 3 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX5.9

High

Station readings (1 station within 25 km)

7.2

Median

7.2

Average

7.2

Low

7.2

High

PM2.5 µg/m³ · Model: 10.85 · Bias: +3.7

What is the 7-day forecast for Belvidere?

08-03

26.3° 18.2°

5.81 mm

08-04

34.1° 14.3°

08-05

27.9° 13.2°

1.5 mm

08-06

36.4° 20.6°

08-07

30.1° 15.8°

0.62 mm

08-08

31.2° 15.1°

5.25 mm

08-09

32.8° 23.3°

Both models agree Avg diff: 4.3°C

Where are air quality stations near Belvidere?

Rockford, Illinois, USA

20.2 km PM2.5: 10.8 µg/m³

Rockford, Illinois, USA

20.2 km PM2.5: 8.6 µg/m³

What cities are near Belvidere?

30 Machesney Park 30 Loves Park 30 Rockford 23 Beloit 26 Sycamore 41 Huntley 26 DeKalb 41 Lake in the Hills 41 Crystal Lake 41 Algonquin

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-08-08T05:45 UTC.