What is the air quality in Belvidere today?

The current Air Quality Index (AQI) in Belvidere is 28 (Good). PM2.5 concentration is 6.7 µg/m³.

What is the temperature in Belvidere right now?

The current temperature in Belvidere is 19.1°C (feels like 19.1°C). Humidity is 62.0% and wind speed is 50.9 km/h.

Is it safe to go outside in Belvidere?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Belvidere, United States

Windy

19.1°C · 62.0% humidity

19.1°

Feels 19.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 6pm

28 9pm

24 12am

24 3am

24 6am

24 9am

24 12pm

24 3pm

Air Quality Index Trend

38h · 2 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.

62.0%

Humidity

50.9 km/h

Wind NW

1010.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.7 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Belvidere?

Temperature & Precipitation

PM2.5 Trend

38h · 2 stations

PM2.56.7 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

6.7

Median

6.7

Average

6.7

Low

6.7

High

PM2.5 µg/m³ · Model: 6.15 · Bias: -0.6

What is the 7-day forecast for Belvidere?

06-09

30.6° 11.9°

0.13 mm

06-10

23.1° 19.4°

18.31 mm

06-11

24.9° 13.8°

1.44 mm

06-12

27.3° 19.4°

0.94 mm

06-13

26.9° 21.7°

5.38 mm

06-14

31.4° 14.8°

0.13 mm

06-15

32.3° 24.4°

1.19 mm

Both models agree Avg diff: 6.3°C

Where are air quality stations near Belvidere?

Rockford, Illinois, USA

20.2 km PM2.5: 4.1 µg/m³

What cities are near Belvidere?

28 Machesney Park 28 Loves Park 28 Rockford 33 Beloit 38 Sycamore 38 Huntley 38 DeKalb 38 Lake in the Hills 38 Crystal Lake 38 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 2026-06-09T02:21 UTC.