What is the air quality in Belvidere today?

The current Air Quality Index (AQI) in Belvidere is 28 (Good). PM2.5 concentration is 6.75 µg/m³.

What is the temperature in Belvidere right now?

The current temperature in Belvidere is 7.6°C (feels like 0.9°C). Humidity is 60.0% and wind speed is 81.0 km/h.

Is it safe to go outside in Belvidere?

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

Air Quality in Belvidere, United States

Windy

7.6°C · 60.0% humidity

7.6°

Feels 0.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

39h · 2 stn

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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.

60.0%

Humidity

81.0 km/h

Wind NE

1028.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.75 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Belvidere?

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations

PM2.56.75 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Both models agree Avg diff: 5.2°C

What cities are near Belvidere?

28 Machesney Park 28 Loves Park 17 Rockford 28 Beloit 30 Sycamore 29 Huntley 31 DeKalb 29 Lake in the Hills 29 Crystal Lake 29 Algonquin

Get AQI alerts for Belvidere

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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 2026-10-20T20:57 UTC.