What is the air quality in Belvidere today?

The current Air Quality Index (AQI) in Belvidere is 21 (Good). PM2.5 concentration is 5.0 µg/m³.

What is the temperature in Belvidere right now?

The current temperature in Belvidere is 17.3°C (feels like 17.3°C). Humidity is 87.1% and wind speed is 109.3 km/h.

Is it safe to go outside in Belvidere?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Belvidere, United States

Windy

17.3°C · 87.1% humidity

17.3°

Feels 17.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

37 5pm

37 8pm

25 11pm

37 2am

25 5am

12 8am

25 11am

25 2pm

87.1%

Humidity

109.3 km/h

Wind SW

1016.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Belvidere?

Temperature & Precipitation

PM2.55.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Belvidere?

04-09

17.3° 10.6°

04-10

17.8° 6.4°

4.88 mm

04-11

12.6° 2.5°

11.62 mm

04-12

16.5° 9.7°

4.31 mm

04-13

24.3° 15.7°

0.88 mm

04-14

23.8° 12.9°

59.31 mm

04-15

13.9° 2.5°

Both models agree Avg diff: 6.4°C

What cities are near Belvidere?

21 Machesney Park 21 Loves Park 21 Rockford 21 Beloit 21 Sycamore 21 Huntley 21 DeKalb 21 Lake in the Hills 21 Crystal Lake 21 Algonquin

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:52 UTC.