What is the air quality in DeKalb today?

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

What is the temperature in DeKalb right now?

The current temperature in DeKalb is 17.5°C (feels like 17.5°C). Humidity is 81.2% and wind speed is 95.0 km/h.

Is it safe to go outside in DeKalb?

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

Air Quality in DeKalb, United States

Windy

17.5°C · 81.2% humidity

17.5°

Feels 17.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 7pm

25 10pm

37 1am

37 4am

12 7am

12 10am

25 1pm

25 4pm

81.2%

Humidity

95.0 km/h

Wind SSW

1015.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for DeKalb?

Temperature & Precipitation

PM2.56.75 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for DeKalb?

04-09

17.2° 9.9°

04-10

17.5° 7.5°

8.94 mm

04-11

10.6° 3.0°

15.44 mm

04-12

17.1° 9.3°

2.5 mm

04-13

24.4° 16.2°

0.38 mm

04-14

23.8° 14.2°

25.69 mm

04-15

13.8° 2.8°

Both models agree Avg diff: 6.5°C

What cities are near DeKalb?

28 Sycamore 29 Wasco 29 St. Charles 29 Geneva 29 Batavia 29 Huntley 28 North Aurora 28 Belvidere 30 South Elgin 28 Montgomery

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:46 UTC.