What is the air quality in Chillum today?

The current Air Quality Index (AQI) in Chillum is 18 (Good). PM2.5 concentration is 4.15 µg/m³.

What is the temperature in Chillum right now?

The current temperature in Chillum is 10.2°C (feels like 10.2°C). Humidity is 79.7% and wind speed is 35.6 km/h.

Is it safe to go outside in Chillum?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Chillum, United States

Drizzle

10.2°C · 79.7% humidity

10.2°

Feels 10.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

25 8am

18 11am

22 2pm

23 5pm

27 8pm

27 11pm

25 2am

25 5am

Air Quality Index Trend

44h · 4 stn

View full history →

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

79.7%

Humidity

35.6 km/h

Wind NNE

1021.7 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.15 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chillum?

Temperature & Precipitation

PM2.5 Trend

44h · 4 stations

PM2.54.15 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (3 stations within 25 km)

4.15

Median

3.47

Average

1.2

Low

5.8

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +1.8

What is the 7-day forecast for Chillum?

05-29

26.0° 10.2°

8.87 mm

05-30

24.2° 14.8°

9.5 mm

05-31

30.9° 11.5°

06-01

30.6° 14.8°

4.69 mm

06-02

25.9° 15.6°

06-03

25.9° 17.8°

6.56 mm

06-04

23.7° 20.1°

0.31 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Chillum?

Aurora Hills Visitor Center, Northern Virginia, USA

13.2 km PM2.5: 4.6 µg/m³

NASA GSFC 1

13.4 km PM2.5: 3.4 µg/m³

HU-Beltsville, Maryland, USA

14.1 km PM2.5: 11.0 µg/m³

Lee District Park - Fairfax County, Northern Virginia, USA

23.4 km PM2.5: 3.8 µg/m³

Howard County Near Road, Maryland, USA

23.5 km PM2.5: 14.5 µg/m³

Howard County Near Road, Maryland, USA

23.5 km PM2.5: 4.1 µg/m³

What cities are near Chillum?

17 Takoma Park 18 Kennedy Street 18 Langley Park 18 Brightwood 19 Petworth 16 Hyattsville 20 Silver Spring 20 Park View 20 Central 14th Street / Spring Road 17 Adelphi

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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 2026-05-29T15:00 UTC.