What is the air quality in Columbia today?

The current Air Quality Index (AQI) in Columbia is 18 (Good). PM2.5 concentration is 4.16 µg/m³.

What is the temperature in Columbia right now?

The current temperature in Columbia is 16.4°C (feels like 16.4°C). Humidity is 42.4% and wind speed is 24.8 km/h.

Is it safe to go outside in Columbia?

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

Air Quality in Columbia, United States

Clear

16.4°C · 42.4% humidity

16.4°

Feels 16.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

44h · 22 stn

View full history →

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

42.4%

Humidity

24.8 km/h

Wind E

1021.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.16 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Columbia?

Temperature & Precipitation

PM2.5 Trend

44h · 22 stations

PM2.54.16 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

4.16

Median

5.2

Average

3.4

Low

7.0

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +2.3

What is the 7-day forecast for Columbia?

10-20

16.4° 5.0°

5.0 mm

10-21

23.4° 6.1°

0.06 mm

10-22

20.1° 9.1°

0.13 mm

10-23

13.3° 4.0°

0.13 mm

10-24

16.0° 7.7°

10-25

18.8° 5.7°

0.19 mm

10-26

14.8° 11.2°

6.88 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Columbia?

Howard County Near Road, Maryland, USA

10.8 km PM2.5: 1.2 µg/m³

HU-Beltsville, Maryland, USA

20.9 km PM2.5: 9.1 µg/m³

Rockville, Maryland, USA

27.0 km PM2.5: 8.6 µg/m³

Padonia, Maryland, USA

30.4 km PM2.5: 9.1 µg/m³

Padonia, Maryland, USA

30.4 km PM2.5: 8.6 µg/m³

What cities are near Columbia?

18 Ellicott City 18 Ilchester 24 Catonsville 18 West Elkridge 18 Hanover 18 Elkridge 18 Scaggsville 24 Arbutus 28 Woodlawn 28 Milford Mill

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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 2026-10-20T20:05 UTC.