What is the air quality in Columbia today?

The current Air Quality Index (AQI) in Columbia is 15 (Good). PM2.5 concentration is 3.5 µg/m³.

What is the temperature in Columbia right now?

The current temperature in Columbia is 19.6°C (feels like 19.6°C). Humidity is 55.5% and wind speed is 25.9 km/h.

Is it safe to go outside in Columbia?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Columbia, United States

Drizzle

19.6°C · 55.5% humidity

19.6°

Feels 19.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

27 2pm

15 5pm

23 8pm

24 11pm

24 2am

24 5am

24 8am

24 11am

Air Quality Index Trend

47h · 2 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.

55.5%

Humidity

25.9 km/h

Wind WNW

1019.8 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.5 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Columbia?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.53.5 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX5.9

High

Station readings (2 stations within 25 km)

3.5

Median

3.5

Average

2.2

Low

4.8

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +2.5

What is the 7-day forecast for Columbia?

05-28

24.8° 21.1°

0.56 mm

05-29

23.2° 10.1°

2.25 mm

05-30

23.9° 16.0°

12.62 mm

05-31

28.5° 9.3°

06-01

29.3° 13.5°

2.94 mm

06-02

23.9° 12.4°

06-03

24.5° 19.2°

8.19 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Columbia?

Howard County Near Road, Maryland, USA

10.8 km PM2.5: 10.6 µg/m³

Howard County Near Road, Maryland, USA

10.8 km PM2.5: 6.2 µg/m³

HU-Beltsville, Maryland, USA

20.9 km PM2.5: 10.1 µg/m³

Padonia, Maryland, USA

30.4 km PM2.5: 2.2 µg/m³

What cities are near Columbia?

15 Ellicott City 15 Ilchester 15 Catonsville 15 West Elkridge 15 Hanover 15 Elkridge 15 Scaggsville 15 Arbutus 15 Woodlawn 15 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 2026-05-28T21:47 UTC.