Air Quality in Columbia, United States

Partly Cloudy
25.0°C · 51.8% humidity
25.0°
Feels 25.0°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 4pm
25
25
39 7pm
37
34
32 10pm
29
30
29 1am
28
26
26 4am
25
27
27 7am
27
27
34 10am
27
27
27 1pm
25
25
AD 728×90

Air Quality Index Trend

46h · 27 stn

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.

51.8%
Humidity
28.2 km/h
Wind NNW
1012.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
39
9.4 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Columbia?

Temperature & Precipitation

PM2.5 Trend

46h · 27 stations
PM2.59.4 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (1 station within 25 km)
9.4
Median
9.4
Average
9.4
Low
9.4
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +0.3

What is the 7-day forecast for Columbia?

08-03
25.0° 19.6°
11.19 mm
08-04
36.9° 21.6°
08-05
32.7° 19.6°
0.31 mm
08-06
30.1° 21.2°
08-07
33.4° 20.5°
3.5 mm
08-08
37.1° 21.6°
1.31 mm
08-09
35.7° 22.9°
0.62 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Columbia?

30
Howard County Near Road, Maryland, USA
10.8 km PM2.5: 7.2 µg/m³
17
Howard County Near Road, Maryland, USA
10.8 km PM2.5: 4.1 µg/m³
42
HU-Beltsville, Maryland, USA
20.9 km PM2.5: 10.1 µg/m³
32
Rockville, Maryland, USA
27.0 km PM2.5: 7.7 µg/m³
31
Rockville, Maryland, USA
27.0 km PM2.5: 7.4 µg/m³
38
Padonia, Maryland, USA
30.4 km PM2.5: 9.1 µg/m³

What cities are near Columbia?

39 Ellicott City 39 Ilchester 49 Catonsville 39 West Elkridge 39 Hanover 39 Elkridge 39 Scaggsville 49 Arbutus 49 Woodlawn 49 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 2026-08-07T23:57 UTC.