What is the air quality in Westminster today?

The current Air Quality Index (AQI) in Westminster is 25 (Good). PM2.5 concentration is 6.05 µg/m³.

What is the temperature in Westminster right now?

The current temperature in Westminster is 20.0°C (feels like 20.0°C). Humidity is 89.6% and wind speed is 29.6 km/h.

Is it safe to go outside in Westminster?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Westminster, United States

Cloudy

20.0°C · 89.6% humidity

20.0°

Feels 20.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 3am

25 6am

27 9am

27 12pm

34 3pm

27 6pm

34 9pm

34 12am

Air Quality Index Trend

42h · 2 stn

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

89.6%

Humidity

29.6 km/h

Wind SSW

1015.1 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.05 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westminster?

Temperature & Precipitation

PM2.5 Trend

42h · 2 stations

PM2.56.05 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Both models agree Avg diff: 5.8°C

What cities are near Westminster?

25 Reisterstown 25 Eldersburg 25 Hanover 26 Owings Mills 26 Randallstown 25 Hunt Valley 9 Milford Mill 25 Cockeysville 26 Pikesville 9 Lochearn

Get AQI alerts for Westminster

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-06-09T10:46 UTC.