What is the air quality in Thornton today?

The current Air Quality Index (AQI) in Thornton is 27 (Good). PM2.5 concentration is 6.48 µg/m³.

What is the temperature in Thornton right now?

The current temperature in Thornton is 38.5°C (feels like 38.5°C). Humidity is 6.9% and wind speed is 23.6 km/h.

Is it safe to go outside in Thornton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Thornton, United States

Clear

38.5°C · 6.9% humidity

38.5°

Feels 38.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

29 stations

Nearby Monitoring Stations

AQI Forecast

25 2pm

27 5pm

25 8pm

25 11pm

25 2am

27 5am

34 8am

27 11am

Air Quality Index Trend

47h · 2 stn

View full history →

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

6.9%

Humidity

23.6 km/h

Wind E

997.6 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.48 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Thornton?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.56.48 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX6.9

High

Station readings (29 stations within 25 km)

6.48

Median

7.99

Average

4.11

Low

12.14

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

What is the 7-day forecast for Thornton?

06-08

30.7° 17.7°

06-09

38.5° 20.8°

06-10

33.4° 14.5°

06-11

32.5° 15.5°

0.06 mm

06-12

36.3° 18.2°

1.13 mm

06-13

38.2° 16.0°

0.38 mm

06-14

29.3° 20.3°

0.81 mm

Both models agree Avg diff: 5.9°C

Where are air quality stations near Thornton?

Thornton Community Park

0.9 km PM2.5: 5.6 µg/m³

North Mor Elementary School

1.6 km PM2.5: 7.8 µg/m³

North Star

2.3 km PM2.5: 5.9 µg/m³

Rotella Park

3.0 km PM2.5: 7.2 µg/m³

Welby, Colorado, USA

3.8 km PM2.5: 13.5 µg/m³

Northwest Open Space

4.5 km PM2.5: 8.6 µg/m³

Adams County Health Department, Sheriff's Substation

5.2 km PM2.5: 4.0 µg/m³

Adams Birch Street

5.4 km PM2.5: 8.0 µg/m³ PM10: 42.0 µg/m³

Westminster Town Hall

6.5 km PM2.5: 9.8 µg/m³

Anythink Commerce City

6.8 km PM2.5: 7.5 µg/m³

What cities are near Thornton?

32 Northglenn 31 Sherrelwood 36 Commerce City 35 Broomfield 37 Arvada 34 Denver 35 Wheat Ridge 33 Louisville 33 Erie 46 Golden

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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 2026-06-08T23:11 UTC.