What is the air quality in Thornton today?

The current Air Quality Index (AQI) in Thornton is 29 (Good). PM2.5 concentration is 6.9 µg/m³.

What is the temperature in Thornton right now?

The current temperature in Thornton is 16.0°C (feels like 16.0°C). Humidity is 41.4% and wind speed is 33.9 km/h.

Is it safe to go outside in Thornton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Thornton, United States

Clear

16.0°C · 41.4% humidity

16.0°

Feels 16.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

28 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

26 3pm

171

500 6pm

155

155 9pm

155

168

168 12am

168

180

193 3am

218

193

193 6am

193

193 9am

193

193 12pm

193

Station readings

171

500

CAMS model adj +143

PM2.5 Trend (24h)

27h · 1 station

41.4%

Humidity

33.9 km/h

Wind ESE

1007.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Thornton?

Temperature & Precipitation

PM2.56.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (28 stations within 25 km)

6.9

Median

7.19

Average

4.3

Low

10.37

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.0

What is the 7-day forecast for Thornton?

04-09

20.8° 7.8°

1.0 mm

04-10

17.8° 10.7°

4.81 mm

04-11

17.2° 8.0°

4.25 mm

04-12

19.3° 7.8°

0.75 mm

04-13

16.5° 5.8°

0.06 mm

04-14

12.0° 2.3°

8.06 mm

04-15

12.4° 4.4°

0.25 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Thornton?

Thornton Community Park

0.9 km PM2.5: 5.7 µg/m³

North Mor Elementary School

1.6 km PM2.5: 6.6 µg/m³

North Star

2.3 km PM2.5: 5.5 µg/m³

Rotella Park

3.0 km PM2.5: 6.9 µg/m³

Welby, Colorado, USA

3.8 km

Northwest Open Space

4.5 km PM2.5: 7.2 µg/m³

165

Recreation Center, Senior Center, and Theatre

4.9 km PM2.5: 82.9 µg/m³

Adams County Health Department, Sheriff's Substation

5.2 km PM2.5: 4.3 µg/m³

Adams Birch Street

5.4 km PM2.5: 9.0 µg/m³ PM10: 63.0 µg/m³

Anythink Commerce City

6.8 km PM2.5: 6.6 µg/m³

What cities are near Thornton?

29 Northglenn 29 Sherrelwood 29 Commerce City 29 Broomfield 30 Arvada 29 Denver 30 Wheat Ridge 27 Louisville 25 Erie 30 Golden

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:34 UTC.