Air Quality in Thornton, United States

Clear
16.0°C · 41.4% humidity
16.0°
Feels 16.0°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
171 5pm
170
100
100 8pm
100
100
113 11pm
113
113
125 2am
138
163
138 5am
138
138
138 8am
138
138
138 11am
138
138
138 2pm
138
138
Station readings
171
170
CAMS model adj +88
12
12
12
12
12
12
25
25
25
37
50
75
50
50
50
50
50
50
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

25h · 38 stations
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

PM2.56.52 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (27 stations within 25 km)
6.52
Median
6.98
Average
4.29
Low
10.48
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

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: 3.9°C

Where are air quality stations near Thornton?

23
Thornton Community Park
0.9 km PM2.5: 5.4 µg/m³
25
North Mor Elementary School
1.6 km PM2.5: 6.1 µg/m³
21
North Star
2.3 km PM2.5: 5.1 µg/m³
25
Rotella Park
3.0 km PM2.5: 6.1 µg/m³
30
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
18
Adams County Health Department, Sheriff's Substation
5.2 km PM2.5: 4.3 µg/m³
21
Adams Birch Street
5.4 km PM2.5: 5.0 µg/m³ PM10: 47.0 µg/m³
23
Anythink Commerce City
6.8 km PM2.5: 5.5 µg/m³
24
Eagle Pointe Recreation Center
7.8 km PM2.5: 5.8 µg/m³

What cities are near Thornton?

27 Northglenn 28 Sherrelwood 27 Commerce City 28 Broomfield 28 Arvada 27 Denver 28 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 2026-04-09T20:19 UTC.