Air Quality in Casper, United States

Windy
33.9°C · 11.2% humidity
33.9°
Feels 33.9°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
34 5pm
34
34
68 8pm
58
51
47 11pm
43
40
39 2am
37
36
36 5am
35
35
35 8am
34
54
34 11am
34
34
34 2pm
27
27
AD 728×90

Air Quality Index Trend

28h · 1 stn

Casper's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Casper is 1.3× the WHO 24-hour guideline of 15 µg/m³.

11.2%
Humidity
62.9 km/h
Wind W
1008.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
68
20.2 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Casper?

Temperature & Precipitation

PM2.5 Trend

28h · 1 station
PM2.520.2 µg/m³ ×1.3 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
20.2
Median
20.2
Average
20.2
Low
20.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -9.4

What is the 7-day forecast for Casper?

08-03
34.7° 20.8°
0.06 mm
08-04
36.3° 14.0°
08-05
34.3° 17.2°
08-06
36.5° 13.8°
0.25 mm
08-07
34.0° 17.6°
08-08
35.6° 17.9°
08-09
34.5° 17.8°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Casper?

52
Casper Gaseous, Wyoming, USA
6.5 km PM2.5: 12.6 µg/m³
57
Casper Gaseous, Wyoming, USA
6.5 km PM2.5: 15.0 µg/m³

What cities are near Casper?

60 Gillette 21 Laramie 66 Sheridan 61 Cheyenne 42 Fort Collins 54 Rock Springs 60 Rapid City 42 Loveland 42 Greeley 42 Evans
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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 2026-08-08T02:58 UTC.