What is the air quality in Cheyenne today?

The current Air Quality Index (AQI) in Cheyenne is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Cheyenne right now?

The current temperature in Cheyenne is 34.0°C (feels like 34.0°C). Humidity is 9.4% and wind speed is 143.4 km/h.

Is it safe to go outside in Cheyenne?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Cheyenne, United States

Windy

34.0°C · 9.4% humidity

34.0°

Feels 34.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 3pm

38 6pm

29 9pm

26 12am

25 3am

25 6am

27 9am

25 12pm

Air Quality Index Trend

25h · 1 stn

View full history →

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

9.4%

Humidity

143.4 km/h

Wind W

999.0 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Cheyenne?

Temperature & Precipitation

PM2.5 Trend

25h · 1 station

PM2.59.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (1 station within 25 km)

9.1

Median

9.1

Average

9.1

Low

9.1

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -3.2

What is the 7-day forecast for Cheyenne?

06-09

34.0° 17.9°

06-10

27.8° 12.7°

06-11

27.8° 13.8°

0.13 mm

06-12

29.5° 12.4°

0.5 mm

06-13

33.1° 11.7°

0.13 mm

06-14

23.7° 17.7°

06-15

25.2° 9.7°

0.31 mm

Both models agree Avg diff: 4.9°C

Where are air quality stations near Cheyenne?

Cheyenne NCore, Wyoming, USA

5.9 km PM2.5: 11.3 µg/m³

Cheyenne NCore, Wyoming, USA

5.9 km PM2.5: 7.2 µg/m³

What cities are near Cheyenne?

30 Fort Collins 32 Laramie 33 Greeley 31 Loveland 29 Evans 34 Longmont 30 Erie 13 Boulder 30 Louisville 32 Broomfield

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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 2026-06-09T00:39 UTC.