🌤️ New York, NY 🌤️ Los Angeles, CA 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL Phoenix, AZ 92° 🌤️ Seattle, WA Denver, CO 82° Toronto, ON 70° 🌤️ Vancouver, BC
WeatherLiveWyomingCasperAir Quality

Casper, WY Air Quality

← Casper

Air quality in Casper

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA
51
Moderate
PM2.5
6.8 µg/m³
WHO guideline 15
PM10
12 µg/m³
WHO guideline 45
NO₂ · O₃
0 · 108
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 PM 💨 PM2.5 6.8 µg/m³
51Moderate
2:00 PM 💨 PM2.5 7.2 µg/m³
55Moderate
3:00 PM 💨 PM2.5 6.1 µg/m³
56Moderate
4:00 PM 💨 PM2.5 6 µg/m³
61Moderate
5:00 PM 💨 PM2.5 6 µg/m³
65Moderate
6:00 PM 💨 PM2.5 6 µg/m³
63Moderate
7:00 PM 💨 PM2.5 6 µg/m³
53Moderate
8:00 PM 💨 PM2.5 5.6 µg/m³
47Good
9:00 PM 💨 PM2.5 5.5 µg/m³
43Good
10:00 PM 💨 PM2.5 5.6 µg/m³
37Good
11:00 PM 💨 PM2.5 5.5 µg/m³
32Good
12:00 AM 💨 PM2.5 5.5 µg/m³
27Good

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV Very high
65
Thu 💨 Moderate · UV Very high
63
Fri 💨 Good · UV Very high
48
Sat 💨 Good · UV Very high
45
Sun 💨 Good · UV Very high
30
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:14 PM