Today | Weather | Sunday, October 26, 2025
Active Weather Warnings

Weather in Casper, Wyoming

05:22 AM
Now
Cloudy Weather
55° F
Feels Like 48°
Precipitation 7 %
Wind 14 mph
Humidity 43 %
Today
Rainy Weather
Day 64°
Night 41°
Precipitation 55 %
Wind 24 mph
UV Index (0 - 11+) 1

Warning: Strong Winds Today: 24 mph

Casper Weather Forecast Updated

Air Quality in Casper

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.67 µg/m³
PM10 2.52 µg/m³
O3 0.043 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.07 ppm
NH3 0.26 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.51.67 µg/m³
PM102.52 µg/m³
O385.21 µg/m³
NO20.44 µg/m³
SO20.3 µg/m³
CO83.91 µg/m³
NH30.26 µg/m³
NO0 µg/m³