Today | Weather | Thursday, July 23, 2026

Weather in Gillette, Wyoming

01:25 AM
Now
Stormy Weather
68° F
Feels Like 63°
Precipitation 57 %
Wind 9 mph
Humidity 88 %
Today
Stormy Weather
Day 84°
Night 64°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 4

Gillette Weather Forecast Updated

Air Quality in Gillette

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.07 µg/m³
PM10 6.59 µg/m³
O3 0.037 ppm
NO2 1 ppb
SO2 0.4 ppb
CO 0.10 ppm
NH3 1.94 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)
PM2.55.07 µg/m³
PM106.59 µg/m³
O372.33 µg/m³
NO21.92 µg/m³
SO21 µg/m³
CO119.22 µg/m³
NH31.94 µg/m³
NO0 µg/m³