Today | Weather | Wednesday, January 14, 2026

Weather in Champaign, Illinois

11:50 PM
Now
Snowy Weather
25° F
Feels Like 10°
Precipitation 45 %
Wind 13 mph
Humidity 68 %
Today
Cloudy Weather
Day 27°
Night 23°
Precipitation 6 %
Wind 9 mph
UV Index (0 - 11+) 2

Champaign Weather Forecast Updated

49 minutes ago
Last updated on

Air Quality in Champaign

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.82 µg/m³
PM10 1.11 µg/m³
O3 0.040 ppm
NO2 1.8 ppb
SO2 1.1 ppb
CO 0.13 ppm
NH3 0.46 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)
PM2.50.82 µg/m³
PM101.11 µg/m³
O377.61 µg/m³
NO23.3 µg/m³
SO22.93 µg/m³
CO149.67 µg/m³
NH30.46 µg/m³
NO0 µg/m³