Today | Weather | Tuesday, November 3, 2026

Weather in Champaign, Illinois

01:38 AM
Now
Cloudy Weather
63° F
Feels Like 55°
Precipitation 34 %
Wind 15 mph
Humidity 89 %
Today
Cloudy Weather
Day 73°
Night 59°
Precipitation 25 %
Wind 20 mph
UV Index (0 - 11+) 1

Champaign Weather Forecast Updated

41 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 3, 2025)
Cloudy Night

Day

64°

Night

30°

Wind

4 mph

Precipitation

0 %

Air Quality in Champaign

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.71 µg/m³
PM10 7.99 µg/m³
O3 0.039 ppm
NO2 1.1 ppb
SO2 0.5 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)
PM2.5 – 5.71 µg/m³
PM10 – 7.99 µg/m³
O3 – 75.63 µg/m³
NO2 – 2.02 µg/m³
SO2 – 1.2 µg/m³
CO – 145.88 µg/m³
NH3 – 0.46 µg/m³
NO – 0 µg/m³