Today | Weather | Wednesday, September 9, 2026

Weather in Peoria, Illinois

07:34 PM
Now
Cloudy Night
75° F
Feels Like 79°
Precipitation 20 %
Wind 5 mph
Humidity 86 %
Today
Stormy Weather
Day 79°
Night 70°
Precipitation 100 %
Wind 7 mph
UV Index (0 - 11+) 3

Peoria Weather Forecast Updated

38 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 9, 2025)
Cloudy Night

Day

79°

Night

54°

Wind

5 mph

Precipitation

3 %

Air Quality in Peoria

NOW
30 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 7.29 µg/m³
PM10 7.68 µg/m³
O3 0.031 ppm
NO2 3.2 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 2.44 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)
PM2.57.29 µg/m³
PM107.68 µg/m³
O360.6 µg/m³
NO26.11 µg/m³
SO20.68 µg/m³
CO149.45 µg/m³
NH32.44 µg/m³
NO0 µg/m³