Today | Weather | Monday, September 14, 2026

Weather in Peoria, Illinois

10:17 AM
Now
Cloudy Weather
64° F
Feels Like 64°
Precipitation 0 %
Wind 14 mph
UV Index (0 - 11+) 3
Humidity 72 %
Today
Cloudy Weather
Day 79°
Night 70°
Precipitation 3 %
Wind 14 mph
UV Index (0 - 11+) 5

Peoria Weather Forecast Updated

23 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 14, 2025)
Sunny Weather

Day

93°

Night

66°

Wind

5 mph

UV Index

50

Precipitation

6 %

Air Quality in Peoria

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.02 µg/m³
PM10 3.37 µg/m³
O3 0.027 ppm
NO2 2.3 ppb
SO2 0.7 ppb
CO 0.15 ppm
NH3 1.1 µg/m³
NO 0.5 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)
PM2.53.02 µg/m³
PM103.37 µg/m³
O353.58 µg/m³
NO24.36 µg/m³
SO21.96 µg/m³
CO166.81 µg/m³
NH31.1 µg/m³
NO0.5 µg/m³