Today | Weather | Thursday, October 30, 2025

Weather in Peoria, Illinois

01:38 PM

Now

54° F

Feels Like 55°

Precipitation 0 %

Wind 8 mph

UV Index (0 - 11+) 3

Humidity 63 %

Today

Day 57°

Night 37°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 3

Peoria Weather Forecast Updated

56 minutes ago

Last updated on October 30, 2025 12:41 PM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

82°

Night

63°

Wind

17 mph

Precipitation

Air Quality in Peoria

NOW

36 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 3.66 µg/m³

PM₁₀ 4.06 µg/m³

O₃ 0.039 ppm

NO₂ 0.7 ppb

SO₂ 0.6 ppb

CO 0.11 ppm

NH₃ 1.07 µg/m³

NO 0.37 µg/m³

PM_2.5 – 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)

PM_2.5 – 3.66 µg/m³

PM₁₀ – 4.06 µg/m³

O₃ – 77.22 µg/m³

NO₂ – 1.28 µg/m³

SO₂ – 1.52 µg/m³

CO – 126.83 µg/m³

NH₃ – 1.07 µg/m³

NO – 0.37 µg/m³

View Hourly Air Quality Forecast