Today | Weather | Saturday, November 1, 2025

Weather in Elgin, Illinois

12:03 PM

Now

45° F

Feels Like 41°

Precipitation 5 %

Wind 8 mph

UV Index (0 - 11+) 1

Humidity 73 %

Today

Day 50°

Night 34°

Precipitation 55 %

Wind 7 mph

UV Index (0 - 11+) 1

Elgin Weather Forecast Updated

5 minutes ago

Last updated on November 01, 2025 11:58 AM

Weather Forecast History

Last Year's Weather on This Day (November 1, 2024)

Day

52°

Night

34°

Wind

4 mph

Precipitation

Air Quality in Elgin

NOW

27 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.78 µg/m³

PM₁₀ 1.03 µg/m³

O₃ 0.029 ppm

NO₂ 1.4 ppb

SO₂ 0.5 ppb

CO 0.11 ppm

NH₃ 0.8 µg/m³

NO 0.67 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 – 0.78 µg/m³

PM₁₀ – 1.03 µg/m³

O₃ – 57.24 µg/m³

NO₂ – 2.61 µg/m³

SO₂ – 1.22 µg/m³

CO – 129.97 µg/m³

NH₃ – 0.8 µg/m³

NO – 0.67 µg/m³

View Hourly Air Quality Forecast