Today | Weather | Monday, September 22, 2025

Weather in Elgin, Illinois

04:41 AM

Now

63° F

Feels Like 63°

Precipitation 34 %

Wind 6 mph

Humidity 99 %

Today

Day 81°

Night 61°

Precipitation 25 %

Wind 11

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Elgin Weather Forecast Updated

48 minutes ago

Last updated on September 22, 2025 3:53 AM

Air quality in Elgin

NOW

58 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 19.19 µg/m³

PM10 19.62 µg/m³

O₃ 19.47 ppb

NO₂ 14.71 ppb

SO₂ 1.53 ppb

CO 266.55 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast