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Active Weather Warnings

Dense Fog Advisory

Weather in Bloomington, Illinois

12:51 AM

Now

43° F

Feels Like 39°

Precipitation 0 %

Wind 6 mph

Humidity 92 %

Today

Day 57°

Night 39°

Precipitation 10 %

Wind 14 mph

UV Index (0 - 11+) 2

Bloomington Weather Forecast Updated

57 minutes ago

Last updated on December 25, 2025 at 11:54 PM

Air Quality in Bloomington

NOW

31 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 7.38 µg/m³

PM₁₀ 8.83 µg/m³

O₃ 0.026 ppm

NO₂ 3.2 ppb

SO₂ 0.5 ppb

CO 0.15 ppm

NH₃ 0.07 µg/m³

NO 0 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 – 7.38 µg/m³

PM₁₀ – 8.83 µg/m³

O₃ – 50.87 µg/m³

NO₂ – 6.11 µg/m³

SO₂ – 1.23 µg/m³

CO – 176.61 µg/m³

NH₃ – 0.07 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Bloomington

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued December 25 at 11:18PM CST until December 26 at 4:00AM CST by NWS Lincoln IL

Dec 25, 11:18 PM → Dec 26, 4:00 AM

WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Portions of central, east central, southeast, and west
central Illinois.

WHEN: Until 4 AM CST Friday.

IMPACTS: Low visibility could make driving conditions hazardous.

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If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Updated: Dec 25, 11:54 PM Source: NWS Alert