Today | Weather | Tuesday, September 1, 2026
Active Weather Warnings

Weather in Bloomington, Illinois

10:24 AM
Now
Cloudy Weather
82° F
Feels Like 90°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Humidity 68 %
Today
Hot Day
Day 97°
Night 72°
Precipitation 1 %
Wind 9 mph
UV Index (0 - 11+) 7

Bloomington Weather Forecast Updated

18 minutes ago
Last updated on

Air Quality in Bloomington

NOW
44 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.65 µg/m³
PM10 11.33 µg/m³
O3 0.031 ppm
NO2 2 ppb
SO2 0.8 ppb
CO 0.12 ppm
NH3 1.28 µg/m³
NO 0.91 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)
PM2.510.65 µg/m³
PM1011.33 µg/m³
O361.36 µg/m³
NO23.75 µg/m³
SO22.09 µg/m³
CO141.67 µg/m³
NH31.28 µg/m³
NO0.91 µg/m³

Weather Alerts and Warnings for Bloomington

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 1 at 2:48AM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL
Sep 1, 1:00 PM Sep 3, 7:00 PM
WHAT: Afternoon Heat index values up to 105 expected, only falling
into the mid to upper 70s at night.

WHERE: Marshall, McLean, Woodford, Champaign, Edgar, and Vermilion
Counties.

WHEN: From 1 PM this afternoon to 7 PM CDT Thursday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
+ Read More
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Sep 1, 10:06 AM Source: NWS Alert