Today | Weather | Monday, September 21, 2026

Weather in Bloomington, Indiana

01:54 PM
Now
Cloudy Weather
64° F
Feels Like 66°
Precipitation 20 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 93 %
Today
Rainy Weather
Day 66°
Night 61°
Precipitation 90 %
Wind 7 mph
UV Index (0 - 11+) 2

Bloomington Weather Forecast Updated

17 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Sunny with a Chance of Thunderstorms

Day

81°

Night

64°

Wind

6 mph

UV Index

40

Precipitation

55 %

Air Quality in Bloomington

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

Pollutant Concentrations:

PM2.5 12.09 µg/m³
PM10 13.08 µg/m³
O3 0.030 ppm
NO2 2.8 ppb
SO2 2.5 ppb
CO 0.16 ppm
NH3 0.45 µg/m³
NO 0.53 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)
PM2.512.09 µg/m³
PM1013.08 µg/m³
O359.47 µg/m³
NO25.2 µg/m³
SO26.52 µg/m³
CO184.48 µg/m³
NH30.45 µg/m³
NO0.53 µg/m³