Today | Weather | Wednesday, February 25, 2026

Weather in Gary, Indiana

10:19 PM
Now
Cloudy Night
28° F
Feels Like 23°
Precipitation 7 %
Wind 7 mph
Humidity 71 %
Today
Cloudy Night
Day 41°
Night 25°
Precipitation 25 %
Wind 5 mph
Overnight Frost 3 AM – 8 AM
Tomorrow Morning Frost 3 AM – 7 AM

Gary Weather Forecast Updated

Last updated on

Air Quality in Gary

NOW
23 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.23 µg/m³
PM10 5.38 µg/m³
O3 0.025 ppm
NO2 8.7 ppb
SO2 0.2 ppb
CO 0.23 ppm
NH3 1.07 µg/m³
NO 0 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)
PM2.54.23 µg/m³
PM105.38 µg/m³
O349.01 µg/m³
NO216.43 µg/m³
SO20.46 µg/m³
CO263.21 µg/m³
NH31.07 µg/m³
NO0 µg/m³