Today | Weather | Tuesday, January 13, 2026

Weather in Hamilton, Ohio

05:02 PM
Now
Cloudy Weather
50° F
Feels Like 45°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 0
Humidity 52 %
Today
Cloudy Weather
Day 52°
Night 41°
Precipitation 3 %
Wind 8 mph
UV Index (0 - 11+) 2

Hamilton Weather Forecast Updated

17 minutes ago
Last updated on

Air Quality in Hamilton

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.98 µg/m³
PM10 7.19 µg/m³
O3 0.041 ppm
NO2 2.9 ppb
SO2 1.8 ppb
CO 0.14 ppm
NH3 0.66 µg/m³
NO 0.09 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)
PM2.55.98 µg/m³
PM107.19 µg/m³
O380.43 µg/m³
NO25.51 µg/m³
SO24.68 µg/m³
CO159.08 µg/m³
NH30.66 µg/m³
NO0.09 µg/m³