Today | Weather | Monday, July 20, 2026

Weather in Hamilton, Ohio

09:56 PM
Now
Cloudy Night
77° F
Feels Like 82°
Precipitation 6 %
Wind 4 mph
Humidity 82 %
Today
Stormy Weather
Day 88°
Night 70°
Precipitation 55 %
Wind 5 mph

Hamilton Weather Forecast Updated

25 minutes ago
Last updated on

Air Quality in Hamilton

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

Pollutant Concentrations:

PM2.5 10.38 µg/m³
PM10 10.64 µg/m³
O3 0.040 ppm
NO2 1.9 ppb
SO2 0.6 ppb
CO 0.13 ppm
NH3 0.67 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)
PM2.510.38 µg/m³
PM1010.64 µg/m³
O377.74 µg/m³
NO23.56 µg/m³
SO21.55 µg/m³
CO143.44 µg/m³
NH30.67 µg/m³
NO0 µg/m³