Hourly Weather | Today Wednesday, May 20, 2026
Hamilton, Ohio
7 PM
Stormy Weather
63°
Feels Like 57°
78
Humidity: 83%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
63°
Feels Like 61°
49
Humidity: 85%
UV Index: 0
Wind: 8 mph
9 PM
Stormy Weather
61°
Feels Like 55°
54
Humidity: 85%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
59°
Feels Like 57°
49
Humidity: 86%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
59°
Feels Like 55°
49
Humidity: 84%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 5.06 µg/m³
  • O3: 0.017 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.5 µg/m³
  • PM10: 4.64 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.32 µg/m³
  • PM10: 4.47 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.11 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.018 ppm
  • NO2: 4 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.