Hourly Weather | Today Wednesday, May 20, 2026
Youngstown, Ohio
7 PM
Stormy Weather
55°
Feels Like 48°
53
Humidity: 69%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
54°
Feels Like 50°
23
Humidity: 75%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
52°
Feels Like 48°
18
Humidity: 74%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
52°
Feels Like 48°
18
Humidity: 74%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
48°
Feels Like 46°
18
Humidity: 77%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.4 µg/m³
  • O3: 0.030 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 1.59 µg/m³
  • O3: 0.031 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.11 µg/m³
  • PM10: 1.33 µg/m³
  • O3: 0.032 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.16 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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