Hourly Weather | Today Tuesday, July 21, 2026
Youngstown, Ohio
7 AM
Stormy Weather
68°
Feels Like 64°
51
Humidity: 85%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
70°
Feels Like 70°
40
Humidity: 86%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
70°
Feels Like 72°
34
Humidity: 90%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
72°
Feels Like 73°
39
Humidity: 91%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
73°
Feels Like 77°
49
Humidity: 89%
UV Index: 2
Wind: 8 mph
12 PM
Stormy Weather
73°
Feels Like 72°
61
Humidity: 86%
UV Index: 2
Wind: 9 mph
1 PM
Stormy Weather
75°
Feels Like 79°
52
Humidity: 81%
UV Index: 3
Wind: 12 mph
2 PM
Cloudy Weather
77°
Feels Like 81°
40
Humidity: 76%
UV Index: 3
Wind: 12 mph
3 PM
Cloudy Weather
77°
Feels Like 81°
34
Humidity: 79%
UV Index: 2
Wind: 12 mph
4 PM
Cloudy Weather
75°
Feels Like 79°
39
Humidity: 80%
UV Index: 1
Wind: 10 mph
5 PM
Cloudy Weather
75°
Feels Like 79°
49
Humidity: 83%
UV Index: 1
Wind: 9 mph
6 PM
Stormy Weather
75°
Feels Like 73°
56
Humidity: 83%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Weather
75°
Feels Like 79°
49
Humidity: 85%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
75°
Feels Like 77°
34
Humidity: 85%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
72°
Feels Like 73°
34
Humidity: 90%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
72°
Feels Like 72°
40
Humidity: 92%
UV Index: 0
Wind: 7 mph
11 PM
Stormy Weather
68°
Feels Like 64°
51
Humidity: 98%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.53 µg/m³
  • PM10: 15.84 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.30 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.57 µg/m³
  • PM10: 14.94 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.2 ppb
  • SO2: 1 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.3 µg/m³
  • PM10: 13.67 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.5 ppb
  • SO2: 1.2 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.67 µg/m³
  • PM10: 12.98 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.88 µg/m³
  • PM10: 13.16 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.59 µg/m³
  • PM10: 13.81 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.9 ppb
  • SO2: 1 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.13 µg/m³
  • PM10: 14.28 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.8 µg/m³
  • PM10: 14.91 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.24 µg/m³
  • PM10: 15.33 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.11 µg/m³
  • PM10: 15.17 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.49 µg/m³
  • PM10: 14.54 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.83 µg/m³
  • PM10: 13.87 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.57 µg/m³
  • PM10: 13.62 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.48 µg/m³
  • PM10: 13.53 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.23 µg/m³
  • PM10: 13.29 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.67 µg/m³
  • PM10: 12.73 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 11.84 µg/m³
  • PM10: 11.91 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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