Hourly Weather | Today Wednesday, March 18, 2026
Youngstown, Ohio
5 AM
Cloudy Weather
19°
Feels Like 16°
0
Frost Risk: 94%
Humidity: 64%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
18°
Feels Like 16°
0
Frost Risk: 100%
Humidity: 69%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
19°
Feels Like 16°
0
Frost Risk: 96%
Humidity: 64%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
19°
Feels Like 16°
0
Frost Risk: 98%
Humidity: 72%
UV Index: 0
Wind: 6 mph
9 AM
Cloudy Weather
21°
Feels Like 18°
0
Frost Risk: 68%
Humidity: 62%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
25°
Feels Like 19°
0
Humidity: 54%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
27°
Feels Like 21°
0
Humidity: 49%
UV Index: 2
Wind: 9 mph
12 PM
Cloudy Weather
30°
Feels Like 25°
0
Humidity: 44%
UV Index: 2
Wind: 9 mph
1 PM
Cloudy Weather
32°
Feels Like 27°
0
Humidity: 41%
UV Index: 2
Wind: 9 mph
2 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 39%
UV Index: 1
Wind: 9 mph
3 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 38%
UV Index: 1
Wind: 9 mph
4 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 38%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 40%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 42%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 46%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
34°
Feels Like 30°
3
Humidity: 51%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
32°
Feels Like 28°
3
Humidity: 58%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
34°
Feels Like 28°
3
Humidity: 59%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
34°
Feels Like 28°
3
Humidity: 61%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.62 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.72 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 3.47 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.51 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.5 ppb
  • SO2: 2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.3 ppb
  • SO2: 2.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

12 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.9 ppb
  • SO2: 2.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

1 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 2.99 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.5 ppb
  • SO2: 3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.3 ppb
  • SO2: 2.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

3 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 2.7 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.1 ppb
  • SO2: 2.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.03 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.053 ppm
  • NO2: 2 ppb
  • SO2: 2.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

5 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.9 µg/m³
  • PM10: 2.37 µg/m³
  • O3: 0.055 ppm
  • NO2: 2 ppb
  • SO2: 2.2 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.

6 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.99 µg/m³
  • PM10: 2.46 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.6 ppb
  • SO2: 2 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.

7 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.055 ppm
  • NO2: 3.2 ppb
  • SO2: 1.8 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.

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.054 ppm
  • NO2: 3.4 ppb
  • SO2: 1.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.053 ppm
  • NO2: 3.2 ppb
  • SO2: 1.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 3.51 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 3.77 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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