Hourly Weather | Today Thursday, March 19, 2026
Pittsburgh, Pennsylvania
6 AM
Cloudy Weather
34°
Feels Like 28°
7
Humidity: 84%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
34°
Feels Like 28°
6
Humidity: 89%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
34°
Feels Like 28°
5
Humidity: 83%
UV Index: 0
Wind: 7 mph
9 AM
Cloudy Weather
36°
Feels Like 32°
5
Humidity: 87%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
37°
Feels Like 36°
5
Humidity: 82%
UV Index: 1
Wind: 7 mph
11 AM
Cloudy Weather
41°
Feels Like 39°
5
Humidity: 79%
UV Index: 1
Wind: 7 mph
12 PM
Cloudy Weather
45°
Feels Like 43°
5
Humidity: 75%
UV Index: 1
Wind: 7 mph
1 PM
Cloudy Weather
46°
Feels Like 45°
8
Humidity: 72%
UV Index: 1
Wind: 8 mph
2 PM
Cloudy Weather
48°
Feels Like 45°
40
Humidity: 71%
UV Index: 1
Wind: 8 mph
3 PM
Rainy Weather
50°
Feels Like 45°
44
Humidity: 69%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
52°
Feels Like 48°
40
Humidity: 67%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
54°
Feels Like 52°
38
Humidity: 65%
UV Index: 1
Wind: 7 mph
6 PM
Rainy Weather
52°
Feels Like 46°
42
Humidity: 70%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
48°
Feels Like 46°
38
Humidity: 77%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
46°
Feels Like 45°
35
Humidity: 80%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
45°
Feels Like 43°
38
Humidity: 86%
UV Index: 0
Wind: 5 mph
10 PM
Rainy Night
43°
Feels Like 39°
42
Humidity: 91%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
41°
Feels Like 39°
38
Humidity: 92%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.5 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 4.04 µg/m³
  • O3: 0.051 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.58 µg/m³
  • PM10: 4.12 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 3.87 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.82 µg/m³
  • PM10: 4.67 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.5 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

3 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 7.2 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.5 ppb
  • SO2: 1.1 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
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.31 µg/m³
  • PM10: 8.43 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.5 ppb
  • SO2: 1.3 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.

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

Pollutant Concentrations:

  • PM2.5: 8.04 µg/m³
  • PM10: 9.23 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.6 ppb
  • SO2: 1.5 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.

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

Pollutant Concentrations:

  • PM2.5: 8.58 µg/m³
  • PM10: 9.79 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.5 ppb
  • SO2: 1.3 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.

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

Pollutant Concentrations:

  • PM2.5: 8.89 µg/m³
  • PM10: 10.1 µg/m³
  • O3: 0.049 ppm
  • NO2: 4.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.07 µg/m³
  • PM10: 10.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 5.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.09 µg/m³
  • PM10: 10.32 µg/m³
  • O3: 0.040 ppm
  • NO2: 5.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.23 µg/m³
  • PM10: 10.46 µg/m³
  • O3: 0.038 ppm
  • NO2: 5.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.46 µg/m³
  • PM10: 10.7 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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