Hourly Weather | Today Wednesday, October 8, 2025
Pittsburgh, Pennsylvania
3 AM
Rainy Weather
63°
Feels Like 57°
62
Humidity: 91%
Wind: 8 mph
UV Index: 0
4 AM
Cloudy Weather
61°
Feels Like 57°
49
Humidity: 90%
Wind: 8 mph
UV Index: 0
5 AM
Cloudy Weather
57°
Feels Like 55°
34
Humidity: 88%
Wind: 8 mph
UV Index: 0
6 AM
Cloudy Night
55°
Feels Like 54°
34
Humidity: 88%
Wind: 7 mph
UV Index: 0
7 AM
Cloudy Night
55°
Feels Like 54°
22
Humidity: 85%
Wind: 7 mph
UV Index: 0
8 AM
Cloudy Weather
55°
Feels Like 54°
0
Humidity: 85%
Wind: 7 mph
UV Index: 6
9 AM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 78%
Wind: 7 mph
UV Index: 15
10 AM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 71%
Wind: 8 mph
UV Index: 23
11 AM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 64%
Wind: 8 mph
UV Index: 32
12 PM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 56%
Wind: 9 mph
UV Index: 39
1 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 50%
Wind: 9 mph
UV Index: 41
2 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 46%
Wind: 9 mph
UV Index: 39
3 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 44%
Wind: 9 mph
UV Index: 32
4 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 45%
Wind: 9 mph
UV Index: 23
5 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 46%
Wind: 9 mph
UV Index: 15
6 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 48%
Wind: 9 mph
UV Index: 6
7 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 53%
Wind: 8 mph
UV Index: 0
8 PM
Night
57°
Feels Like 54°
0
Humidity: 57%
Wind: 7 mph
UV Index: 0
9 PM
Night
54°
Feels Like 52°
0
Humidity: 63%
Wind: 7 mph
UV Index: 0
10 PM
Night
54°
Feels Like 52°
0
Humidity: 65%
Wind: 6 mph
UV Index: 0
11 PM
Night
52°
Feels Like 48°
0
Humidity: 67%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 1.27 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.29 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 1.31 µg/m³
  • O3: 0.020 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 1.19 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 1.35 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.46 µg/m³
  • PM10: 1.89 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.4 ppb
  • SO2: 1.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.95 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.21 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.65 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.8 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.041 ppm
  • NO2: 2 ppb
  • SO2: 1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.74 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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