Hourly Weather | Today Friday, February 27, 2026
Pittsburgh, Pennsylvania
2 AM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 62%
UV Index: 0
Wind: 5 mph
3 AM
Night
30°
Feels Like 28°
0
Humidity: 67%
UV Index: 0
Wind: 5 mph
4 AM
Night
30°
Feels Like 27°
0
Humidity: 71%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
28°
Feels Like 27°
0
Frost Risk: 76%
Humidity: 72%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 70%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
30°
Feels Like 28°
0
Humidity: 69%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
32°
Feels Like 30°
0
Humidity: 69%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 60%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
45°
Feels Like 45°
0
Humidity: 51%
UV Index: 3
Wind: 8 mph
11 AM
Cloudy Weather
48°
Feels Like 48°
0
Humidity: 48%
UV Index: 4
Wind: 8 mph
12 PM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 45%
UV Index: 4
Wind: 9 mph
1 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 42%
UV Index: 4
Wind: 10 mph
2 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 40%
UV Index: 3
Wind: 10 mph
3 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 38%
UV Index: 2
Wind: 10 mph
4 PM
Cloudy Weather
55°
Feels Like 54°
0
Humidity: 40%
UV Index: 1
Wind: 10 mph
5 PM
Sunny Weather
55°
Feels Like 52°
0
Humidity: 42%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Weather
54°
Feels Like 50°
0
Humidity: 46%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 50%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 56%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
46°
Feels Like 41°
0
Humidity: 59%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
45°
Feels Like 39°
0
Humidity: 60%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
45°
Feels Like 39°
0
Humidity: 62%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.77 µg/m³
  • PM10: 7.52 µg/m³
  • O3: 0.021 ppm
  • NO2: 6.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

3 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.14 µg/m³
  • PM10: 7.82 µg/m³
  • O3: 0.021 ppm
  • NO2: 5.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

4 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.36 µg/m³
  • PM10: 7.99 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

5 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 7.97 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

6 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 7.95 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

7 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.55 µg/m³
  • PM10: 8.17 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

8 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.52 µg/m³
  • PM10: 8.2 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.59 µg/m³
  • PM10: 7.34 µg/m³
  • O3: 0.025 ppm
  • NO2: 4.7 ppb
  • SO2: 1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 6.65 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.8 ppb
  • SO2: 1.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.65 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.043 ppm
  • NO2: 3 ppb
  • SO2: 4.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.6 ppb
  • SO2: 4.3 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: 5.53 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.3 ppb
  • SO2: 4.1 ppb
  • CO: 0.14 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: 5.35 µg/m³
  • PM10: 6.29 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.6 ppb
  • SO2: 3.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.06 µg/m³
  • PM10: 5.81 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.2 ppb
  • SO2: 2.3 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.

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

Pollutant Concentrations:

  • PM2.5: 5.02 µg/m³
  • PM10: 5.7 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.1 ppb
  • SO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 5.23 µg/m³
  • PM10: 5.88 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.59 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 6.53 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 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: 6.01 µg/m³
  • PM10: 6.66 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.09 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 6.66 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.79 µg/m³
  • PM10: 6.33 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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