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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Thursday, March 12, 2026
Active Weather Warnings
Pittsburgh, Pennsylvania
11 AM
Cloudy Weather
37°
Feels Like 27°
34
Humidity: 58%
UV Index: 2
Wind: 17 mph
12 PM
Cloudy Weather
39°
Feels Like 28°
34
Humidity: 53%
UV Index: 2
Wind: 18 mph
1 PM
Cloudy Weather
41°
Feels Like 30°
29
Humidity: 47%
UV Index: 2
Wind: 18 mph
2 PM
Cloudy Weather
43°
Feels Like 36°
20
Humidity: 43%
UV Index: 2
Wind: 14 mph
3 PM
Cloudy Weather
43°
Feels Like 36°
20
Humidity: 39%
UV Index: 2
Wind: 15 mph
4 PM
Cloudy Weather
45°
Feels Like 36°
20
Humidity: 36%
UV Index: 1
Wind: 15 mph
5 PM
Cloudy Weather
43°
Feels Like 34°
20
Humidity: 36%
UV Index: 1
Wind: 15 mph
6 PM
Cloudy Weather
43°
Feels Like 34°
20
Humidity: 38%
UV Index: 0
Wind: 14 mph
7 PM
Cloudy Weather
41°
Feels Like 32°
13
Humidity: 43%
UV Index: 0
Wind: 12 mph
8 PM
Cloudy Night
39°
Feels Like 34°
0
Humidity: 48%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
37°
Feels Like 34°
0
Humidity: 54%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
37°
Feels Like 34°
0
Humidity: 59%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
36°
Feels Like 32°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.63 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 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: 0.5 µg/m³
  • PM10: 0.67 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 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: 0.5 µg/m³
  • PM10: 0.81 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.050 ppm
  • NO2: 1 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 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: 0.73 µg/m³
  • PM10: 1.1 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.76 µg/m³
  • PM10: 1 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.81 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.19 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.38 µg/m³
  • O3: 0.050 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 1.59 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 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: 1.39 µg/m³
  • PM10: 1.81 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Pittsburgh

Minor Expected Observed

Flood Advisory

Flood Advisory issued March 11 at 10:55PM EDT until March 14 at 8:00AM EDT by NWS Pittsburgh PA
Mar 11, 10:55 PM → Mar 14, 8:00 AM
...The Flood Advisory continues for the following rivers in
Pennsylvania...

Ohio River At Pittsburgh affecting Allegheny County.

WHAT: Flooding caused by excessive rainfall continues.

WHERE: Ohio River at Pittsburgh.

WHEN: Until Saturday morning.

IMPACTS: At 18.0 feet, Water begins to flow onto the Monongahela
Parking Wharf. At 19.0 feet, Water begins to flow onto the North
Shore Riverwalk between the stadiums. At 19.5 feet, The Monongahela
Parking Wharf is completely flooded. At 20.0 feet, Water is up to
one foot deep in the lower areas of the North Shore Riverwalk.

ADDITIONAL DETAILS:
- At 10:45 PM EDT Wednesday the stage was 16.8 feet.
- Bankfull stage is 18.0 feet.
- Forecast...The river is expected to rise to a crest of 18.5 feet
tomorrow evening.
- Action stage is 18.0 feet.
- Flood stage is 22.0 feet.
- http://www.weather.gov/safety/flood
+ Read More
Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at weather.gov/pbz. The next statement will be issued Thursday afternoon at noon EDT.
Updated: Mar 12, 9:01 AM Source: NWS Alert