Pittsburgh air quality · Pennsylvania, United States
Even healthy adults may notice throat irritation and mild coughing
US AQI 198 (Unhealthy) in Pittsburgh, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Pittsburgh
- PM2.5198AQI
- Ozone8AQI
US values are per-pollutant AQI from the highest-reading monitor near Pittsburgh (Clairton).
Is it safe outside in Pittsburgh right now?
Some members of the general public may feel health effects; sensitive groups may feel more serious effects.
Walking and commuting
Take careKeep outdoor walks short and choose quieter streets away from traffic.
Running and jogging
AvoidMove your run indoors or reschedule for a cleaner hour.
Cycling
LimitKeep rides short and easy, or ride indoors.
Children playing outside
LimitLimit outdoor play to short, gentle sessions. Move sports indoors.
Older adults and heart or lung conditions
AvoidAvoid exertion outdoors. Follow your doctor's action plan.
Open windows
AvoidKeep windows closed while the air is unhealthy.
Mask outdoors
RecommendedWear a well-fitted N95 or FFP2 mask outdoors. Cloth and surgical masks do little against fine particles.
Air purifier indoors
RecommendedRun a HEPA purifier in the room you spend most time in.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 151–200 means for your health →
Pittsburgh air quality history
Daily average, 36 days- 45average daily US AQI over 36 days
- 86worst day, 19 October
- 24cleanest day, 17 October
- 0days at Unhealthy or worse
The last 7 days averaged 52, about the same as the week before (50). 23 of the last 36 days were Good.
Weather in Pittsburgh
No active National Weather Service alerts for Pittsburgh.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Areas Of Frost then Sunny | 64°F | 37°F | 0% |
| Tue 20 | Mostly Sunny | 66°F | 37°F | 0% |
| Wed 21 | Sunny | 64°F | 37°F | 0% |
| Thu 22 | Sunny | 64°F | 43°F | 0% |
| Fri 23 | Sunny | 63°F | 39°F | 0% |
| Sat 24 | Sunny | 64°F | 39°F | 0% |
| Sun 25 | Sunny | 64°F | 45°F | 1% |
National Weather Service forecast. All US weather alerts →
Nearby cities
US rankingAll 6 cities in Pennsylvania →
Related reading
Pittsburgh air quality: common questions
What is the AQI in Pittsburgh right now?
The US AQI in Pittsburgh is 198 (Unhealthy). The main pollutant is PM2.5.
Is it safe to go outside in Pittsburgh today?
Limit time outdoors. Some members of the general public may feel health effects; sensitive groups may feel more serious effects. For runners: Move your run indoors or reschedule for a cleaner hour.
How has air quality in Pittsburgh been recently?
Over the last 36 days with data, Pittsburgh averaged US AQI 45. The worst day was 19 October at 86; the cleanest was 17 October at 24. 0 days were at Unhealthy or worse.
Where does Pittsburgh's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.