Philadelphia air quality · Pennsylvania, United States
This AQI is manageable, though sensitive lungs may notice it
US AQI 62 (Moderate) in Philadelphia, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Philadelphia
- PM2.562AQI
- NO₂25AQI
- Ozone12AQI
- SO₂1AQI
- PM1031AQI
US values are per-pollutant AQI from the highest-reading monitor near Philadelphia (NEW).
Is it safe outside in Philadelphia right now?
Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors.
Walking and commuting
Go aheadFine for everyone.
Running and jogging
Take careFine for most; unusually sensitive people should ease the pace.
Cycling
Go aheadFine for everyone.
Children playing outside
Go aheadNo limits for most children.
Older adults and heart or lung conditions
Take careWatch for symptoms such as coughing or breathlessness.
Open windows
Go aheadFine to ventilate.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededOptional.
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 51–100 means for your health →
Philadelphia air quality history
Daily average, 36 days- 42average daily US AQI over 36 days
- 65worst day, 2 October
- 25cleanest day, 28 September
- 0days at Unhealthy or worse
The last 7 days averaged 43, about the same as the week before (42). 30 of the last 36 days were Good.
Weather in Philadelphia
No active National Weather Service alerts for Philadelphia.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Sunny | 64°F | 48°F | 0% |
| Tue 20 | Mostly Sunny | 68°F | 46°F | 0% |
| Wed 21 | Sunny | 64°F | 45°F | 3% |
| Thu 22 | Sunny | 66°F | 46°F | 3% |
| Fri 23 | Sunny | 63°F | 41°F | 0% |
| Sat 24 | Sunny | 63°F | 43°F | 1% |
| Sun 25 | Sunny | 66°F | 46°F | 1% |
National Weather Service forecast. All US weather alerts →
Nearby cities
US rankingAll 6 cities in Pennsylvania →
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Philadelphia air quality: common questions
What is the AQI in Philadelphia right now?
The US AQI in Philadelphia is 62 (Moderate). The main pollutant is PM2.5.
Is it safe to go outside in Philadelphia today?
Fine for most people. Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors. For runners: Fine for most; unusually sensitive people should ease the pace.
How has air quality in Philadelphia been recently?
Over the last 36 days with data, Philadelphia averaged US AQI 42. The worst day was 2 October at 65; the cleanest was 28 September at 25. 0 days were at Unhealthy or worse.
Where does Philadelphia'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.