logo
search icon

Live air quality index in Philadelphia, Pennsylvania today

Stay updated with real-time air quality in Philadelphia, Pennsylvania featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

56

Moderate

icon

Philadelphia, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Philadelphia, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

11.81 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

51.65 μg/m³

0

55

155

255

425

605+

Ozone (O3)

20.44 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.28 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

13.35 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

icon

Philadelphia, Pennsylvania

Get Live Pollen Counts arrow

Track live Philadelphia, Pennsylvania air quality forecast and history

circlePhiladelphia

Loading...

Get reliable air quality data to drive your business


Philadelphia, Pennsylvania air quality map: Track AQI near you




How accurate is Pennsylvania, USA air quality data?

Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Philadelphia, Pennsylvania updated?

expand

The air quality for Philadelphia, Pennsylvania is updated every hour.


When was the worst air quality at Philadelphia, Pennsylvania in the last 24 hrs?

expand

The worst air quality in Philadelphia, Pennsylvania in the last 24 hours was observed at 11:00:00 on 2025-06-05.


When was the best air quality at Philadelphia, Pennsylvania in the last 24 hrs?

expand

In the last 24 hrs, the best air quality in Philadelphia, Pennsylvania was observed at 02:00:00 on 2025-06-05.


What is the current air quality in Philadelphia, Pennsylvania?

expand

The current air quality in Philadelphia, Pennsylvania is 56, categorized as Moderate based on real-time data.


What pollutant is the most common in Philadelphia, Pennsylvania?

expand

The most common pollutant in Philadelphia, Pennsylvania is PM2.5.


What should I do if the air quality in Philadelphia, Pennsylvania is poor?

expand

If the air quality in Philadelphia, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Philadelphia, Pennsylvania?

expand

The current PM2.5 concentration at Philadelphia, Pennsylvania is 11.807 μg/m3.


What is the current concentration of PM10 in Philadelphia, Pennsylvania?

expand

The current PM10 concentration at Philadelphia, Pennsylvania is 51.651 μg/m3.


What is the current concentration of carbon monoxide (CO) in Philadelphia, Pennsylvania?

expand

The current carbon monoxide (CO) concentration at Philadelphia, Pennsylvania is 0.343 ppm.


What is the current concentration of sulfur dioxide (SO2) in Philadelphia, Pennsylvania?

expand

The current sulfur dioxide (SO2) concentration at Philadelphia, Pennsylvania is 0.276 ppb.


What is the current concentration of ozone (O3) in Philadelphia, Pennsylvania?

expand

The current ozone (O3) concentration at Philadelphia, Pennsylvania is 20.442 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Philadelphia, Pennsylvania?

expand

The current nitrogen dioxide (NO2) concentration at Philadelphia, Pennsylvania is 13.347 ppb.


Ambee Footer Logo

All Rights Reserved © Ambee Inc. 2025