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Philadelphia, Pennsylvania, United States
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Air Quality in Philadelphia, Pennsylvania, United States

Pollutants in Philadelphia, United States

PM10
0.36 μg/ft3
PM25
Primary Pollutant
0.32 μg/ft3
NO2
9.38 ppb
SO2
7.31 ppb
CO
7.19 ppb
O3
37.88 ppb
Low riskHigh risk

Pollen Index in Philadelphia, United States

Tree
3/5
012345
Weed
0/5
012345
Grass
1/5
012345

Air Quality Forecast in Philadelphia, United States

Mon, May 23
MorningNoonEveningNight
Next day
Next day
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 33 and 37.

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 30 and 37.

AQI33
AQI36
AQI37
AQI33
Next day
Pollen

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have medium risk.

Tree

3
5
1
1

Weed

0
0
0
0

Grass

1
5
3
2
Next day
PM10
0.20 μg/ft3
0.19 μg/ft3
0.21 μg/ft3
0.08 μg/ft3
PM25
0.13 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.05 μg/ft3
NO2
0.37 ppb
0.64 ppb
1.34 ppb
1.21 ppb
SO2
0.01 ppb
0.02 ppb
0.25 ppb
0.37 ppb
CO
0.13 ppb
0.13 ppb
0.14 ppb
0.12 ppb
O3
38.02 ppb
39.31 ppb
41.15 ppb
32.61 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 30 and 37.

AQI33
AQI30
AQI36
AQI34
Pollen

Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have medium risk.

Tree

1
1
0
0

Weed

0
0
0
0

Grass

2
1
1
0
PM10
0.08 μg/ft3
0.09 μg/ft3
0.26 μg/ft3
0.09 μg/ft3
PM25
0.05 μg/ft3
0.06 μg/ft3
0.16 μg/ft3
0.06 μg/ft3
NO2
1.21 ppb
0.63 ppb
0.47 ppb
0.88 ppb
SO2
0.37 ppb
0.06 ppb
0.04 ppb
0.04 ppb
CO
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
O3
32.61 ppb
33.87 ppb
39.31 ppb
33.96 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 28 and 39.

AQI29
AQI30
AQI39
AQI34
Pollen

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have low risk.

Tree

0
0
5
5

Weed

0
0
0
0

Grass

0
0
2
1
PM10
0.04 μg/ft3
0.09 μg/ft3
0.13 μg/ft3
0.18 μg/ft3
PM25
0.03 μg/ft3
0.06 μg/ft3
0.09 μg/ft3
0.12 μg/ft3
NO2
0.68 ppb
0.49 ppb
0.69 ppb
2.61 ppb
SO2
0.03 ppb
0.12 ppb
0.18 ppb
0.27 ppb
CO
0.1 ppb
0.12 ppb
0.13 ppb
0.16 ppb
O3
29.82 ppb
36.44 ppb
41.31 ppb
33.98 ppb

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