Nearby locations
Center City, Pennsylvania, United States
Philadelphia, Pennsylvania, United States
Wharton, Pennsylvania, United States
Nearby popular places
Chinatown Friendship Gate, United States
Louis Kahn Park, United States
Liberty Bell Center, United States

Air Quality in Center City, Pennsylvania, United States

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Pollutants in Center City, United States

PM10
0.27 μg/ft3
PM25
0.27 μg/ft3
NO2
11.9 ppb
SO2
0.4 ppb
CO
0.3 ppb
O3
Primary Pollutant
32.7 ppb
Low riskHigh risk

Pollen Index in Center City, United States

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Air Quality Forecast in Center City, United States

Sat, September 19
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 17 and 53.

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 46 and 53.

44
27
26
35
Next day
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
Next day
PM10
0.23 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.20 μg/ft3
PM25
0.22 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.18 μg/ft3
NO2
6.6 ppb
4.1 ppb
5.1 ppb
7 ppb
SO2
0.6 ppb
0.4 ppb
0.5 ppb
0.7 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
34.3 ppb
28.8 ppb
28 ppb
25.8 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 46 and 53.

27
26
35
34
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.12 μg/ft3
0.12 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
PM25
0.11 μg/ft3
0.11 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
NO2
4.1 ppb
5.1 ppb
7 ppb
6.1 ppb
SO2
0.4 ppb
0.5 ppb
0.7 ppb
0.7 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
28.8 ppb
28 ppb
25.8 ppb
24.8 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 38 and 52.

31
39
55
0
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
-
Not Available

Weed

0
0
0
-
Not Available

Grass

0
0
0
-
Not Available
PM10
0.18 μg/ft3
0.23 μg/ft3
0.42 μg/ft3
N/A
PM25
0.16 μg/ft3
0.20 μg/ft3
0.31 μg/ft3
N/A
NO2
4.7 ppb
5.7 ppb
4.7 ppb
N/A
SO2
0.6 ppb
0.8 ppb
0.6 ppb
N/A
CO
0.2 ppb
0.2 ppb
0.2 ppb
N/A
O3
26.3 ppb
22.3 ppb
27.3 ppb
N/A