Nearby locations
Foster City, California, United States
Redwood Shores, California, United States
Belmont, California, United States
Nearby popular places
Foster City Recreation Center, United States
Leo J Ryan Memorial Park, United States
Catamaran Park, United States

Air Quality in Foster City, California, United States

To view the map, please use a browser that supports WebGL.

Pollutants in Foster City, United States

PM10
0.99 μg/ft3
PM25
Primary Pollutant
0.75 μg/ft3
NO2
23.63 ppb
SO2
15.31 ppb
CO
15.31 ppb
O3
67.81 ppb
Low riskHigh risk

Pollen Index in Foster City, United States

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

Air Quality Forecast in Foster City, United States

Wed, May 8
MorningNoonEveningNight
Next day
Next day
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 31 and 82.

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 45 and 106.

62
80
47
46
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 high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

Tree

2
1
2
4

Weed

0
0
0
0

Grass

4
1
1
2
Next day
PM10
0.38 μg/ft3
0.27 μg/ft3
0.30 μg/ft3
0.44 μg/ft3
PM25
0.19 μg/ft3
0.12 μg/ft3
0.14 μg/ft3
0.16 μg/ft3
NO2
0.64 ppb
1.53 ppb
5.25 ppb
3.16 ppb
SO2
0.35 ppb
0.21 ppb
0.32 ppb
0.45 ppb
CO
0.13 ppb
0.13 ppb
0.16 ppb
0.14 ppb
O3
63.16 ppb
60.34 ppb
46.91 ppb
48.67 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 45 and 106.

46
76
106
61
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

4
1
1
5

Weed

0
0
0
0

Grass

2
4
1
1
PM10
0.44 μg/ft3
0.50 μg/ft3
0.41 μg/ft3
0.31 μg/ft3
PM25
0.16 μg/ft3
0.27 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
NO2
3.16 ppb
0.74 ppb
1.23 ppb
5.32 ppb
SO2
0.45 ppb
0.53 ppb
0.34 ppb
0.37 ppb
CO
0.14 ppb
0.14 ppb
0.14 ppb
0.17 ppb
O3
48.67 ppb
69.44 ppb
69.21 ppb
51.89 ppb