Nearby locations
Half Moon Bay, California, United States
Miramar, California, United States
El Granada, California, United States
Nearby popular places
Half Moon Bay State Beach, United States
Poplar Beach, United States
Johnson House Historic Site, United States

Air Quality in Half Moon Bay, California, United States

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Pollutants in Half Moon Bay, United States

PM10
0.36 μg/ft3
PM25
Primary Pollutant
0.24 μg/ft3
NO2
7 ppb
SO2
0.31 ppb
CO
0.19 ppb
O3
40.31 ppb
Low riskHigh risk

Pollen Index in Half Moon Bay, United States

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

Air Quality Forecast in Half Moon Bay, United States

Fri, May 10
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 32 and 105.

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 35 and 91.

97
39
36
53
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

5
2
1
5

Weed

0
0
0
0

Grass

5
5
4
5
Next day
PM10
0.41 μg/ft3
0.40 μg/ft3
0.32 μg/ft3
0.61 μg/ft3
PM25
0.27 μg/ft3
0.26 μg/ft3
0.22 μg/ft3
0.42 μg/ft3
NO2
1.76 ppb
5.1 ppb
6.31 ppb
1.85 ppb
SO2
0.29 ppb
0.69 ppb
0.5 ppb
0.65 ppb
CO
0.14 ppb
0.16 ppb
0.19 ppb
0.16 ppb
O3
66.91 ppb
33.97 ppb
11.92 ppb
51.7 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 35 and 91.

36
53
84
0
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

1
5
5
-
Not Available

Weed

0
0
0
-
Not Available

Grass

4
5
5
-
Not Available
PM10
0.32 μg/ft3
0.61 μg/ft3
0.20 μg/ft3
N/A
PM25
0.22 μg/ft3
0.42 μg/ft3
0.14 μg/ft3
N/A
NO2
6.31 ppb
1.85 ppb
2.48 ppb
N/A
SO2
0.5 ppb
0.65 ppb
0.14 ppb
N/A
CO
0.19 ppb
0.16 ppb
0.14 ppb
N/A
O3
11.92 ppb
51.7 ppb
61.94 ppb
N/A