Nearby locations
Sleepy Hollow, California, United States
Fairfax, California, United States
Lucas Valley, California, United States
Nearby popular places
Santa Margarita Valley Park, United States
Terra Linda-Sleepy Hollow Divide Northern Preserve, United States
Loma Alta Preserve, United States

Air Quality in Sleepy Hollow, California, United States

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Pollutants in Sleepy Hollow, 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 Sleepy Hollow, United States

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

Air Quality Forecast in Sleepy Hollow, United States

Wed, May 8
MorningNoonEveningNight
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.

38
62
80
47
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

5
2
1
2

Weed

0
0
0
0

Grass

2
4
1
1
PM10
0.45 μg/ft3
0.38 μg/ft3
0.27 μg/ft3
0.30 μg/ft3
PM25
0.19 μg/ft3
0.19 μg/ft3
0.12 μg/ft3
0.14 μg/ft3
NO2
3.32 ppb
0.64 ppb
1.53 ppb
5.25 ppb
SO2
0.32 ppb
0.35 ppb
0.21 ppb
0.32 ppb
CO
0.14 ppb
0.13 ppb
0.13 ppb
0.16 ppb
O3
36.84 ppb
63.16 ppb
60.34 ppb
46.91 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