Nearby locations
Lake San Marcos, California, United States
San Marcos, California, United States
Buena, California, United States
Nearby popular places
Lake San Marcos Country Club, United States
William R Bradley Park, United States
Cerro de las Posas, United States

Air Quality in Lake San Marcos, California, United States

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Pollutants in Lake San Marcos, United States

PM10
1.88 μg/ft3
PM25
Primary Pollutant
1.27 μg/ft3
NO2
63.63 ppb
SO2
10.81 ppb
CO
5.63 ppb
O3
26.19 ppb
Low riskHigh risk

Pollen Index in Lake San Marcos, United States

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

Air Quality Forecast in Lake San Marcos, United States

Sat, May 11
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 58 and 90.

81
64
68
77
Pollen

The overall pollen forecast for this day shows no significant 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 no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
1.07 μg/ft3
0.78 μg/ft3
0.69 μg/ft3
1.21 μg/ft3
PM25
0.73 μg/ft3
0.49 μg/ft3
0.44 μg/ft3
0.80 μg/ft3
NO2
30.58 ppb
8.7 ppb
11.68 ppb
38.65 ppb
SO2
4.45 ppb
3.98 ppb
3.55 ppb
3.93 ppb
CO
0.35 ppb
0.21 ppb
0.18 ppb
0.38 ppb
O3
14.63 ppb
61.77 ppb
50.9 ppb
5.76 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 56 and 87.

75
60
61
57
Pollen

The overall pollen forecast for this day shows no significant 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 no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.94 μg/ft3
0.75 μg/ft3
0.70 μg/ft3
0.68 μg/ft3
PM25
0.64 μg/ft3
0.46 μg/ft3
0.45 μg/ft3
0.46 μg/ft3
NO2
26.4 ppb
9.43 ppb
12.49 ppb
30.6 ppb
SO2
4.01 ppb
4.13 ppb
4.41 ppb
3.88 ppb
CO
0.29 ppb
0.18 ppb
0.17 ppb
0.24 ppb
O3
14.61 ppb
51.38 ppb
48.57 ppb
5.95 ppb