Nearby locations
San Jose, California, United States
Buena Vista, California, United States
Santa Clara, California, United States
Nearby popular places
Saint James Square Historic District, United States
Saint James Square, United States
San Jose Downtown Historic District, United States

Air Quality in San Jose, California, United States

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

Pollutants in San Jose, United States

PM10
1.46 μg/ft3
PM25
Primary Pollutant
0.96 μg/ft3
NO2
37.81 ppb
SO2
16.38 ppb
CO
15.5 ppb
O3
36.69 ppb
Low riskHigh risk

Pollen Index in San Jose, United States

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

Air Quality Forecast in San Jose, United States

Wed, April 17
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 46 and 128.

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 36 and 57.

59
32
39
44
Next day
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
Next day
PM10
0.60 μg/ft3
0.30 μg/ft3
0.35 μg/ft3
0.36 μg/ft3
PM25
0.41 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.23 μg/ft3
NO2
15.67 ppb
6.76 ppb
2.91 ppb
3.22 ppb
SO2
0.82 ppb
0.83 ppb
1.1 ppb
0.58 ppb
CO
0.22 ppb
0.15 ppb
0.15 ppb
0.14 ppb
O3
13.98 ppb
24.95 ppb
45.39 ppb
45.32 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 36 and 57.

32
39
44
36
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.30 μg/ft3
0.35 μg/ft3
0.36 μg/ft3
0.39 μg/ft3
PM25
0.20 μg/ft3
0.22 μg/ft3
0.23 μg/ft3
0.27 μg/ft3
NO2
6.76 ppb
2.91 ppb
3.22 ppb
10.04 ppb
SO2
0.83 ppb
1.1 ppb
0.58 ppb
0.59 ppb
CO
0.15 ppb
0.15 ppb
0.14 ppb
0.18 ppb
O3
24.95 ppb
45.39 ppb
45.32 ppb
27.66 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 33 and 57.

35
39
44
31
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 very low risk.

Tree

0
0
0
2

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.31 μg/ft3
0.33 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
PM25
0.21 μg/ft3
0.21 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
NO2
3.9 ppb
1.82 ppb
2.48 ppb
5.6 ppb
SO2
0.5 ppb
0.58 ppb
0.45 ppb
0.44 ppb
CO
0.15 ppb
0.14 ppb
0.14 ppb
0.16 ppb
O3
32.06 ppb
46.23 ppb
44.38 ppb
30.57 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 27 and 47.

30
0
0
0
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

0
-
Not Available
-
Not Available
-
Not Available

Weed

0
-
Not Available
-
Not Available
-
Not Available

Grass

0
-
Not Available
-
Not Available
-
Not Available
PM10
0.14 μg/ft3
N/A
N/A
N/A
PM25
0.09 μg/ft3
N/A
N/A
N/A
NO2
2.58 ppb
N/A
N/A
N/A
SO2
0.35 ppb
N/A
N/A
N/A
CO
0.15 ppb
N/A
N/A
N/A
O3
30.8 ppb
N/A
N/A
N/A