Nearby locations
North Gate, California, United States
Walnut Heights, California, United States
Walnut Creek, California, United States
Nearby popular places
Shell Ridge Open Space, United States
El Divisadero Park, United States
Castle Rock Park, United States

Air Quality in Shell Ridge Open Space, United States

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Pollutants in Shell Ridge Open Space, United States

PM10
20.5 μg/m3
PM25
3.7 μg/m3
NO2
2.5 ppb
SO2
0.5 ppb
CO
0.1 ppb
O3
Primary Pollutant
35.7 ppb
Low riskHigh risk

Pollen Index in Shell Ridge Open Space, United States

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

Air Quality Forecast in Shell Ridge Open Space, United States

Thu, July 23
MorningNoonEveningNight
Next day
Next day
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 26 and 38.

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 58.

34
37
54
55
Next day
Pollen

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

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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

1
1
1
1
Next day
PM10
20.5 μg/m3
8.6 μg/m3
14.7 μg/m3
15.7 μg/m3
PM25
5.4 μg/m3
6.7 μg/m3
10.4 μg/m3
11.2 μg/m3
NO2
4.6 ppb
3 ppb
1.2 ppb
1.7 ppb
SO2
0.5 ppb
0.4 ppb
0.6 ppb
0.5 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
37 ppb
21 ppb
34.3 ppb
37.9 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 58.

37
54
55
52
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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

1
1
1
1
PM10
8.6 μg/m3
14.7 μg/m3
15.7 μg/m3
13.2 μg/m3
PM25
6.7 μg/m3
10.4 μg/m3
11.2 μg/m3
9.8 μg/m3
NO2
3 ppb
1.2 ppb
1.7 ppb
6.2 ppb
SO2
0.4 ppb
0.6 ppb
0.5 ppb
0.5 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
21 ppb
34.3 ppb
37.9 ppb
19.9 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 31 and 46.

29
36
47
46
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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

1
1
1
1
PM10
6.5 μg/m3
8.6 μg/m3
11.6 μg/m3
11.1 μg/m3
PM25
5.1 μg/m3
6.4 μg/m3
8.4 μg/m3
8.3 μg/m3
NO2
2.6 ppb
1.3 ppb
1.9 ppb
6.5 ppb
SO2
0.4 ppb
0.7 ppb
0.6 ppb
0.5 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
16.8 ppb
25.7 ppb
29.1 ppb
16.6 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 44 and 59.

44
55
57
0
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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
-
Not Available

Weed

0
0
0
-
Not Available

Grass

1
1
1
-
Not Available
PM10
9.9 μg/m3
15.5 μg/m3
16.9 μg/m3
N/A
PM25
7.9 μg/m3
11.1 μg/m3
12.4 μg/m3
N/A
NO2
5.2 ppb
1.5 ppb
2 ppb
N/A
SO2
0.4 ppb
0.7 ppb
0.6 ppb
N/A
CO
0.1 ppb
0.1 ppb
0.1 ppb
N/A
O3
14.7 ppb
32.1 ppb
39.3 ppb
N/A