Luftkvalitet i Walnut Creek Public Use Area, Forenede Stater
Forureningskilder i Walnut Creek Public Use Area, Forenede Stater
PM10
0.43 μg/ft3
PM25
0.12 μg/ft3
NO2
3.4 ppb
SO2
0.4 ppb
CO
0.2 ppb
O3
Primær forureningskilde
14.7 ppb
Lav risikoHøj risiko
Pollenindeks i Walnut Creek Public Use Area, Forenede Stater
Træ
1/5
012345
Ukrudt
0/5
012345
Græs
0/5
012345
Luftkvalitetsudsigt i Walnut Creek Public Use Area, Forenede Stater
man. 10. marts
MorgenMiddagAftenNat
AQI (luftkvalitetsindeks)
34
36
54
40
Pollen
Træ
1
1
1
1
Ukrudt
0
0
0
0
Græs
0
0
0
0
PM10
0.67 μg/ft3
0.44 μg/ft3
0.31 μg/ft3
0.29 μg/ft3
PM25
0.14 μg/ft3
0.14 μg/ft3
0.12 μg/ft3
0.14 μg/ft3
NO2
2.1 ppb
2.2 ppb
2.6 ppb
6.5 ppb
SO2
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
36.5 ppb
38.7 ppb
58.9 ppb
42.8 ppb