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Luftkvalitet i Helena Valley West Central, Montana, Forenede Stater
Forureningskilder i Helena Valley West Central, Forenede Stater
PM10
0.22 μg/ft3
PM25
Primær forureningskilde
0.15 μg/ft3
NO2
1.38 ppb
SO2
0.19 ppb
CO
0.19 ppb
O3
23.13 ppb
Lav risikoHøj risiko
Pollenindeks i Helena Valley West Central, Forenede Stater
Træ
0/5
012345
Ukrudt
0/5
012345
Græs
0/5
012345
Luftkvalitetsudsigt i Helena Valley West Central, Forenede Stater
man. 4. november
MorgenMiddagAftenNat
Næste dag
Næste dag
AQI (luftkvalitetsindeks)35
34
33
31
Næste dag
PollenTræ
0
0
0
0
Ukrudt
1
1
1
0
Græs
0
1
1
0
Næste dag
PM10
0.01 μg/ft3
0.00 μg/ft3
0.01 μg/ft3
0.02 μg/ft3
PM25
0.00 μg/ft3
0.00 μg/ft3
0.00 μg/ft3
0.01 μg/ft3
NO2
0.1 ppb
0.2 ppb
0.23 ppb
0.25 ppb
SO2
0.01 ppb
N/A
0.01 ppb
0.01 ppb
CO
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
O3
38.9 ppb
35.8 ppb
33.7 ppb
33.8 ppb
AQI (luftkvalitetsindeks)
31
32
33
32
Pollen
Træ
0
0
0
0
Ukrudt
0
1
1
1
Græs
0
1
1
1
PM10
0.02 μg/ft3
0.02 μg/ft3
0.05 μg/ft3
0.08 μg/ft3
PM25
0.01 μg/ft3
0.01 μg/ft3
0.03 μg/ft3
0.05 μg/ft3
NO2
0.25 ppb
0.14 ppb
0.42 ppb
0.74 ppb
SO2
0.01 ppb
0.05 ppb
0.2 ppb
0.54 ppb
CO
0.15 ppb
0.16 ppb
0.14 ppb
0.13 ppb
O3
33.8 ppb
36.1 ppb
34.1 ppb
33.6 ppb
AQI (luftkvalitetsindeks)
31
32
35
32
Pollen
Træ
0
0
0
0
Ukrudt
1
1
1
1
Græs
1
1
1
0
PM10
0.07 μg/ft3
0.08 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
PM25
0.05 μg/ft3
0.05 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
NO2
0.81 ppb
0.19 ppb
0.44 ppb
1.02 ppb
SO2
0.33 ppb
0.08 ppb
0.04 ppb
0.05 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
O3
32.6 ppb
37.5 ppb
37.3 ppb
31.8 ppb