WINTER WEATHER ADVISORY
SE ALLELuftkvalitet i Henry Stephens Memorial Library Historical Marker, forente stater
Forurensende stoffer i Henry Stephens Memorial Library Historical Marker, forente stater
PM10
0.70 μg/ft3
PM25
Primær forurensningsstoff
0.52 μg/ft3
NO2
8.7 ppb
SO2
2.88 ppb
CO
0.2 ppb
O3
25.49 ppb
Lav risikoHøy risiko
Pollenindeks i Henry Stephens Memorial Library Historical Marker, forente stater
Tre
0/5
012345
Ugress
0/5
012345
Gress
0/5
012345
Luftkvalitetsvarsel i Henry Stephens Memorial Library Historical Marker, forente stater
tor. 9. januar
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
38
25
30
37
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.24 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.24 μg/ft3
PM25
1.08 μg/ft3
0.41 μg/ft3
0.37 μg/ft3
1.04 μg/ft3
NO2
7.2 ppb
2.7 ppb
5.9 ppb
12.9 ppb
SO2
1.7 ppb
0.4 ppb
0.4 ppb
0.7 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
O3
25.4 ppb
25 ppb
29.9 ppb
24 ppb
Luftkvalitetindeks
52
31
33
50
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.34 μg/ft3
0.20 μg/ft3
0.21 μg/ft3
0.31 μg/ft3
PM25
1.47 μg/ft3
0.89 μg/ft3
0.93 μg/ft3
1.42 μg/ft3
NO2
9.7 ppb
8.3 ppb
8.4 ppb
6.6 ppb
SO2
1 ppb
2.3 ppb
2.2 ppb
1.3 ppb
CO
0.2 ppb
0.3 ppb
0.2 ppb
0.2 ppb
O3
20.6 ppb
22.7 ppb
32.4 ppb
34.5 ppb
Luftkvalitetindeks
31
29
29
30
Pollen
Tre
0
0
0
0
Ugress
0
0
0
0
Gress
0
0
0
0
PM10
0.07 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.09 μg/ft3
PM25
0.30 μg/ft3
0.26 μg/ft3
0.29 μg/ft3
0.40 μg/ft3
NO2
3.2 ppb
2.2 ppb
3.9 ppb
3 ppb
SO2
0.5 ppb
0.4 ppb
0.4 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
30.9 ppb
28.5 ppb
28.9 ppb
30.4 ppb