Steder i nærheten
Keystone, Nebraska, forente stater
Broganville, Nebraska, forente stater
Keith County, Nebraska, forente stater
Nærliggende steder
Lake Ogallala State Recreation Area, forente stater
Ogallala Lake, forente stater
Spillway Park, forente stater

Luftkvalitet i Keystone, Nebraska, forente stater

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Forurensende stoffer i Keystone, forente stater

PM10
0.15 μg/ft3
PM25
0.12 μg/ft3
NO2
2.1 ppb
SO2
0.2 ppb
CO
0.1 ppb
O3
Primær forurensningsstoff
23 ppb
Lav risikoHøy risiko

Pollenindeks i Keystone, forente stater

Tre
0/5
012345
Ugress
0/5
012345
Gress
0/5
012345

Luftkvalitetsvarsel i Keystone, forente stater

tor. 3. april
MorgenMiddagstidKveldNatt
Luftkvalitetindeks
32
37
43
43
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.08 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
PM25
0.08 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
NO2
1.2 ppb
0.7 ppb
0.9 ppb
1 ppb
SO2
N/A
0.3 ppb
0.3 ppb
0.3 ppb
CO
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
34.8 ppb
40.2 ppb
46 ppb
45.9 ppb
Luftkvalitetindeks
32
39
47
45
Pollen

Tre

0
0
0
0

Ugress

0
0
0
0

Gress

0
0
0
0
PM10
0.19 μg/ft3
0.25 μg/ft3
0.31 μg/ft3
0.35 μg/ft3
PM25
0.16 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.23 μg/ft3
NO2
2.4 ppb
0.4 ppb
0.6 ppb
5 ppb
SO2
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
32.8 ppb
42.3 ppb
50.8 ppb
34.9 ppb