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Current Air Pollutant and Weather Data at Yellowstone National Park


Yellowstone National Park (Old Faithful), WY
EPA AQS Site Number: 56-039-1012


Today's Data   Ozone Data  
Air Pollutant and Weather Data Wednesday May 9, 2012
Hour
Ending
(Local Time)
Carbon
Monoxide
(parts per
million)
Particulate
Matter (PM2.5)
(micrograms per
cubic meter)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
12 AM 0.18 6.3 1.1 SE 5.7 46
1 AM 0.18 7.2 1.4 SE 4.8 49
2 AM 0.15 2.5 1.6 E 4.8 45
3 AM 0.15 4.9 1.6 SE 4.7 44
4 AM 0.16 5.0 0.8 SE 2.2 58
5 AM 0.17 4.9 1.1 S 1.3 63
6 AM 0.16 4.6 0.9 S 0.7 67
7 AM 0.17 4.7 0.9 E 0.4 68
8 AM 0.19 4.6 0.8 E 3.3 57
9 AM 0.19 0.7 0.8 NW 9.3 42
10 AM 0.19 3.4 2.6 SW 11.9 31
11 AM -- 3.2 3.8 SW 12.8 24
12 PM -- 5.2 3.3 SW 13.5 25
1 PM -- -- 4.2 SW 14.2 25
2 PM -- -- 4.7 SW 14.9 31
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updated on 05/10/2012 11:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_YEOF2.cfm   I  Email: Webmaster