NOx and Ozone Air Quality
Monitoring Station

Today's Current
Meteorology
08/27/2014 4:00 PM
Temp
63 °F
Humidity
38 %
Wind Speed
7 mph
Wind Direction
NW
Precip 1 Hour
0.00 in
Display units in: Standard »   Metric »
Data Disclaimer »
Today's Current
Meteorology
08/27/2014 4:00 PM
Temp
17 °C
Humidity
38 %
Wind Speed
3 m/s
Wind Direction
305 °
Precip 1 Hour
0.00 mm
Display units in: Standard »   Metric »
Data Disclaimer »

Location: Shamrock

Yesterday's Concentrations and Meteorology Data

Yesterday's 24-hour Meteorology
MIN MAX AVG
1-hr 1-hr 24-hr
Temperature (F) 51 67 59
Humidity (%) 41 96 60
Wind Speed (mph) 1 7 2
Precipitation (in) 0.00 0.20 Total: 0.29
Yesterday's 24-hour Concentrations
MIN MAX AVG
1-hr 1-hr 24-hr
NO2 (ppb) 0 2 1
NO (ppb) 0 42 0
8-hr 8-hr 24-hr
O3 (ppb) 20 51 34
W126 N100
O3 Summary [Details]
National Ambient Air
Quality Standards
Criteria
Pollutant
Average
Time
Maximum
Allowed
Nitrogen
  Dioxide (NO2)
Annual
1-hour
53 ppb
100 ppb
Nitrogen
  Oxide (NO)
No National Standard
Ozone (O3)
8-hour
1-hour
75 ppb
120 ppb

The Shamrock air quality monitoring instrumentation and its operation are designed to follow EPA guidelines for monitoring, including 40CFR50, 40CFR53, and 40 CFR58

Historical data can be downloaded from EPA's Air Quality System (AQS)