MRGDSITE31D Display

Data on this page extracted on March 28, 2024 at 16:33:07

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov
AQMIS2
     
31 Day Summary for Hourly Nitrogen Dioxide
for San Bernardino-4th Street
Display Ends 01/07/2013
Parts Per Million ( ppm )
<<< Hours 00-07     Hours 08-15     Hours 16-23 >>>          Whole Day
 
Date
Day's Max
08 - 09
09 - 10
10 - 11
11 - 12
12 - 13
13 - 14
14 - 15
15 - 16
01/07
 
0.024
 
0.006
 
0.004
 
0.002
 
0.003
 
0.003
 
0.004
 
0.004
 
0.004
 
01/06
 
0.024
 
0.020
 
0.021
 
0.011
 
0.005
 
0.007
 
0.005
 
0.006
 
0.009
 
01/05
 
0.031
 
0.022
 
0.018
 
0.012
 
0.009
 
0.012
 
0.009
 
0.008
 
0.010
 
01/04
 
0.033
 
0.032
 
0.028
 
0.014
 
0.010
 
0.008
 
0.006
 
0.008
 
0.018
 
01/03
 
0.030
 
0.025
 
0.018
 
0.017
 
0.007
 
0.006
 
0.005
 
0.005
 
0.008
 
01/02
 
0.027
 
0.021
 
0.014
 
0.005
 
0.007
 
0.006
 
0.005
 
0.005
 
0.006
 
01/01
 
0.027
 
0.019
 
0.014
 
0.008
 
0.006
 
0.005
 
0.005
 
0.004
 
0.005
 
12/31
 
0.035
 
0.003
 
0.002
 
0.003
 
0.003
 
0.003
 
0.004
 
0.004
 
0.009
 
12/30
 
0.023
 
0.008
 
0.004
 
0.004
 
0.008
 
0.010
 
0.008
 
0.006
 
0.002
 
12/29
 
0.026
 
0.019
 
0.012
 
0.005
 
0.009
 
0.010
 
0.006
 
0.013
 
0.018
 
12/28
 
0.027
 
0.026
 
0.020
 
0.006
 
0.006
 
0.006
 
0.004
 
0.004
 
0.006
 
12/27
 
0.028
 
0.018
 
0.019
 
0.020
 
0.009
 
0.005
 
0.002
 
0.003
 
0.004
 
12/26
 
0.025
 
0.023
 
0.021
 
0.015
 
0.012
 
0.008
 
0.010
 
0.012
 
0.016
 
12/25
 
0.021
 
0.010
 
0.005
 
0.003
 
0.003
 
0.006
 
0.006
 
0.006
 
0.007
 
12/24
 
0.030
 
0.008
 
0.009
 
0.006
 
0.006
 
0.004
 
0.004
 
0.005
 
0.008
 
12/23
 
0.025
 
0.010
 
0.008
 
0.007
 
0.007
 
0.003
 
0.003
 
0.003
 
0.004
 
12/22
 
0.035
 
0.026
 
0.028
 
0.024
 
0.027
 
0.028
 
0.026
 
0.020
 
0.020
 
12/21
 
0.043
 
0.028
 
0.022
 
0.017
 
0.018
 
0.033
 
0.029
 
0.025
 
0.032
 
12/20
 
0.033
 
0.027
 
0.016
 
0.012
 
0.007
 
0.007
 
0.008
 
0.010
 
0.012
 
12/19
 
0.040
 
0.004
 
0.007
 
 
 
0.005
 
0.006
 
0.010
 
0.008
 
12/18
 
0.017
 
0.015
 
0.014
 
0.010
 
0.010
 
0.010
 
0.008
 
0.007
 
0.008
 
12/17
 
0.033
 
0.027
 
0.018
 
0.020
 
0.011
 
0.008
 
0.013
 
0.012
 
0.014
 
12/16
 
0.024
 
0.009
 
0.007
 
0.006
 
0.005
 
0.007
 
0.006
 
0.005
 
0.006
 
12/15
 
0.031
 
0.014
 
0.012
 
0.012
 
0.011
 
0.009
 
0.007
 
0.007
 
0.008
 
12/14
 
0.024
 
0.015
 
0.009
 
0.006
 
0.005
 
0.006
 
0.005
 
0.011
 
0.011
 
12/13
 
0.027
 
0.022
 
0.009
 
0.009
 
0.011
 
0.013
 
0.011
 
0.010
 
0.015
 
12/12
 
0.031
 
0.029
 
0.021
 
0.006
 
0.006
 
 
0.007
 
0.008
 
0.021
 
12/11
 
0.048
 
0.028
 
0.029
 
0.015
 
0.015
 
0.026
 
0.015
 
0.016
 
0.020
 
12/10
 
0.027
 
0.024
 
0.019
 
0.009
 
0.012
 
0.013
 
0.009
 
0.006
 
0.009
 
12/09
 
0.035
 
0.020
 
0.023
 
0.018
 
0.014
 
0.020
 
0.025
 
0.018
 
0.022
 
12/08
 
0.045
 
0.024
 
0.025
 
0.025
 
0.029
 
0.022
 
0.022
 
0.026
 
0.031
 
Pick Dates for Download    Get Additional Information on Site
Download Data: Quick or Select Format   
 

  Cell color is yellow if state 1-hour standard level is exceeded.  
  Hours listed are in Pacific Standard Time. Add one hour to convert to PDT.  
  Blank values indicate data not available.  
  Click on name of monitoring site to see additional information on the site.  
Change Selection
   


Air Quality and Meteorological Information (AQMIS2) Home Page
Latest Ozone Air Quality | Latest Week's Ozone | Recent Years' Ozone Air Quality
Air Quality Data | Meteorological Data | Google Map Pages | AQ Map  

preload