MRGDSITE31D Display

Data on this page extracted on April 16, 2024 at 03:00:21

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 01/12/2013 Parts Per Million ( ppm )
		<<< Hours 00-07 <<< Hours 08-15 Hours 16-23 Whole Day
Date	Day's Max	16 - 17	17 - 18	18 - 19	19 - 20	20 - 21	21 - 22	22 - 23	23 - 00
01/12	0.034	0.009	0.015	0.028	0.029	0.032	0.024	0.027	0.028
01/11	0.031	0.006	0.007	0.010	0.008	0.005	0.006	0.004	0.008
01/10	0.032		0.019	0.030	0.032	0.025	0.008	0.013	0.013
01/09	0.051	0.043	0.051	0.050	0.049	0.042	0.037	0.033	0.030
01/08	0.032	0.017	0.032	0.030	0.031	0.029	0.027	0.025	0.023
01/07	0.024	0.005	0.005	0.007	0.007	0.017	0.024	0.015	0.018
01/06	0.024	0.009	0.010	0.011	0.012	0.009	0.012	0.012	0.017
01/05	0.031	0.010	0.027	0.028	0.027	0.031	0.029	0.030	0.027
01/04	0.033	0.032	0.028	0.030	0.033	0.033	0.031	0.028	0.028
01/03	0.030	0.014	0.018	0.015	0.020	0.024	0.030	0.029	0.030
01/02	0.027	0.007	0.022	0.022	0.027	0.023	0.024	0.027	0.018
01/01	0.027	0.005	0.006	0.007	0.013	0.027	0.020	0.014	0.012
12/31	0.035	0.014	0.032	0.033	0.035	0.026	0.022	0.024	0.020
12/30	0.023	0.004	0.006	0.010	0.007	0.014	0.012	0.002	0.003
12/29	0.026	0.015	0.017	0.012	0.019	0.023	0.024	0.026	0.025
12/28	0.027	0.016	0.027	0.018	0.011	0.025	0.025	0.024	0.027
12/27	0.028	0.007	0.015	0.016	0.017	0.028	0.018	0.017	0.020
12/26	0.025	0.021	0.023	0.022	0.025	0.025	0.023	0.021	0.021
12/25	0.021	0.010	0.011	0.018	0.021	0.016	0.018	0.017	0.016
12/24	0.030	0.010	0.025	0.030	0.028	0.025	0.023	0.018	0.013
12/23	0.025	0.007	0.011	0.011	0.010	0.010	0.009	0.008	0.005
12/22	0.035	0.021	0.028	0.035	0.027	0.030	0.033	0.032	0.025
12/21	0.043	0.043	0.040	0.034	0.026	0.027	0.026	0.024	0.025
12/20	0.033	0.018	0.024	0.021	0.033	0.029	0.024	0.025	0.025
12/19	0.040	0.006	0.014	0.040	0.033	0.023	0.020	0.022	0.022
12/18	0.017	0.011	0.006	0.004	0.002	0.002	0.003	0.002
12/17	0.033	0.021	0.027	0.028	0.030	0.030	0.033	0.027	0.022
12/16	0.024	0.015	0.016	0.015	0.013	0.012	0.014	0.014	0.017
12/15	0.031	0.015	0.026	0.031	0.025	0.027	0.027	0.022	0.024
12/14	0.024	0.010	0.013	0.011	0.009	0.007	0.008	0.008	0.007
12/13	0.027	0.016	0.013	0.016	0.018	0.022	0.022	0.023	0.027

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

Decisions Pending and Opportunities for Public Participation
Conditions of Use | Privacy Policy | Accessibility
How to Request Public Records