MRGDSITE31D Display

Data on this page extracted on April 18, 2024 at 06:33:02

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Data after 2022 may be preliminary

AQMIS data are in PST

31 Day Summary for Hourly Nitrogen Dioxide for Ontario-NW Corner I-10 and Etiwanda Ave ^NR Display Ends 03/20/2023 Parts Per Million ( ppm )
		Hours 00-07 Hours 08-15 Hours 16-23
Date	Day's Max	00 - 01	01 - 02	02 - 03	03 - 04	04 - 05	05 - 06	06 - 07	07 - 08	08 - 09	09 - 10	10 - 11	11 - 12	12 - 13	13 - 14	14 - 15	15 - 16	16 - 17	17 - 18	18 - 19	19 - 20	20 - 21	21 - 22	22 - 23	23 - 00
03/20	0.031	0.005	0.006	0.011	0.011	0.015	0.029	0.031	0.025	0.025	0.025	0.024	0.020	0.023	0.019	0.016	0.018	0.017	0.021	0.022	0.021	0.013	0.021	0.017	0.017
03/19	0.033	0.030	0.021	0.030	0.030	0.026	0.033	0.018	0.012	0.009	0.009	0.015	0.012	0.015	0.007	0.004	0.004	0.007	0.008	0.012	0.006	0.006	0.007	0.006	0.005
03/18	0.039	0.007	0.003	0.005	0.021	0.009	0.006	0.005	0.031	0.022	0.014	0.011	0.007	0.006	0.008	0.006	0.006	0.016	0.020	0.023	0.027	0.033	0.039	0.025	0.020
03/17	0.046	0.034	0.030	0.028	0.024	0.025	0.026	0.027	0.032	0.032	0.029	0.031	0.033	0.032	0.027	0.022	0.024	0.022	0.017	0.033	0.039	0.046	0.027	0.004	0.004
03/16	0.031	0.019	0.010	0.008	0.014	0.026	0.031	0.027	0.015	0.017	0.024	0.026	0.021	0.024	0.022	0.010	0.017	0.010	0.024	0.021	0.022	0.030	0.030	0.031	0.030
03/15	0.023	0.023	0.015	0.009	0.018	0.019	0.017	0.019	0.017	0.022	0.016	0.009	0.014	0.011	0.013	0.014	0.017	0.020	0.017	0.017	0.022	0.019	0.013	0.017	0.009
03/14	0.036	0.026	0.028	0.028	0.026	0.027	0.024	0.025	0.028	0.036	0.033	0.030	0.031	0.025	0.008	0.013	0.017	0.010	0.022	0.014	0.023	0.022	0.022	0.018	0.013
03/13	0.030	0.013	0.012	0.016	0.019	0.023	0.024	0.030	0.025	0.022	0.022	0.018	0.017	0.018	0.020	0.018	0.020	0.023	0.023	0.029	0.027	0.026	0.027	0.020	0.024
03/12	0.018	0.009	0.012	0.013	0.010	0.012	0.015	0.017	0.015	0.011	0.010	0.008	0.008	0.008	0.008	0.008	0.009	0.011	0.011	0.011	0.011	0.018	0.014	0.014	0.014
03/11	0.023	0.015	0.012	0.015	0.023	0.018	0.018	0.023	0.016	0.018	0.013	0.011	0.016	0.012	0.012	0.011	0.009	0.008	0.011	0.010	0.010	0.008	0.009	0.010	0.009
03/10	0.042	0.032	0.036	0.040	0.037	0.042	0.017	0.026	0.016	0.014	0.018	0.016	0.017	0.014	0.013	0.018	0.021	0.023	0.021	0.018	0.023	0.021	0.013	0.014	0.014
03/09	0.042	0.032	0.037	0.034	0.035	0.031	0.030	0.029	0.025	0.022	0.028				0.024	0.023	0.022	0.028	0.038	0.038	0.035	0.042	0.040	0.031	0.029
03/08	0.040	0.031	0.029	0.027	0.029	0.030	0.036	0.032	0.028	0.032	0.024	0.020	0.019	0.019	0.018	0.021	0.020	0.021	0.023	0.030	0.030	0.035	0.037	0.040	0.032
03/07	0.044	0.023	0.021	0.025	0.027	0.034	0.036	0.044	0.044	0.032	0.026	0.021	0.015	0.013	0.014	0.016	0.018	0.022	0.026	0.026	0.029	0.033	0.032	0.034	0.037
03/06	0.034	0.012	0.016	0.017	0.017	0.024	0.027	0.028	0.025	0.023	0.024	0.019	0.019	0.019	0.025	0.026	0.025	0.029	0.026	0.029	0.029	0.034	0.033	0.030	0.023
03/05	0.027	0.021	0.017	0.019	0.019	0.019	0.022	0.027	0.023	0.012	0.008	0.009	0.013	0.011	0.009	0.009	0.011	0.009	0.012	0.012	0.012	0.013	0.012	0.013	0.012
03/04	0.033	0.031	0.027	0.028	0.029	0.025	0.025	0.024	0.033	0.027	0.012	0.012	0.014	0.011	0.011	0.010	0.010	0.013	0.014	0.017	0.015	0.013	0.016	0.017	0.019
03/03	0.039	0.038	0.031	0.028	0.026	0.025	0.025	0.030	0.038	0.038	0.036	0.026	0.020	0.018	0.025	0.025	0.024	0.027	0.028	0.035	0.024	0.036	0.039	0.039	0.029
03/02	0.041	0.031	0.027	0.026	0.031	0.034	0.035	0.038	0.041	0.041	0.033	0.024	0.021	0.023	0.020	0.021	0.022	0.023	0.027	0.031	0.037	0.038	0.038	0.021	0.034
03/01	0.032	0.009	0.008	0.021	0.018	0.015	0.013	0.018	0.021	0.019	0.021	0.021	0.020	0.022	0.021	0.016	0.011	0.019	0.017	0.013	0.016	0.027	0.028	0.029	0.032
02/28	0.029	0.018	0.010	0.027	0.027	0.029	0.027	0.028	0.029	0.026	0.026	0.019	0.022	0.024	0.025	0.022	0.021	0.020	0.016	0.017	0.016	0.018	0.020	0.017	0.017
02/27	0.037	0.035	0.032	0.027	0.030	0.030	0.036	0.037	0.036	0.037	0.026	0.025	0.021	0.017	0.011	0.014	0.017	0.026	0.033	0.033	0.025	0.029	0.027	0.028	0.022
02/26	0.033	0.006	0.006	0.006	0.006	0.007	0.018	0.021	0.020	0.017	0.011	0.009	0.010	0.008	0.012	0.012	0.015	0.020	0.022	0.023	0.022	0.030	0.031	0.029	0.033
02/25	0.019	0.004	0.003	0.007	0.013	0.005	0.013	0.013	0.013	0.008	0.019	0.008	0.011	0.011	0.006	0.006	0.007	0.008	0.007	0.010	0.008	0.008	0.009	0.005	0.006
02/24	0.030	0.011	0.008	0.014	0.015	0.015	0.020	0.028	0.025	0.021	0.023	0.021	0.021	0.018	0.014	0.022	0.030	0.021	0.023	0.020	0.016	0.010	0.008	0.006	0.006
02/23	0.034	0.016	0.018	0.020	0.021	0.027	0.027	0.027	0.030	0.024	0.025	0.023	0.024	0.016	0.014	0.019	0.024	0.017	0.018	0.023	0.029	0.027	0.034	0.028	0.027
02/22	0.035	0.013	0.011	0.017	0.022	0.027	0.030	0.035	0.032	0.025	0.017	0.020	0.019	0.018	0.019	0.014	0.009	0.015	0.010	0.019	0.017	0.018	0.022	0.021	0.017
02/21	0.046	0.039	0.040	0.037	0.034	0.033	0.035	0.039	0.041	0.046	0.042	0.038	0.028	0.024	0.023	0.018	0.017	0.016	0.018	0.019	0.015	0.015	0.011	0.008	0.007
02/20	0.053	0.036	0.033	0.027	0.027	0.034	0.039	0.037	0.035	0.029	0.029	0.032	0.034	0.027	0.020	0.023	0.028	0.029	0.033	0.036	0.045	0.050	0.050	0.053	0.044
02/19	0.036	0.034	0.032	0.030	0.030	0.030	0.035	0.028	0.024	0.029	0.025	0.020	0.016	0.015	0.015	0.015	0.014	0.015	0.017	0.020	0.011	0.026	0.035	0.036	0.034
02/18	0.040	0.038	0.035	0.035	0.033	0.034	0.035	0.037	0.034	0.040	0.032	0.025	0.015	0.016	0.016	0.014	0.008	0.016	0.027	0.027	0.038	0.034	0.039	0.039	0.036

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