MRGDSITE31D Display

Data on this page extracted on April 18, 2024 at 23:55:27

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov AQMIS2

31 Day Summary for Hourly Carbon Monoxide for Upland Display Ends 01/14/2013 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
01/14	0.706	0.271	0.585	0.706	0.640	0.703	0.560	0.518	0.468
01/13	0.735	0.299	0.366	0.512	0.735	0.505	0.579	0.222	0.214
01/12	0.732	0.262	0.374	0.451	0.414	0.592	0.732	0.507	0.596
01/11	0.822	0.271	0.363	0.504	0.403	0.512	0.649	0.519	0.548
01/10	0.334	0.225	0.278	0.242	0.241	0.226	0.216	0.229	0.276
01/09	1.229	0.689	0.661	0.715	0.669	0.642	0.569	0.674	0.488
01/08	1.277	0.381	0.625	0.829	0.750	0.928	0.779	0.584	0.482
01/07	0.862	0.407	0.862	0.687	0.597	0.470	0.456	0.413	0.365
01/06	0.899	0.337	0.347	0.400	0.428	0.360	0.354	0.374	0.420
01/05	1.021	0.470	0.807	0.839	0.798	0.978	1.021	0.972	0.943
01/04	1.131		0.868	0.578	0.726	0.941	1.131	0.893	0.760
01/03	1.010	0.472	1.010	0.707	0.713	0.706	0.698	0.690	0.547
01/02	1.011	0.469	1.011	0.633	0.576	0.477	0.533	0.424	0.338
01/01	1.351	0.464	1.351	0.930	0.878	0.850	0.933	0.739	0.644
12/31	0.986	0.332	0.488	0.658	0.924	0.986	0.820	0.619	0.634
12/30	0.844	0.337	0.599	0.808	0.844	0.797	0.775	0.599	0.500
12/29	0.819	0.356	0.412	0.576	0.562	0.819	0.707	0.670	0.583
12/28	0.814	0.456	0.674	0.518	0.600	0.450	0.446	0.447	0.321
12/27	1.024	0.290	0.640	0.831	0.859	0.812	0.675	0.683	0.592
12/26	0.783	0.290	0.396	0.431	0.621	0.674	0.783	0.605	0.527
12/25	0.895	0.554	0.895	0.757	0.739	0.759	0.728	0.575	0.583
12/24	0.932	0.352	0.551	0.424	0.592	0.818	0.932	0.684	0.567
12/23	0.452	0.291	0.289	0.290	0.331	0.369	0.387	0.370	0.403
12/22	0.896	0.428	0.461	0.414	0.417	0.395	0.395	0.384	0.390
12/21	1.167	1.011	1.167	0.845	0.821	1.095	1.011	0.994	0.864
12/20	1.073	0.418	0.998	0.835	0.871	0.963	0.809	0.874	0.649
12/19	0.901	0.467	0.794	0.700	0.570	0.593	0.676	0.632	0.439
12/18	0.423	0.301	0.423	0.397	0.251	0.210	0.208	0.243	0.312
12/17	0.553	0.415	0.476	0.553	0.463	0.461	0.471	0.469	0.447
12/16	0.622	0.271	0.356	0.353	0.326	0.298	0.281	0.257	0.223
12/15	0.549	0.333	0.441	0.493	0.549	0.495	0.476	0.492	0.498

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.
	Cell color is red if national 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