MRGDSITE31D Display

Data on this page extracted on March 28, 2024 at 06:14:05

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov
AQMIS2
     
31 Day Summary for Hourly Carbon Monoxide
for San Francisco-Arkansas Street
Display Ends 02/03/2013
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
02/03
 
0.581
 
0.376
 
0.340
 
0.336
 
0.358
 
0.367
 
0.372
 
0.381
 
0.392
 
02/02
 
0.492
 
0.436
 
0.425
 
0.462
 
0.492
 
0.450
 
0.459
 
0.445
 
0.477
 
02/01
 
0.988
 
0.691
 
0.668
 
0.596
 
0.564
 
0.567
 
0.535
 
0.459
 
0.457
 
01/31
 
1.011
 
0.619
 
0.574
 
0.526
 
0.512
 
0.542
 
0.535
 
0.561
 
0.497
 
01/30
 
1.437
 
1.313
 
0.894
 
0.626
 
0.584
 
0.376
 
0.416
 
0.482
 
0.519
 
01/29
 
1.088
 
0.559
 
0.429
 
0.347
 
0.343
 
0.362
 
0.365
 
0.332
 
0.355
 
01/28
 
0.460
 
0.393
 
0.362
 
0.360
 
0.316
 
0.304
 
0.302
 
0.314
 
0.346
 
01/27
 
0.336
 
0.255
 
0.241
 
0.241
 
0.254
 
0.283
 
0.270
 
0.261
 
0.284
 
01/26
 
0.398
 
0.264
 
0.281
 
0.267
 
0.266
 
0.280
 
0.265
 
0.260
 
0.280
 
01/25
 
0.764
 
0.764
 
0.663
 
0.436
 
0.417
 
0.453
 
0.391
 
0.341
 
0.350
 
01/24
 
0.670
 
0.561
 
0.478
 
0.423
 
0.400
 
0.351
 
0.390
 
0.388
 
0.457
 
01/23
 
0.872
 
 
0.724
 
0.838
 
0.739
 
0.673
 
0.838
 
0.741
 
0.813
 
01/22
 
1.324
 
0.877
 
0.603
 
0.491
 
0.579
 
0.446
 
0.407
 
0.482
 
0.588
 
01/21
 
1.338
 
0.740
 
0.454
 
0.408
 
0.399
 
0.415
 
0.412
 
0.400
 
0.447
 
01/20
 
0.936
 
0.555
 
0.428
 
0.404
 
0.407
 
0.399
 
0.378
 
0.338
 
0.328
 
01/19
 
0.836
 
0.472
 
0.478
 
0.364
 
0.343
 
0.376
 
0.326
 
0.287
 
0.316
 
01/18
 
1.226
 
 
 
0.505
 
0.484
 
0.450
 
0.428
 
0.378
 
0.444
 
01/17
 
1.416
 
1.171
 
0.632
 
0.585
 
0.571
 
0.546
 
0.588
 
0.612
 
0.684
 
01/16
 
1.086
 
0.629
 
0.648
 
0.598
 
0.573
 
0.591
 
0.502
 
0.505
 
0.576
 
01/15
 
1.064
 
0.766
 
0.611
 
0.495
 
0.464
 
0.426
 
0.359
 
0.322
 
0.373
 
01/14
 
0.764
 
0.322
 
0.336
 
0.315
 
0.292
 
0.295
 
0.304
 
0.265
 
0.293
 
01/13
 
0.439
 
0.319
 
0.321
 
0.269
 
0.248
 
0.295
 
0.324
 
0.326
 
0.302
 
01/12
 
0.697
 
0.389
 
0.305
 
0.271
 
0.271
 
0.250
 
0.250
 
0.253
 
0.266
 
01/11
 
0.609
 
0.609
 
0.345
 
0.393
 
0.408
 
0.323
 
0.292
 
0.308
 
0.295
 
01/10
 
0.404
 
0.348
 
0.304
 
0.272
 
0.262
 
0.249
 
0.256
 
0.258
 
0.267
 
01/09
 
0.855
 
0.855
 
0.571
 
0.715
 
0.589
 
0.437
 
0.292
 
0.304
 
0.314
 
01/08
 
1.040
 
 
0.620
 
0.527
 
0.410
 
0.487
 
0.404
 
0.393
 
0.474
 
01/07
 
1.452
 
0.919
 
0.729
 
0.745
 
0.746
 
0.653
 
0.635
 
0.682
 
0.773
 
01/06
 
0.873
 
0.452
 
0.442
 
0.443
 
0.478
 
0.461
 
0.439
 
0.445
 
0.478
 
01/05
 
0.873
 
0.832
 
0.753
 
0.661
 
0.596
 
0.604
 
0.604
 
0.594
 
0.629
 
01/04
 
1.023
 
0.630
 
0.593
 
0.525
 
0.547
 
0.558
 
0.516
 
0.523
 
0.567
 
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  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.  
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