MRGDSITE31D Display

Data on this page extracted on March 28, 2024 at 19:07:24

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 04/24/2013
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
04/24
 
0.467
 
0.322
 
0.315
 
0.294
 
0.291
 
0.288
 
0.309
 
0.282
 
0.271
 
04/23
 
0.503
 
0.304
 
0.297
 
0.276
 
0.307
 
0.297
 
0.288
 
0.248
 
0.238
 
04/22
 
1.234
 
0.340
 
0.327
 
0.338
 
0.348
 
0.346
 
0.397
 
0.360
 
0.358
 
04/21
 
0.721
 
0.494
 
0.530
 
0.539
 
0.550
 
0.547
 
0.538
 
0.603
 
0.665
 
04/20
 
0.793
 
0.428
 
0.423
 
0.488
 
0.514
 
0.464
 
0.453
 
0.398
 
0.420
 
04/19
 
0.847
 
0.487
 
0.462
 
0.501
 
0.497
 
0.461
 
0.495
 
0.471
 
0.462
 
04/18
 
1.151
 
0.462
 
0.458
 
0.525
 
0.526
 
0.516
 
0.542
 
0.523
 
0.546
 
04/17
 
0.698
 
0.441
 
0.413
 
0.459
 
0.495
 
0.570
 
0.515
 
0.559
 
0.698
 
04/16
 
0.897
 
0.426
 
0.422
 
0.441
 
0.454
 
0.635
 
0.505
 
0.426
 
0.378
 
04/15
 
0.531
 
0.367
 
0.370
 
0.368
 
0.383
 
0.377
 
0.368
 
0.411
 
0.385
 
04/14
 
0.499
 
0.350
 
0.358
 
0.353
 
0.377
 
0.362
 
0.352
 
0.359
 
0.367
 
04/13
 
0.449
 
0.369
 
0.375
 
0.371
 
0.367
 
0.384
 
0.449
 
0.416
 
0.386
 
04/12
 
0.581
 
0.420
 
0.403
 
0.389
 
0.379
 
0.368
 
0.387
 
0.395
 
0.520
 
04/11
 
0.600
 
0.416
 
0.414
 
0.417
 
0.403
 
0.426
 
0.432
 
0.456
 
0.356
 
04/10
 
1.197
 
0.408
 
0.383
 
0.374
 
0.336
 
0.336
 
0.370
 
0.325
 
0.299
 
04/09
 
0.707
 
0.466
 
0.477
 
0.466
 
0.532
 
0.641
 
0.533
 
0.707
 
0.528
 
04/08
 
0.456
 
0.379
 
0.364
 
0.388
 
0.434
 
0.456
 
0.363
 
0.398
 
0.354
 
04/07
 
0.334
 
0.307
 
0.309
 
0.301
 
0.312
 
0.334
 
0.306
 
0.289
 
0.279
 
04/06
 
0.385
 
0.303
 
0.311
 
0.301
 
0.305
 
0.295
 
0.307
 
0.301
 
0.292
 
04/05
 
0.425
 
0.317
 
0.344
 
0.332
 
0.304
 
0.314
 
0.305
 
0.315
 
0.313
 
04/04
 
0.402
 
0.320
 
0.338
 
0.336
 
0.317
 
0.327
 
0.330
 
0.312
 
0.318
 
04/03
 
0.471
 
0.354
 
0.334
 
0.317
 
0.339
 
0.352
 
0.375
 
0.301
 
0.294
 
04/02
 
0.535
 
0.339
 
0.319
 
0.313
 
0.307
 
0.280
 
0.277
 
0.291
 
0.313
 
04/01
 
0.408
 
0.300
 
0.305
 
0.322
 
0.334
 
0.323
 
0.301
 
0.311
 
0.291
 
03/31
 
0.414
 
0.265
 
0.268
 
0.270
 
0.281
 
0.274
 
0.272
 
0.290
 
0.288
 
03/30
 
0.386
 
0.298
 
0.338
 
0.346
 
0.386
 
0.323
 
0.325
 
0.307
 
0.264
 
03/29
 
0.464
 
0.464
 
0.448
 
0.460
 
0.375
 
0.377
 
0.336
 
0.352
 
0.327
 
03/28
 
0.531
 
0.348
 
0.349
 
0.358
 
0.357
 
0.346
 
0.337
 
0.395
 
0.340
 
03/27
 
0.517
 
0.447
 
0.450
 
0.446
 
0.417
 
0.421
 
0.435
 
0.425
 
0.415
 
03/26
 
0.443
 
0.395
 
0.392
 
0.369
 
0.373
 
0.371
 
0.385
 
0.364
 
0.414
 
03/25
 
0.485
 
0.377
 
0.371
 
0.357
 
0.371
 
0.362
 
0.343
 
0.330
 
0.325
 
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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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