MRGDSITE31D Display

Data on this page extracted on March 28, 2024 at 13:24:11

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov
AQMIS2
     
31 Day Summary for Hourly Carbon Monoxide
for Concord-2956-A Treat Blvd
Display Ends 01/31/2013
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
01/31
 
0.687
 
0.360
 
0.397
 
0.463
 
0.410
 
0.436
 
0.447
 
0.441
 
0.488
 
01/30
 
0.856
 
0.253
 
0.400
 
0.475
 
0.356
 
0.344
 
0.369
 
0.468
 
0.533
 
01/29
 
0.541
 
0.202
 
0.298
 
0.362
 
0.274
 
0.400
 
0.417
 
0.449
 
0.541
 
01/28
 
0.360
 
0.193
 
0.222
 
0.235
 
0.245
 
0.250
 
0.268
 
0.273
 
0.230
 
01/27
 
0.353
 
0.235
 
0.269
 
0.312
 
0.322
 
0.306
 
0.330
 
0.326
 
0.291
 
01/26
 
0.509
 
0.334
 
0.352
 
0.352
 
0.357
 
0.362
 
0.368
 
0.349
 
0.345
 
01/25
 
1.116
 
0.396
 
0.464
 
0.595
 
0.600
 
0.664
 
0.432
 
0.536
 
0.448
 
01/24
 
0.926
 
0.417
 
0.489
 
0.639
 
0.700
 
0.730
 
0.797
 
0.881
 
0.926
 
01/23
 
1.217
 
0.571
 
0.555
 
0.773
 
0.835
 
0.869
 
0.844
 
0.608
 
0.482
 
01/22
 
0.894
 
0.633
 
0.738
 
0.837
 
0.657
 
0.691
 
0.714
 
0.734
 
0.710
 
01/21
 
0.719
 
0.305
 
0.343
 
0.575
 
0.475
 
0.464
 
0.420
 
0.491
 
0.498
 
01/20
 
0.668
 
0.268
 
0.431
 
0.297
 
0.345
 
0.492
 
0.644
 
0.668
 
0.563
 
01/19
 
0.651
 
0.308
 
0.279
 
0.371
 
0.398
 
0.369
 
0.522
 
0.575
 
0.651
 
01/18
 
0.893
 
0.295
 
0.429
 
0.509
 
0.635
 
0.525
 
0.469
 
0.521
 
0.515
 
01/17
 
0.846
 
0.305
 
0.548
 
0.563
 
0.436
 
0.606
 
0.508
 
0.531
 
0.398
 
01/16
 
1.099
 
0.420
 
0.495
 
0.538
 
0.450
 
0.574
 
0.645
 
0.505
 
0.449
 
01/15
 
0.850
 
0.347
 
0.464
 
0.643
 
0.696
 
0.540
 
0.486
 
0.470
 
0.495
 
01/14
 
1.141
 
0.252
 
0.343
 
0.664
 
1.141
 
0.743
 
0.481
 
0.554
 
0.817
 
01/13
 
0.782
 
0.239
 
0.300
 
0.500
 
0.673
 
0.782
 
0.757
 
0.631
 
0.244
 
01/12
 
0.612
 
0.271
 
0.310
 
0.307
 
0.436
 
0.550
 
0.612
 
0.508
 
0.353
 
01/11
 
0.472
 
0.258
 
0.318
 
0.394
 
0.452
 
0.369
 
0.363
 
0.472
 
0.442
 
01/10
 
0.356
 
0.230
 
0.275
 
0.265
 
0.245
 
0.233
 
0.235
 
0.227
 
0.265
 
01/09
 
0.573
 
0.250
 
0.245
 
0.248
 
0.250
 
0.254
 
0.229
 
0.240
 
0.223
 
01/08
 
0.898
 
0.615
 
0.675
 
0.898
 
0.648
 
0.563
 
0.667
 
0.561
 
0.561
 
01/07
 
1.123
 
0.510
 
0.662
 
0.664
 
0.844
 
0.795
 
0.770
 
0.809
 
0.894
 
01/06
 
0.642
 
0.386
 
0.399
 
0.343
 
0.374
 
0.410
 
0.415
 
0.596
 
0.642
 
01/05
 
0.749
 
0.535
 
0.553
 
0.572
 
0.570
 
0.512
 
0.475
 
0.372
 
0.342
 
01/04
 
0.809
 
0.350
 
0.421
 
0.568
 
0.442
 
0.482
 
0.668
 
0.742
 
0.668
 
01/03
 
0.808
 
0.424
 
0.567
 
0.808
 
0.723
 
0.644
 
0.542
 
0.704
 
0.561
 
01/02
 
0.636
 
0.346
 
0.500
 
0.475
 
0.495
 
0.448
 
0.439
 
0.575
 
0.636
 
01/01
 
0.707
 
0.218
 
0.299
 
0.433
 
0.315
 
0.456
 
0.396
 
0.510
 
0.598
 
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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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