MRGDSITE31D Display

Data on this page extracted on April 19, 2024 at 03:01:29

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 02/22/2013
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
02/22
 
0.549
 
0.407
 
0.355
 
0.317
 
 
0.305
 
0.289
 
0.303
 
0.281
 
02/21
 
0.380
 
0.380
 
0.291
 
0.293
 
0.229
 
0.223
 
0.214
 
0.219
 
0.213
 
02/20
 
0.322
 
 
 
 
 
 
 
 
0.217
 
02/19
 
0.360
 
0.297
 
0.258
 
0.250
 
0.253
 
0.220
 
0.236
 
0.274
 
0.218
 
02/18
 
0.418
 
0.285
 
0.270
 
0.265
 
0.261
 
0.268
 
0.263
 
0.254
 
0.256
 
02/17
 
0.503
 
0.303
 
0.296
 
0.284
 
0.248
 
0.243
 
0.238
 
0.235
 
0.250
 
02/16
 
0.609
 
0.392
 
0.422
 
0.435
 
0.381
 
0.370
 
0.348
 
0.335
 
0.340
 
02/15
 
0.691
 
0.620
 
0.626
 
0.307
 
0.291
 
0.295
 
0.329
 
0.316
 
0.320
 
02/14
 
0.807
 
0.757
 
0.276
 
0.260
 
0.259
 
0.247
 
0.247
 
0.250
 
0.262
 
02/13
 
0.721
 
0.580
 
0.507
 
0.408
 
0.299
 
0.227
 
0.270
 
0.309
 
0.299
 
02/12
 
0.616
 
0.616
 
0.604
 
0.498
 
0.339
 
0.279
 
0.265
 
0.251
 
0.246
 
02/11
 
0.890
 
0.890
 
0.561
 
0.362
 
 
0.175
 
0.159
 
0.164
 
0.164
 
02/10
 
0.612
 
0.390
 
0.411
 
0.357
 
0.348
 
0.344
 
0.330
 
0.319
 
0.304
 
02/09
 
0.403
 
0.323
 
0.299
 
0.280
 
0.254
 
0.240
 
0.239
 
0.245
 
0.243
 
02/08
 
0.594
 
0.546
 
0.447
 
0.372
 
0.299
 
0.296
 
0.295
 
0.308
 
0.279
 
02/07
 
0.366
 
0.246
 
0.332
 
0.328
 
0.315
 
0.301
 
0.301
 
0.288
 
0.303
 
02/06
 
0.417
 
0.401
 
0.291
 
0.302
 
0.329
 
0.341
 
0.313
 
0.316
 
0.301
 
02/05
 
0.458
 
0.239
 
0.257
 
0.263
 
0.267
 
0.270
 
0.275
 
0.276
 
0.303
 
02/04
 
0.652
 
0.497
 
0.429
 
0.439
 
0.406
 
0.433
 
0.475
 
0.474
 
0.547
 
02/03
 
0.496
 
0.270
 
0.266
 
0.265
 
0.252
 
0.253
 
0.270
 
0.304
 
0.311
 
02/02
 
0.667
 
0.592
 
0.518
 
0.520
 
0.388
 
0.321
 
0.319
 
0.315
 
0.300
 
02/01
 
0.903
 
0.850
 
0.903
 
0.407
 
0.328
 
0.309
 
0.309
 
0.295
 
0.298
 
01/31
 
0.687
 
0.545
 
0.630
 
0.687
 
0.431
 
0.389
 
0.339
 
0.305
 
0.341
 
01/30
 
0.856
 
0.696
 
0.856
 
0.312
 
0.217
 
0.209
 
0.223
 
0.227
 
0.227
 
01/29
 
0.541
 
0.311
 
0.220
 
0.217
 
0.221
 
0.179
 
0.176
 
0.213
 
0.201
 
01/28
 
0.360
 
0.360
 
0.242
 
0.246
 
0.210
 
0.193
 
0.205
 
0.221
 
0.197
 
01/27
 
0.353
 
0.257
 
0.279
 
0.265
 
0.252
 
0.243
 
0.241
 
0.237
 
0.234
 
01/26
 
0.509
 
0.450
 
0.419
 
0.398
 
0.340
 
0.321
 
0.326
 
0.339
 
0.335
 
01/25
 
1.116
 
0.924
 
0.868
 
0.785
 
0.628
 
0.421
 
0.392
 
0.387
 
0.396
 
01/24
 
0.926
 
 
 
 
 
 
 
 
0.375
 
01/23
 
1.217
 
0.950
 
1.003
 
1.093
 
1.217
 
1.012
 
0.834
 
0.853
 
0.792
 
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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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