MRGDSITE31D Display

Data on this page extracted on March 29, 2024 at 05:59:33

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov
AQMIS2
     
31 Day Summary for Hourly Carbon Monoxide
for Napa-Jefferson Avenue
Display Ends 02/01/2013
Parts Per Million ( ppm )
Hours 00-07     Hours 08-15 >>>      Hours 16-23 >>>          Whole Day
 
Date
Day's Max
00 - 01
01 - 02
02 - 03
03 - 04
04 - 05
05 - 06
06 - 07
07 - 08
02/01
 
1.623
 
0.748
 
0.759
 
0.731
 
 
0.658
 
0.733
 
1.137
 
1.500
 
01/31
 
1.314
 
0.720
 
0.684
 
 
0.707
 
0.693
 
0.730
 
0.841
 
0.854
 
01/30
 
1.800
 
1.234
 
1.063
 
1.135
 
 
0.685
 
0.832
 
1.153
 
1.800
 
01/29
 
1.661
 
1.053
 
0.985
 
0.825
 
 
0.676
 
0.678
 
1.087
 
1.661
 
01/28
 
1.870
 
0.581
 
0.576
 
0.541
 
 
0.505
 
0.681
 
1.171
 
1.870
 
01/27
 
1.043
 
0.617
 
0.600
 
0.691
 
 
0.543
 
0.513
 
0.568
 
0.842
 
01/26
 
0.856
 
0.856
 
0.809
 
0.812
 
 
0.665
 
0.624
 
0.592
 
0.573
 
01/25
 
0.966
 
0.737
 
0.810
 
0.714
 
 
0.618
 
0.623
 
0.833
 
0.942
 
01/24
 
1.016
 
0.561
 
0.507
 
 
0.479
 
0.525
 
0.538
 
0.656
 
0.728
 
01/23
 
1.205
 
0.542
 
0.492
 
0.490
 
 
0.416
 
0.486
 
0.654
 
0.979
 
01/22
 
1.764
 
1.095
 
0.931
 
0.804
 
 
0.602
 
0.667
 
1.141
 
1.764
 
01/21
 
1.592
 
0.563
 
0.568
 
0.481
 
 
0.552
 
0.665
 
1.006
 
1.440
 
01/20
 
1.734
 
0.999
 
0.798
 
0.698
 
 
0.520
 
0.461
 
0.759
 
0.948
 
01/19
 
1.571
 
0.871
 
0.780
 
0.695
 
 
0.435
 
0.418
 
1.120
 
1.067
 
01/18
 
1.543
 
0.770
 
0.657
 
0.682
 
 
0.611
 
0.817
 
1.370
 
1.391
 
01/17
 
1.407
 
0.645
 
0.753
 
 
0.648
 
0.633
 
0.743
 
1.135
 
1.157
 
01/16
 
1.529
 
0.914
 
0.773
 
0.883
 
 
0.681
 
0.687
 
0.891
 
1.393
 
01/15
 
1.325
 
0.986
 
0.622
 
0.664
 
 
0.540
 
0.634
 
1.015
 
1.295
 
01/14
 
1.266
 
0.258
 
0.252
 
0.257
 
 
0.243
 
0.260
 
0.418
 
 
01/13
 
1.111
 
0.895
 
0.986
 
0.968
 
 
1.007
 
0.907
 
1.054
 
1.111
 
01/12
 
1.317
 
0.465
 
0.367
 
0.356
 
 
0.345
 
0.460
 
0.738
 
1.317
 
01/11
 
1.303
 
1.263
 
1.303
 
1.274
 
 
0.911
 
0.978
 
1.149
 
1.242
 
01/10
 
1.589
 
0.618
 
0.623
 
 
0.672
 
0.609
 
0.726
 
0.911
 
1.507
 
01/09
 
1.100
 
0.733
 
0.659
 
0.567
 
 
0.548
 
0.621
 
0.910
 
1.100
 
01/08
 
1.303
 
1.303
 
0.968
 
1.042
 
 
0.599
 
0.581
 
0.602
 
0.694
 
01/07
 
1.718
 
0.809
 
0.593
 
0.632
 
 
0.551
 
0.623
 
0.817
 
0.947
 
01/06
 
1.479
 
0.411
 
0.368
 
0.369
 
 
0.323
 
0.322
 
0.361
 
0.410
 
01/05
 
0.877
 
0.634
 
0.608
 
0.598
 
 
0.631
 
0.609
 
0.601
 
0.485
 
01/04
 
1.338
 
0.997
 
0.931
 
0.768
 
 
0.765
 
0.785
 
 
 
01/03
 
1.548
 
0.625
 
0.491
 
 
0.393
 
0.470
 
0.542
 
0.748
 
1.055
 
01/02
 
1.905
 
0.618
 
0.487
 
0.584
 
 
0.635
 
0.621
 
0.708
 
1.302
 
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
   


Air Quality and Meteorological Information (AQMIS2) Home Page
Latest Ozone Air Quality | Latest Week's Ozone | Recent Years' Ozone Air Quality
Air Quality Data | Meteorological Data | Google Map Pages | AQ Map  

preload