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Transportation Air Quality Facts and Figures January 2006

VOC, NOx, and CO by Variable Speeds

VOC
Summer Freeway
 102030405060
20001.4261.0130.9020.8450.8240.815
19904.2712.9882.562.3092.1772.072
198011.1397.4976.2515.5065.1014.745
197015.37110.2568.4647.4076.8396.333
Arterial
 102030405060
20001.4891.0440.8910.8290.8070.796
19904.3323.0152.5462.2892.1612.059
198011.1717.5116.2245.4685.0784.741
197015.36610.2448.4457.3736.8276.351
Nox
Freeway summer
 102030405060
20003.3122.8032.6972.742.9943.605
19904.6563.8363.6463.74.0875.07
19807.3426.1465.875.9196.3947.672
19707.6156.3796.1056.1516.617.863
Arterial
 102030405060
20003.1242.5442.3412.3642.5733.012
19904.8763.953.6233.6473.964.659
19807.7146.3645.8835.8836.2597.162
197086.6146.1226.1156.4777.361
CO
winter-free
 102030405060
1970150.272116.763109.548107.661109.193112.793
1980126.127100.60394.84194.38696.976101.473
199076.74362.54859.30759.82762.37266.066
200041.87234.91833.42434.33936.49336.209
CO
winter-art
 102030405060
200041.91134.41932.26933.15435.14537.456
199077.49462.81558.21458.63860.94163.959
1980128.898102.56993.94393.23995.51599.02
1970155.724120.6108.762106.432107.692110.321

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Updated: 07/06/2011
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