·Procedures of Examination & Approval on Reports Concerning Environmental Impacts from Constructional Projects
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  Daily Report of Air Quality 2008-7-18
egion API air quality Prominent pollutant
xiangzhou 31 nothing
jida 26 nothing
qianshang 33 nothing
tangjia 29 nothing
average 30 nothing

Excellent 

Good Slightly polluted

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  Air Quality Forecasting 2008-7-19
egion API air quality Prominent pollutant
xiangzhou   25~45 nothing  
jida   19~39 nothing  
qianshang   26~46 nothing  
tangjia   23~43 nothing  
average   23~43 nothing  

Excellent 

Good Slightly polluted
   
   
   
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Dynamic Statistics Of Air Quality

Stat Time2002-01-01至2008-7-18

API 0-50 51-100 101-150 151-200 total days  average API
Air quality Description Excellent Good Slightly polluted Light polluted 
Stat Units days(percent) days(percent) days(percent) days(percent)
xiangzhou
1494 (63.04%) 876 (36.96%) 0 (0.00%) 0 (0.00%) 2370  44.8 
jida
1614 (68.10%) 756 (31.90%) 0 (0.00%) 0 (0.00%) 2370  40.7 
qianshan
1486 (62.70%) 884 (37.30%) 0 (0.00%) 0 (0.00%) 2370  44.1 
tangjia 1329 (66.28%) 676 (33.72%) 0 (0.00%) 0 (0.00%) 2005  41.3 
average 1526 (64.39%) 844 (35.61%) 0 (0.00%) 0 (0.00%) 2370  42.7 
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