·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 Time：2002-01-01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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