Chongqing Air Quality Index

Excellent(Class A)
(April 20th,2014 ,12:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.

Chongqing PM2.5

1-hour PM2.5: 26.47μg/m3,24-hour PM2.5: 21.01μg/m3.
1-hour PM2.5 ranks #35 in China by ascending,total 190 cities.
1-hour PM10: 40μg/m3,24-hour PM10: 39.35μg/m3.

All Air Monitoring Sites Of Chongqing City(Real Time Data)

Indicators instruction:
AQI=Air Quality Index; PM2.5=Particles less than 2.5 micrometers in diameter; PM10=Particles between 2.5 and 10 micrometers in diameter; CO=carbon monoxide;NO2=nitrogen dioxide;SO2=sulfur dioxide;O3-1h=Ozone 1-hour average;O3-8h=Ozone 8-hour average;

Unit: μg/m3(CO=mg/m3)
17 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 12215201.261963929Excellent
Site 25438-1.24323202926Good
Site 33826281.0711095565Excellent
Site 45531600.9674391131Good
Site 52011201.34914104150Excellent
Site 65231531.0185313713Good
Site 75740431.07626122816Good
Site 86345641.0755212332Good
Site 94531401.24134132728Excellent
Site 102920241.191764939Excellent
Site 11154120.8231844658Excellent
Site 124515451.452591913Excellent
Site 133018301.02218224444Excellent
Site 144927491.2513792649Excellent
Site 155337461.14945171211Good
Site 165131511.64234182026Good
Site 175330551.35340191336Good

Chongqing AQI Ranking

Chongqing AQI ranks #16 in China(total 190),defeat 86% cities.

Last 7 days rankings and AQI data of Chongqing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-04-18 #737152811.142292012697Good
2014-04-17 #627152851.2343030146114Good
2014-04-16 #687252881.326383412395Good
2014-04-15 #125334561.19430258168Good
2014-04-14 #74926481.14430237666Excellent
2014-04-13 #74527441.20526257769Excellent
2014-04-12 #426038641.2613325131112Good
Note :03-1h, O3-8h to 24 hours maximum, 24-hour average of other pollutants, daily AQI based on "Ambient Air Quality Index (AQI) Technology (Trial)" (HJ633-2012) published in the daily AQI standard calculations.