Chongqing Air Quality Index

Excellent(Class A)
(April 25th,2014 ,04:00:00 PM(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: 29.69μg/m3,24-hour PM2.5: 38.85μg/m3.
1-hour PM2.5 ranks #74 in China by ascending,total 190 cities.
1-hour PM10: 48μg/m3,24-hour PM10: 66.87μg/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 1---------
Site 24833410.96335181415Excellent
Site 37252751.05435181340Good
Site 4-------4-
Site 52313230.96917113119Excellent
Site 63927381.00228401913Excellent
Site 74827480.8234121013Excellent
Site 84531410.70118133118Excellent
Site 94324430.64327182311Excellent
Site 105032500.80325241815Excellent
Site 112013-0.79511126352Excellent
Site 126235731.0814017811Good
Site 134028300.8114153615Excellent
Site 14-------14-
Site 15-------4-
Site 165942-0.70123193016Good
Site 175829660.96234261421Good

Chongqing AQI Ranking

Chongqing AQI ranks #31 in China(total 190),defeat 73% cities.

Last 7 days rankings and AQI data of Chongqing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-04-24 #366645801.11743397962Good
2014-04-23 #145430581.09939267861Good
2014-04-22 #205028491.05534297261Excellent
2014-04-21 #43219301.0825143839Excellent
2014-04-20 #53119311.23222144541Excellent
2014-04-19 #103921391.10625156757Excellent
2014-04-18 #737152811.142292012697Good
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.