Guangzhou Air Quality Index

Excellent(Class A)
(September 26th,2017 ,05:00:00 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.

Guangzhou PM2.5

1-hour PM2.5: 12.82μg/m3,24-hour PM2.5: 11.17μg/m3.
1-hour PM2.5 ranks #69 in China by ascending,total 367 cities.
1-hour PM10: 29μg/m3,24-hour PM10: 24.13μg/m3.

All Air Monitoring Sites Of Guangzhou 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)
11 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 12316230.32461-Excellent
Site 22517230.6372122Excellent
Site 33310330.8421433Excellent
Site 43912390.7391022Excellent
Site 5289280.8441533Excellent
Site 62214220.520933Excellent
Site 74219420.7402033Excellent
Site 8229220.7321522Excellent
Site 9178150.73318116Excellent
Site 104119410.9401944Excellent
Site 11318310.6391243Excellent

Guangzhou AQI Ranking

Guangzhou AQI ranks #63 in China(total 367),defeat 83% cities.

Last 7 days rankings and AQI data of Guangzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-25 #613611230.6582897762Excellent
2017-09-24 #643919360.70531118775Excellent
2017-09-23 #1265326450.771421315498Good
2017-09-22 #1866927500.8445015172122Good
2017-09-21 #33813651750.996313272192Lightly Polluted
2017-09-20 #35815945740.8795314265223Moderately Polluted
2017-09-19 #33313245690.8233913227195Lightly Polluted
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.