Guangzhou Air Quality Index

Lightly Polluted(Class C)
(July 28th,2017 ,08:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Guangzhou PM2.5

1-hour PM2.5: 35.27μg/m3,24-hour PM2.5: 24.31μg/m3.
1-hour PM2.5 ranks #262 in China by ascending,total 367 cities.
1-hour PM10: 61.5μg/m3,24-hour PM10: 43.97μg/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 188501250.9291277105Good
Site 27051-1.1888115173Good
Site 37434810.8498179216Good
Site 45434580.9672397150Good
Site 57722521153882181Good
Site 63821260.465120137Excellent
Site 75841440.7439156162Good
Site 86335760.9788129201Good
Site 95029500.83711136186Excellent
Site 105534490.92414164183Good
Site 115337540.6504134179Good

Guangzhou AQI Ranking

Guangzhou AQI ranks #328 in China(total 367),defeat 11% cities.

Last 7 days rankings and AQI data of Guangzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-27 #1105524410.723441112098Good
2017-07-26 #33913833530.8385514275202Lightly Polluted
2017-07-25 #27710223410.7614412203160Lightly Polluted
2017-07-24 #784615260.697371010079Excellent
2017-07-23 #484018310.68332115338Excellent
2017-07-22 #1996921390.7223812150122Good
2017-07-21 #1996624440.861521212874Good
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.