Heyuan Air Quality Index

42
Excellent(Class A)
(June 28th,2017 ,12:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications：Air quality is satisfactory,almost no air pollution.
Suggestion：None.

Heyuan PM2.5

1-hour PM2.5: 18.33μg/m3,24-hour PM2.5: 19.34μg/m3.
1-hour PM2.5 ranks #98 in China by ascending,total 367 cities.
1-hour PM10: 33μg/m3,24-hour PM10: 38.79μg/m3.

All Air Monitoring Sites Of Heyuan 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)
3 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 13219320.71953188Excellent
Site 23319330.52762678Excellent
Site 33417340.82863282Excellent

Heyuan AQI Ranking

Heyuan AQI ranks #84 in China(total 367),defeat 77% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-26 #1044918380.66919512198Excellent
2017-06-25 #1224616350.67520511691Excellent
2017-06-24 #513315310.6751858664Excellent
2017-06-23 #553516350.7031758667Excellent
2017-06-22 #643816370.9042558766Excellent
2017-06-21 #473515300.9682746040Excellent
2017-06-20 #303517340.8792546548Excellent
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.