Heyuan Air Quality Index

47
Excellent(Class A)
(April 25th,2019 ,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: 21.43μg/m3.
1-hour PM2.5 ranks #91 in China by ascending,total 367 cities.
1-hour PM10: 31.33μg/m3,24-hour PM10: 41.28μg/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 13319330.82663078Excellent
Site 23219320.713549111Excellent
Site 32917290.72363190Excellent

Heyuan AQI Ranking

Heyuan AQI ranks #111 in China(total 367),defeat 70% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-04-23 #804723461.13330611887Excellent
2019-04-22 #444017291.1043069580Excellent
2019-04-21 #264120351.2933278942Excellent
2019-04-20 #544716281.1033774238Excellent
2019-04-19 #43210130.9522457463Excellent
2019-04-18 #174423380.9751969087Excellent
2019-04-17 #996423370.955246141116Good
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.