Heyuan Air Quality Index

14
Excellent(Class A)
(November 20th,2017 ,01:00:00 PM(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: 5.33μg/m3,24-hour PM2.5: 7.88μg/m3.
1-hour PM2.5 ranks #8 in China by ascending,total 367 cities.
1-hour PM10: 14μg/m3,24-hour PM10: 15.93μg/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 1136130.71442518Excellent
Site 2225220.61442520Excellent
Site 310570.82062620Excellent

Heyuan AQI Ranking

Heyuan AQI ranks #5 in China(total 367),defeat 99% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-19 #16297160.8472363333Excellent
2017-11-18 #1494624460.9612975344Excellent
2017-11-17 #1415635610.9143689685Good
2017-11-16 #725129521.0313089778Good
2017-11-15 #363827361.0252863631Excellent
2017-11-14 #1515740541.1072965745Good
2017-11-13 #1376042561.0382976147Good
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.