Heyuan Air Quality Index

58
Good(Class B)
(September 26th,2017 ,09:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications：Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion：Unusually sensitive people should consider reducing prolonged or heavy exertion.

Heyuan PM2.5

1-hour PM2.5: 25.67μg/m3,24-hour PM2.5: 20.83μg/m3.
1-hour PM2.5 ranks #201 in China by ascending,total 367 cities.
1-hour PM10: 65.67μg/m3,24-hour PM10: 41.52μg/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 17525992.1484874Good
Site 26133711.3535846Good
Site 32819270.83841553Excellent

Heyuan AQI Ranking

Heyuan AQI ranks #225 in China(total 367),defeat 39% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-25 #313011290.8342155434Excellent
2017-09-24 #463618350.7791865848Excellent
2017-09-23 #674527450.86518116856Excellent
2017-09-22 #143318330.82820115851Excellent
2017-09-21 #1215334560.88231810898Good
2017-09-20 #1835835650.88829128880Good
2017-09-19 #1827439620.863198133128Good
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.