Heyuan Air Quality Index

60
Good(Class B)
(July 29th,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: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: 41μg/m3,24-hour PM2.5: 29.63μg/m3.
1-hour PM2.5 ranks #273 in China by ascending,total 367 cities.
1-hour PM10: 68.67μg/m3,24-hour PM10: 54.36μg/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 16135720.93373276Good
Site 25336560.84961949Good
Site 37252780.93893131Good

Heyuan AQI Ranking

Heyuan AQI ranks #203 in China(total 367),defeat 45% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-27 #494324420.712169983Excellent
2017-07-26 #1105825460.678226128109Good
2017-07-25 #383718370.6711777970Excellent
2017-07-24 #534017390.6942076749Excellent
2017-07-23 #303516340.6641946146Excellent
2017-07-22 #544422440.68318710169Excellent
2017-07-21 #533918380.7252487956Excellent
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.