Heyuan Air Quality Index

Good(Class B)
(March 25th,2018 ,12:00:00 PM(UTC+8) Published)
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: 27.33μg/m3,24-hour PM2.5: 37.2μg/m3.
1-hour PM2.5 ranks #62 in China by ascending,total 367 cities.
1-hour PM10: 59μg/m3,24-hour PM10: 65.71μg/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 15530590.8151013188Good
Site 25525600.616911270Good
Site 35427580.6111013085Good

Heyuan AQI Ranking

Heyuan AQI ranks #60 in China(total 367),defeat 84% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-24 #1117642820.853714141131Good
2018-03-23 #1488433830.7493314152141Good
2018-03-22 #706523540.699289134118Good
2018-03-21 #1676313250.696138117115Good
2018-03-20 #28409201.0161668480Excellent
2018-03-19 #434022350.7592168979Excellent
2018-03-18 #1656027440.71187124112Good
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.