Heyuan Air Quality Index

Good(Class B)
(April 23rd,2017 ,03:00:00 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: 23.33μg/m3,24-hour PM2.5: 23.48μg/m3.
1-hour PM2.5 ranks #146 in China by ascending,total 367 cities.
1-hour PM10: 58.33μg/m3,24-hour PM10: 64.31μg/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 15625610.813612283Good
Site 25522590.714511375Good
Site 35323550.714512483Good

Heyuan AQI Ranking

Heyuan AQI ranks #127 in China(total 367),defeat 65% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-22 #605319550.6132169087Good
2017-04-21 #53516310.7222759170Excellent
2017-04-20 #93618360.7382757862Excellent
2017-04-19 #32310744800.932439182167Lightly Polluted
2017-04-18 #1657343770.9643911156127Good
2017-04-17 #2037930570.849306163134Good
2017-04-16 #264623460.8642569184Excellent
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.