Heyuan Air Quality Index

Lightly Polluted(Class C)
(January 22nd,2018 ,05:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Heyuan PM2.5

1-hour PM2.5: 80.33μg/m3,24-hour PM2.5: 78.44μg/m3.
1-hour PM2.5 ranks #273 in China by ascending,total 367 cities.
1-hour PM10: 94.67μg/m3,24-hour PM10: 103.45μg/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 112091911.2471288Lightly Polluted
Site 2108819314961011Lightly Polluted
Site 393691001.1431084Good

Heyuan AQI Ranking

Heyuan AQI ranks #267 in China(total 367),defeat 27% cities.

Last 7 days rankings and AQI data of Heyuan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-21 #208106801071.35431011798Lightly Polluted
2018-01-20 #189111831081.36411010282Lightly Polluted
2018-01-19 #1018159981.2450119984Good
2018-01-18 #807454861.0754714153122Good
2018-01-17 #526849831.0465013143119Good
2018-01-16 #847147871.1485710140118Good
2018-01-15 #656342730.98550912799Good
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.