Hengyang Air Quality Index

Moderately Polluted(Class D)
(January 19th,2018 ,02:00:00 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 more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Hengyang PM2.5

1-hour PM2.5: 138μg/m3,24-hour PM2.5: 121.33μg/m3.
1-hour PM2.5 ranks #276 in China by ascending,total 367 cities.
1-hour PM10: 156.83μg/m3,24-hour PM10: 135.54μg/m3.

All Air Monitoring Sites Of Hengyang 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)
6 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 11851391610.93872628Moderately Polluted
Site 21851391501.225132830Moderately Polluted
Site 31821371391.133102730Moderately Polluted
Site 41851391581.240161919Moderately Polluted
Site 51831381691.336322422Moderately Polluted
Site 61801361641.217172730Moderately Polluted

Hengyang AQI Ranking

Hengyang AQI ranks #275 in China(total 367),defeat 25% cities.

Last 7 days rankings and AQI data of Hengyang City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-18 #2631551181281.22238205346Moderately Polluted
2018-01-17 #18110881961.21847258768Lightly Polluted
2018-01-16 #234128971251.27653252015Lightly Polluted
2018-01-15 #2821641251791.8036939117Moderately Polluted
2018-01-14 #263128971411.38859382214Lightly Polluted
2018-01-13 #1057656880.85354353939Good
2018-01-12 #1406546770.79846349071Good
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.