Shiyan Air Quality Index

Good(Class B)
(May 25th,2018 ,12:00:00 AM(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.

Shiyan PM2.5

1-hour PM2.5: 57.25μg/m3,24-hour PM2.5: 43.62μg/m3.
1-hour PM2.5 ranks #304 in China by ascending,total 367 cities.
1-hour PM10: 118.25μg/m3,24-hour PM10: 112.87μg/m3.

All Air Monitoring Sites Of Shiyan 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)
4 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1101621521.135314688Lightly Polluted
Site 279481081.2911111139Good
Site 38865931.151163185Good
Site 485541200.915116098Good

Shiyan AQI Ranking

Shiyan AQI ranks #250 in China(total 367),defeat 32% cities.

Last 7 days rankings and AQI data of Shiyan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-23 #1267231930.7341812113107Good
2018-05-22 #2347033890.6615109688Good
2018-05-21 #173010210.77815106060Excellent
2018-05-20 #544110190.8771398281Excellent
2018-05-19 #164012230.95713128379Excellent
2018-05-18 #1316317310.8351513123115Good
2018-05-17 #1987141670.8361414141125Good
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.