Shiyan Air Quality Index

Good(Class B)
(March 21st,2018 ,02:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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: 43.5μg/m3,24-hour PM2.5: 53.2μg/m3.
1-hour PM2.5 ranks #268 in China by ascending,total 367 cities.
1-hour PM10: 65μg/m3,24-hour PM10: 74.93μg/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 16446650.726236970Good
Site 25841-1.11314117120Good
Site 36243731.34786081Good
Site 46244570.92155762Good

Shiyan AQI Ranking

Shiyan AQI ranks #232 in China(total 367),defeat 37% cities.

Last 7 days rankings and AQI data of Shiyan City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-20 #2797555761.1993113129118Good
2018-03-19 #1605740491.25733136961Good
2018-03-18 #704632381.07435124436Excellent
2018-03-17 #1145337520.94531107373Good
2018-03-16 #2096029690.7912398782Good
2018-03-15 #280100741191.0432515137120Good
2018-03-14 #26199741071.1063417124115Good
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.