Beijing Air Quality Index

Good(Class B)
(July 31st,2016 ,05:00:00 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.

Beijing PM2.5

1-hour PM2.5: 49.25μg/m3,24-hour PM2.5: 110.06μg/m3.
1-hour PM2.5 ranks #336 in China by ascending,total 367 cities.
1-hour PM10: 32.5μg/m3,24-hour PM10: 133.64μg/m3.

All Air Monitoring Sites Of Beijing 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)
12 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 17555-1.12324762Good
Site 27857-1.43323451Good
Site 38260--4123666Good
Site 47051-0.72625859Good
Site 58966-1.52724564Good
Site 65438-1.15425380Good
Site 77555--3025862Good
Site 8362525-226755Excellent
Site 95942-0.8-24255Good
Site 105539400.92726066Good
Site 116950-0.13724853Good
Site 127353-0.91526880Good

Beijing AQI Ranking

Beijing AQI ranks #321 in China(total 367),defeat 13% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-07-30 #3601701281451.564302100100Moderately Polluted
2016-07-29 #3581571191271.287292241214Moderately Polluted
2016-07-28 #33512748650.648292214189Lightly Polluted
2016-07-27 #36316747760.731332279231Moderately Polluted
2016-07-26 #2799120420.585223157149Good
2016-07-25 #1325740540.779283145104Good
2016-07-24 #33812267760.881303229184Lightly Polluted
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.