Lanzhou Air Quality Index

Good(Class B)
(June 29th,2017 ,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.

Lanzhou PM2.5

1-hour PM2.5: 30μg/m3,24-hour PM2.5: 36.72μg/m3.
1-hour PM2.5 ranks #201 in China by ascending,total 367 cities.
1-hour PM10: 58.6μg/m3,24-hour PM10: 83.82μg/m3.

All Air Monitoring Sites Of Lanzhou 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)
5 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 13824380.965243101Excellent
Site 278371050.321297117Good
Site 35337520.94276094Good
Site 45335550.96364194Good
Site 54317430.84846084Excellent

Lanzhou AQI Ranking

Lanzhou AQI ranks #140 in China(total 367),defeat 62% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-27 #2259532840.743398184154Good
2017-06-26 #26311028910.7124710178170Lightly Polluted
2017-06-25 #292104331020.6734912172164Lightly Polluted
2017-06-24 #2858731930.6544713154144Good
2017-06-23 #32389361260.479279112103Good
2017-06-22 #35211433940.6814314218175Lightly Polluted
2017-06-21 #1987028580.696376138124Good
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.