Lanzhou Air Quality Index

Good(Class B)
(September 21st,2018 ,12:00:00 PM(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: 31.4μg/m3,24-hour PM2.5: 28.77μg/m3.
1-hour PM2.5 ranks #272 in China by ascending,total 367 cities.
1-hour PM10: 91.6μg/m3,24-hour PM10: 68.61μg/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 1101381040.8514820155Lightly Polluted
Site 26112721.427195635Good
Site 36636810.624215920Good
Site 482421130.7572615160Good
Site 56929880.636245012Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #314 in China(total 367),defeat 14% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-20 #3037428660.9124716154128Good
2018-09-19 #3197822440.798437147133Good
2018-09-18 #1474220340.8033366151Excellent
2018-09-17 #1263817340.5433076561Excellent
2018-09-16 #1734523370.55829711588Excellent
2018-09-15 #323117250.5172376761Excellent
2018-09-14 #1955725620.5183299080Good
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.