Lanzhou Air Quality Index

Good(Class B)
(May 27th,2018 ,08:00:00 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: 42.2μg/m3,24-hour PM2.5: 61.93μg/m3.
1-hour PM2.5 ranks #233 in China by ascending,total 367 cities.
1-hour PM10: 119.6μg/m3,24-hour PM10: 209.78μg/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 180511090.64420127149Good
Site 276231010.4176123126Good
Site 393411350.242498123Good
Site 489501270.6389120142Good
Site 588461260.44720106119Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #207 in China(total 367),defeat 44% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-26 #305145712390.575307152137Lightly Polluted
2018-05-25 #329153592550.5632714152137Moderately Polluted
2018-05-24 #1267330770.6593911145127Good
2018-05-23 #1397724750.6414313143132Good
2018-05-22 #2517523620.5813712135130Good
2018-05-21 #2577038890.46127610298Good
2018-05-20 #2076432760.5893711118110Good
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.