Lanzhou Air Quality Index

Good(Class B)
(September 26th,2017 ,09:00:00 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: 38.2μg/m3,24-hour PM2.5: 41.95μg/m3.
1-hour PM2.5 ranks #277 in China by ascending,total 367 cities.
1-hour PM10: 75.2μg/m3,24-hour PM10: 102.5μg/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 16645820.76444068Good
Site 25725630.52355871Good
Site 36646820.83984248Good
Site 46844850.75883170Good
Site 55731640.65043845Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #255 in China(total 367),defeat 31% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-25 #32192511330.8134213159113Good
2017-09-24 #2657441980.859481112594Good
2017-09-23 #1776332760.7254399470Good
2017-09-22 #1997240940.9435221160113Good
2017-09-21 #2097139900.7725110137111Good
2017-09-20 #2677844900.9085411165133Good
2017-09-19 #1305938620.65847710584Good
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.