Lanzhou Air Quality Index

Good(Class B)
(January 20th,2018 ,05:00:00 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: 54.8μg/m3,24-hour PM2.5: 67.9μg/m3.
1-hour PM2.5 ranks #169 in China by ascending,total 367 cities.
1-hour PM10: 115.8μg/m3,24-hour PM10: 139.37μg/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 192681291.645407092Good
Site 25632610.718248357Good
Site 398581461.985544528Good
Site 498641461.992484966Good
Site 57452971.6102704029Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #173 in China(total 367),defeat 53% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-19 #174110791682.61479539864Lightly Polluted
2018-01-18 #145100621492.18276526847Good
2018-01-17 #168105421600.83839207868Lightly Polluted
2018-01-16 #198114691782.604845316281Lightly Polluted
2018-01-15 #15298711451.61955318370Good
2018-01-14 #223112841722.47275507353Lightly Polluted
2018-01-13 #2871341021872.93283518976Lightly 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.