Lanzhou Air Quality Index

Good(Class B)
(May 25th,2019 ,09:00:00 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: 32.8μg/m3,24-hour PM2.5: 25.86μg/m3.
1-hour PM2.5 ranks #201 in China by ascending,total 367 cities.
1-hour PM10: 127.6μg/m3,24-hour PM10: 83.28μg/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 1117491841.1129265212Lightly Polluted
Site 2983414518021148Good
Site 36221731.239286878Good
Site 479291071745168Good
Site 590311291.51031696Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #293 in China(total 367),defeat 20% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-05-24 #1899222660.6195311161150Good
2019-05-23 #1097725720.7435518149131Good
2019-05-22 #2049023750.6915115165147Good
2019-05-21 #2228425820.7064815151140Good
2019-05-20 #2307127920.608459136123Good
2019-05-19 #28987381220.412176116111Good
2019-05-18 #331102441530.489196129116Lightly 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.