Lanzhou Air Quality Index

Good(Class B)
(March 22nd,2018 ,11:00:00 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: 44.8μg/m3,24-hour PM2.5: 43.29μg/m3.
1-hour PM2.5 ranks #115 in China by ascending,total 367 cities.
1-hour PM10: 119.6μg/m3,24-hour PM10: 139.23μg/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 1100611491.410516746Good
Site 279241080.927479101Good
Site 37237930.33646474Good
Site 491541321.372142763Good
Site 583481161.7124191264Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #162 in China(total 367),defeat 56% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-21 #352139602270.9064814121108Lightly Polluted
2018-03-20 #339139722270.8534810592Lightly Polluted
2018-03-19 #353190743301.154718110100Moderately Polluted
2018-03-18 #349180743080.67632179392Moderately Polluted
2018-03-17 #356308894260.648251610496Severely Polluted
2018-03-16 #349200683501.1135123163135Moderately Polluted
2018-03-15 #340174592970.924481910798Moderately 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.