Lanzhou Air Quality Index

55
Good(Class B)
(February 29th,2020 ,01:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
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: 30μg/m3,24-hour PM2.5: 32.96μg/m3.
1-hour PM2.5 ranks #173 in China by ascending,total 367 cities.
1-hour PM10: 59μg/m3,24-hour PM10: 64.4μg/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 16240730.9901144Good
Site 25229530.84582222Good
Site 34824480.6658383Excellent
Site 45522590.7601888Good
Site 55635621.767221717Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #199 in China(total 367),defeat 46% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-02-27 #2656936880.8382812104104Good
2020-02-26 #25678401051.0574123137122Good
2020-02-25 #23681391111.1555226124109Good
2020-02-24 #2177542981.23491710599Good
2020-02-23 #29786531221.424652211290Good
2020-02-22 #32890461281.1475219118105Good
2020-02-21 #30099391480.882341210594Good
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.