Lanzhou Air Quality Index

Good(Class B)
(January 18th,2019 ,05:00:00 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: 22μg/m3,24-hour PM2.5: 49.09μg/m3.
1-hour PM2.5 ranks #43 in China by ascending,total 367 cities.
1-hour PM10: 52μg/m3,24-hour PM10: 92.2μg/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 14928490.429265852Excellent
Site 25425570.647194639Good
Site 34713470.41069076Excellent
Site 45115520.25083214Good
Site 55329550.851222335Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #89 in China(total 367),defeat 76% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-17 #1647752941.75561326948Good
2019-01-16 #2157143771.46756306754Good
2019-01-15 #935124500.74141177268Good
2019-01-14 #906237741.04347238174Good
2019-01-13 #188107721342.46793447655Lightly Polluted
2019-01-12 #210103661492.06784388672Lightly Polluted
2019-01-11 #239121921572.68485386546Lightly 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.