Lanzhou Air Quality Index

41
Excellent(Class A)
(July 21st,2018 ,12:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Lanzhou PM2.5

1-hour PM2.5: 17.2μg/m3,24-hour PM2.5: 24.98μg/m3.
1-hour PM2.5 ranks #118 in China by ascending,total 367 cities.
1-hour PM10: 40.8μg/m3,24-hour PM10: 41.7μg/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 14420440.75153277Excellent
Site 24425440.5102102102Excellent
Site 3289280.23913963Excellent
Site 43615360.54872666Excellent
Site 5511752162123457Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #71 in China(total 367),defeat 81% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-19 #31310228510.659269180162Lightly Polluted
2018-07-18 #1154720440.55923710793Excellent
2018-07-17 #2658027850.7024612147136Good
2018-07-16 #35313138990.8215010231193Lightly Polluted
2018-07-15 #353143742360.551278110106Lightly Polluted
2018-07-14 #1615220530.538291811297Good
2018-07-13 #35612227800.7874316212184Lightly 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.