Lanzhou Air Quality Index

52
Good(Class B)
(August 12th,2019 ,11:00:00 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: 17μg/m3,24-hour PM2.5: 18.51μg/m3.
1-hour PM2.5 ranks #214 in China by ascending,total 367 cities.
1-hour PM10: 53.2μg/m3,24-hour PM10: 53.87μg/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 14019400.7444810350Excellent
Site 25519590.8524515153Good
Site 3377270.820711792Excellent
Site 45419571.1613011332Good
Site 56721831.194279129Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #295 in China(total 367),defeat 20% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-08-11 #34211020570.8774414186171Lightly Polluted
2019-08-10 #3319719480.84410175156Good
2019-08-09 #3208616390.642367178143Good
2019-08-08 #1745318440.429246109103Good
2019-08-07 #33310022610.8124413190160Good
2019-08-06 #34910619510.834448190166Lightly Polluted
2019-08-05 #3258618450.7043915188136Good
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.