Lanzhou Air Quality Index

55
Good(Class B)
(January 18th,2020 ,10:00:00 PM(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: 31.6μg/m3,24-hour PM2.5: 49.55μg/m3.
1-hour PM2.5 ranks #85 in China by ascending,total 367 cities.
1-hour PM10: 58.6μg/m3,24-hour PM10: 77.93μg/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 15337521.177141554Good
Site 25730631.78420856Good
Site 359296812087396Good
Site 44628460.968161668Excellent
Site 55734641.496211461Good

Lanzhou AQI Ranking

Lanzhou AQI ranks #95 in China(total 367),defeat 74% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-01-17 #247116871272.22176227454Lightly Polluted
2020-01-16 #23599741081.77864207157Good
2020-01-15 #1717655811.26344176151Good
2020-01-14 #1367252811.47252157661Good
2020-01-13 #1637141681.18456196765Good
2020-01-12 #2047447711.44659216856Good
2020-01-11 #2408159821.35259159674Good
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.