Lanzhou Air Quality Index

119
Lightly Polluted(Class C)
(March 27th,2017 ,07:00:00 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:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Lanzhou PM2.5

1-hour PM2.5: 54.8μg/m3,24-hour PM2.5: 48.85μg/m3.
1-hour PM2.5 ranks #306 in China by ascending,total 367 cities.
1-hour PM10: 188μg/m3,24-hour PM10: 153.55μg/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 193631361.12347112196Good
Site 2145472391.11118131114Lightly Polluted
Site 3106481610.72432126102Lightly Polluted
Site 4150542490.62727127147Lightly Polluted
Site 5103621550.875179589Lightly Polluted

Lanzhou AQI Ranking

Lanzhou AQI ranks #337 in China(total 367),defeat 8% cities.

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-03-26 #338106441610.9865714153127Lightly Polluted
2017-03-25 #29392341330.5832610115108Good
2017-03-24 #28690451290.708331211099Good
2017-03-23 #2246841860.65930910093Good
2017-03-22 #2397248931.286511311493Good
2017-03-21 #1977141911.1884812113106Good
2017-03-20 #25282481131.2815115126117Good
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.