Nanjing Air Quality Index

Lightly Polluted(Class C)
(November 21st,2018 ,08:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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.

Nanjing PM2.5

1-hour PM2.5: 109.89μg/m3,24-hour PM2.5: 76.85μg/m3.
1-hour PM2.5 ranks #354 in China by ascending,total 367 cities.
1-hour PM10: 143.13μg/m3,24-hour PM10: 103.14μg/m3.

All Air Monitoring Sites Of Nanjing 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)
9 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1152116-16065551Moderately Polluted
Site 21501151311.15394848Lightly Polluted
Site 3119901530.85266534Lightly Polluted
Site 41431091420.84297868Lightly Polluted
Site 5123931510.946128379Lightly Polluted
Site 6175132144263145351Moderately Polluted
Site 7159121140255124844Moderately Polluted
Site 81421081271.17075656Lightly Polluted
Site 91381051571.535107150Lightly Polluted

Nanjing AQI Ranking

Nanjing AQI ranks #352 in China(total 367),defeat 4% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-20 #2778764890.99851911596Good
2018-11-19 #2838361831.1474596155Good
2018-11-18 #1013921280.4663155851Excellent
2018-11-17 #2024818400.4543874848Excellent
2018-11-16 #1293820330.4582468976Excellent
2018-11-15 #2036027470.5574886363Good
2018-11-14 #1436035690.6414689685Good
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.