Nanjing Air Quality Index

Good(Class B)
(January 23rd,2017 ,11:00:00 AM(UTC+8) Published)
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.

Nanjing PM2.5

1-hour PM2.5: 27.89μg/m3,24-hour PM2.5: 40.83μg/m3.
1-hour PM2.5 ranks #46 in China by ascending,total 367 cities.
1-hour PM10: 70.33μg/m3,24-hour PM10: 85.8μg/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 16735831.834377441Good
Site 26229740.733286449Good
Site 376341021.647334926Good
Site 45726632.134326650Good
Site 55430571.549285527Good
Site 65116521.324258151Good
Site 75629611.341346636Good
Site 85315561.339336342Good
Site 96837851.444357846Good

Nanjing AQI Ranking

Nanjing AQI ranks #93 in China(total 367),defeat 75% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-22 #1948348980.99666276759Good
2017-01-21 #1607333750.88858207870Good
2017-01-20 #1937028890.78636198579Good
2017-01-19 #188101751051.08945157157Lightly Polluted
2017-01-18 #1437656780.96157164942Good
2017-01-17 #1187143791.06356266651Good
2017-01-16 #1507029650.81556216353Good
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.