Tianjin Air Quality Index

Lightly Polluted(Class C)
(May 26th,2018 ,06:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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.

Tianjin PM2.5

1-hour PM2.5: 46.27μg/m3,24-hour PM2.5: 71.33μg/m3.
1-hour PM2.5 ranks #274 in China by ascending,total 367 cities.
1-hour PM10: 83.67μg/m3,24-hour PM10: 106.76μg/m3.

All Air Monitoring Sites Of Tianjin 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)
15 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 17239931.1234173168Good
Site 27236930.9134171173Good
Site 397561281217197175Good
Site 46345530.8153159173Good
Site 58047700.8214184181Good
Site 66945880.8227147151Good
Site 77238940.8173171166Good
Site 87042851216176187Good
Site 96841850.8184164195Good
Site 107749710.6224181210Good
Site 116944620.8174175198Good
Site 121026114412610203184Lightly Polluted
Site 137051661.6306151183Good
Site 147555700.7272148176Good
Site 156345530.9213146161Good

Tianjin AQI Ranking

Tianjin AQI ranks #294 in China(total 367),defeat 20% cities.

Last 7 days rankings and AQI data of Tianjin City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-25 #307133561120.951297208195Lightly Polluted
2018-05-24 #322142511400.8253011236205Lightly Polluted
2018-05-23 #351154552570.741358167159Moderately Polluted
2018-05-22 #328106441600.65303135121Lightly Polluted
2018-05-21 #1946028370.737346123111Good
2018-05-20 #954934450.83639510683Excellent
2018-05-19 #3189931761.0746111173158Good
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.