139
Unhealthy for Sensitive Groups
PM2.554 µg/m3PM1063 µg/m3
SO27 µg/m3OZONE76 µg/m3
NO216 µg/m3CO0.8 µg/m3
CurrentLast 48 hoursMinMax
PM2.5139
87148
PM1053
3156
OZONE23
2331
NO214
820
AQI monitoring stations Primary pollutantPM2.5 AQIPM10 AQINO2 AQI OZONE AQICO AQISO2 AQIAQI
Kimcheon Two Rivers PM2.5 Air quality index pm25 136 54 12 21 10 11 136
Shilidian PM2.5 Air quality index pm25 156 59 18 21 10 8 156
Three Wayao PM2.5 Air quality index pm25 146 52 20 25 11 7 146
Shahe shop PM2.5 Air quality index pm25 154 59 17 20 10 8 154
People's Park PM2.5 Air quality index pm25 152 59 15 21 5 7 152
Lingyansi PM2.5 Air quality index pm25 84 33 4 33 6 7 84  
Oishi West PM2.5 Air quality index pm25 149 56 15 24 9 11 149

According The National Ambient Air Quality Standards for Particle Pollution to caculate AQI

Air Quality Index (AQI) Values Levels of Health Concern Colors
0 to 50 Good No health implications.
51 to 100 Moderate Few hypersensitive individuals should reduce outdoor exercise.
101 to 150 Unhealthy for Sensitive Groups Slight irritations may occur, individuals with breathing or heart problems should reduce outdoor exercise.
151 to 200 Unhealthy May have harmful impacts on patients and members of sensitive groups (children, aged or weak people), and also cause the general public unpleasant feelings.
201 to 300 Very Unhealthy Healthy people will be noticeably affected. People with breathing or heart problems will experience reduced endurance in activities. These individuals and elders should remain indoors and restrict activities.
301 to 500 Hazardous Healthy people will experience reduced endurance in activities. There may be strong irritations and symptoms and may trigger other illnesses. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid out door activities.
Chengdu Air quality index Updated on 2020-01-26 22:00:00 , Chengdu AQI (Air quality index) is 139. Chengdu PM2.5 (fine particulate matter) AQI is 139 - Chengdu PM10 (respirable particulate matter) AQI is 53 - Chengdu NO2 (nitrogen dioxide) AQI is 14 - Chengdu SO2 (sulfur dioxide) AQI is 8 - Chengdu O3 (ozone) AQI is 23

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