50
Good
PM2.515 µg/m3PM1029 µg/m3
SO23 µg/m3OZONE147 µg/m3
NO211 µg/m3CO0.6 µg/m3
CurrentLast 48 hoursMinMax
PM2.550
50154
PM1025
2565
OZONE45
3445
NO29
839
AQI monitoring stations Primary pollutantPM2.5 AQIPM10 AQINO2 AQI OZONE AQICO AQISO2 AQIAQI
Food Factory PM2.5 Air quality index ozone 17 16 17 45 8 4 45  
Bus Factory PM2.5 Air quality index ozone 38 16 11 44 6 4 44  
Labor Park PM2.5 Air quality index ozone 33 24 8 49 6 4 49  
Garden Office PM2.5 Air quality index ozone 42 21 8 46 6 4 46  
Moon Lake PM2.5 Air quality index pm25 63 20 11 48 7 3 63  
Rejection wanzi PM2.5 Air quality index pm25 124 57 8 41 10 3 124
Sanitation Department Economic Development Zone PM2.5 Air quality index pm25 50 27 9 46 7 6 50  
Hi-tech Zone PM2.5 Air quality index pm25 50 32 6 46 7 6 50  
Daishan Park PM2.5 Air quality index ozone 38 15 8 47 5 4 47  

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.
Changchun Air quality index Updated on 2020-08-12 11:00:00 , Changchun AQI (Air quality index) is 50. Changchun PM2.5 (fine particulate matter) AQI is 50 - Changchun PM10 (respirable particulate matter) AQI is 25 - Changchun NO2 (nitrogen dioxide) AQI is 9 - Changchun SO2 (sulfur dioxide) AQI is 4 - Changchun O3 (ozone) AQI is 45

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