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Air Quality (China US embassy)
Air Quality (China US embassy)
Outdoor air quality index
The outdoor Air Quality Index AQI is displayed on the outdoor dashboard.
This index is made available by the US embassy's air quality monitoring stations.
Complementary information
By touching on the "..." button in the air quality gauge, you can display complementary information (when
available): main pollutant, hour and location of the report.
AQI colors
This color code scale makes it easier for anyone to understand quickly whether air pollution is reaching
unhealthy levels in their communities. For example, the orange color means that conditions are "unhealthy for
sensitive groups," while the red color means that conditions may be "unhealthy for everyone," and so on.
Understanding the AQI
The AQI is divided into six categories:
"Good" AQI is 0 - 50. Air quality is considered satisfactory, and air pollution poses little or no risk.
"Moderate" AQI is 51 - 100. Air quality is acceptable; however, for some pollutants there may be a moderate
health concern for a very small number of people. For example, people who are unusually sensitive to ozone
may experience respiratory symptoms.
"Unhealthy for Sensitive Groups" AQI is 101 - 150. Although general public is not likely to be affected at this
AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone,
whereas persons with heart and lung disease, older adults and children are at greater risk from the presence
of particles in the air.
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