I suggest you ...

Use US EPA Airnow.gov designations instead of the China's. The China API system is not compatible with PM2.5 AQI

Use US EPA Airnow.gov designations instead of the China's. The China API system is incompatible with AQI PM 2.5,

Here is the difference:

US EPA AirNow China

0-50 Good Excellent
51-100 Moderate Good
101-150 Unhealthy for Sensitive Groups Slightly Polluted
151 to 200 Unhealthy Lightly Polluted
201 to 300 Very Unhealthy Moderately Polluted
301 to 500 Hazardous Severely Polluted

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Peter shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

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  • Peter commented  ·   ·  Flag as inappropriate

    Here is the chart reformatted so you can more easily read it:

    --------US EPA AirNow----------------------------------------China's Designation

    0-50-------- Good ---------------------------------------------Excellent
    51-100-----Moderate-----------------------------------------Good
    101-150----Unhealthy for Sensitive Groups Slightly----Polluted
    151 to 200-Unhealthy----------------------------------------Lightly Polluted
    201 to 300-Very Unhealthy----------------------------------Moderately Polluted
    301 to 500 Hazardous----------------------------------------Severely Polluted

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