你即將離開本站

並前往https://www.airnow.gov/air-quality-flag-program/

Air Quality Flag Program Main Page | AirNow.gov

The color of the flag matches EPA's Air Quality Index (AQI): green, yellow, orange, red, and purple. On unhealthy days, your organization can use this ...

確定！ 回上一頁

查詢 「flags」的人也找了：

  1. flags中文
    2.
  2. Chrome flags
    3.
  3. chrome//flags/#enable
    4.
  4. chrome //flags settings
    5.
  5. 不要亂立flag
    6.
  6. Edge flags
    7.
  7. Us states flags
    8.
  8. National flag
    9.