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Concerned about poor air quality? How to read the AQI.
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Concerned about poor air quality? How to read the AQI.

  • USA Today - Vertical
  • Jul 20, 2026
  • Jul 20, 2026 Updated Jul 20, 2026
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USA TODAY's Julia Gomez explains how to read the Air Quality Index, or AQI, as concerns mount about smoke from Canadian wildfires.

As featured on

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More toxic than normal air pollution, wildfire smoke can linger in the air for weeks and travel thousands of miles.

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