The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory (HPA) for Saturday, May 10 and Sunday, May 11, 2025.

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The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory (HPA) for Thursday, May 8 and Friday, May 9, 2025.

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The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory (HPA) for Wednesday, April 30, 2025.

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The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory (HPA) for Wednesday, April 9, 2025.

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