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Northeast Ohio ozone attainment: What it means and what it doesn't

Northeast Ohio now meets the federal ozone standard, helping clear the way for Ohio's effort to end E-Check. But the EPA designation measures long-term air quality, not whether today's air is healthy to breathe. Here's the difference between ozone attainment and the daily Air Quality Index.

Sources (1)· Oct 6, 1:00 PM

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