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The CAQI (Common Air Quality Index) in my region has been around 60-70 because of smog for the last few days. That's around 105-125 in US AQI scale. What is the maximum CAQI (or US AQI) level at which I can still run safely outdoor?

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  • What has your research revealed? I found guidelines for outdoor air quality very easily. – Carey Gregory Jan 2 at 17:02

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