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If someone has asthma, he/she should avoid being outside when the air quality index is ________ or higher.
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If someone has asthma, he/she should avoid being outside when the air quality index is ________ or higher.

User Arthur Bertemes
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When the Air Quality Index is 101 or higher, it is dangerous for people with asthma. You may have to change your activities and medicines. If you have asthma, your symptoms can worsen even when ozone levels are moderate (AQI 51-100).
User Noquery
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