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Ozone Alarm 2025 in the Balearic Islands: Heat, Traffic and the Question of Effective Countermeasures

Why Ozone Becomes a Summer Problem in Mallorca

Hot sun, light wind and traffic emissions can raise ozone levels in Mallorca, especially in cities like Palma.

Published: April 22, 2026
Ozone Alarm 2025 in the Balearic Islands: Heat, Traffic and the Question of Effective Countermeasures

Answer

Why is ozone a problem in Mallorca during hot weather?

Ground-level ozone forms when strong sunlight and heat react with pollution from traffic, ports, airports and other combustion sources. In Mallorca, calm summer weather can make those conditions worse, especially in dense urban areas like Palma. That is why ozone levels often rise on the hottest, least windy days.

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