Vaucluse. Ozone pollution: alert threshold 2 exceeded, prefecture measures

Ozone arises through the transformation of emissions from road traffic and the industrial sector due to the sun. (©Pxhere)

This is the procedure. After two days of level 1 alert pay the ozone pollution in the department, the Vaucluse passes into level 2 alert Wednesday July 20, 2022. New measures are added to those taken during the state of alert 1, such as the lowering of the maximum speeds:

  • Implementation of specific level 2 requirements applied in ICPE operating authorisations.
  • Reduction of activity on construction sites that generate dust and allow compensatory measures (watering, etc.).
  • Modification of the format of motorsport events (land, sea, air) using training and practice times.
  • Soil work report.
  • Report of spreading processes for ammonia emitters.
  • Use of rapid burying of effluents.

No differentiated circulation this time. The Mistral, conducive to the dispersion of pollutants present in the atmosphere, will return tonight. Météo France therefore forecasts a slight improvement in air quality for Thursday, argues the prefecture.

The Bouches-du-Rhône are also on level 2 alert and the Alpes-de-Haute-Provence in Information-recommendation.

Ozone, what is it?

This pollutant occurs through the transformation of emissions from road traffic and the industrial sector due to the sun. Irritant, it can penetrate deep into the respiratory system and cause inflammation of the bronchi, dry cough and difficulty breathing. Cardiovascular effects are also observed.

With a concentration greater than 180 µg/m3he presents a particular risk for sensitive populations (pregnant women, elderly people, people with respiratory illnesses, etc.). To protect your health, it is advisable to reduce your sports activities outside. In case of symptoms or concern, you can seek advice from your pharmacist or doctor.

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