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Wednesday, February 28, 2024

Smog in Poland. Wednesday 31/01. Check the air quality in your city

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Smog covers southern Polish cities on Wednesday. In the evening, the worst situation occurs, among others, in Opole and Zakopane. Check what kind of air you breathe.

According to data from 9 p.m., the worst, poor air quality, in terms of PM2.5 dust, was in Opole. The local measurement station showed the concentration of harmful particles in the air at the level of 108 micrograms per cubic meter (µg/m3), which means 432 percent of the daily norm.

In the case of PM10 dust, the worst situation was recorded in Nowy Sącz (136 µg/m3, i.e. 272% of the daily norm), Zakopane (135 µg/m3, i.e. 270% of the daily norm), Sucha Beskidzka (121 µg/m3, i.e. 242% of the daily norm), Opole (117 µg/m3, i.e. 234% of the daily norm), Zdzieszowice (110 µg/m3, i.e. 220% of the daily norm) i Myślenice (104 µg/m3, i.e. 208% of the daily norm).


When the air quality is good

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We talk about good quality air when the concentration of harmful dust does not exceed:

  • in the case of PM10 dust – 50 micrograms per cubic meter (µg/m3);
  • in the case of PM2.5 dust – 25 µg/m3.

Sources of PM10 dust emissionsPolish Smog Alert

What is PM10

PM10 is a mixture of particles suspended in the air with a diameter not exceeding 10 micrometers. Its occurrence is related, among other things, to the combustion processes of solid and liquid fuels.

What is PM2.5

PM2.5 is a mixture of particles suspended in the air with a diameter not exceeding 2.5 micrometers. According to the World Health Organization, it is the most harmful atmospheric pollutant to humans. It reaches not only the respiratory system, but also the circulatory system. It stays in our body much longer.

Main photo source: Shutterstock

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