A cloud of dust enveloped Brno. See how fireworks pollute the air
/PHOTOMAPS/ People in South Moravia welcomed the arrival of the new year 2023 with fireworks or setting off other fireworks. However, this activity has a negative impact on air quality. According to experts, the concentration of some cleaning agents during New Year’s celebrations often deteriorates significantly.
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Gradual contamination of the air above Brno with dust particles at the turn of last year and this year. This is due to the setting off of pyrotechnics.
| Photo: CHMU
“Especially in cities, where the intensity of firing is the highest and at the same time, these are often places that are very poorly developed with regard to dense built-up areas. For example, a square or a housing estate,” said Jáchym Brzezina, head of the air quality department of the Brno branch of the Czech Hydrometeorological Institute.
Particle concentrations shortly after New Year’s midnight are the highest ever for the entire following year, which is just beginning. Pollution appears most prominently in the capture of dust particles. “We recorded the highest hourly maximum this year at the station in Tábor, namely 821 micrograms per cubic meter, and in Znojmo, up to 401 micrograms per cubic meter,” said Brzezina.
Drivers take a moment to breathe. Further modifications of the I/53 between Znojmo and Brno are coming
The station in Znojmo has been monitoring the air quality in this location since the last months of 2003. Higher values than the currently measured 401 have been recorded there only once, in the afternoon of February 21, 2004.
In the attached map, people can also see how the hourly average concentrations of particles in Brno changed in the last three hours of 2022 and the first three hours of 2023.
According to experts, explosions of pyrotechnics are a combustion process and they are the typical sources of especially smaller particles. In addition, from a health point of view, they represent a higher potential risk. “In Znojmo, they recorded the maximum average hourly concentration of dust particles of 2.5 (up to 2.5 micrograms in diameter – editor’s note) of 320 micrograms per cubic meter,” Brzezina calculated. They have been monitoring the concentration of these particles at this station since 2010. the highest hourly average concentration of these smaller particles ever measured.
Celebrations in the south of Moravia were disrupted by a knife attack. The balcony was on fire from pyrotechnics
However, according to experts, setting off pyrotechnics does not only have an adverse effect on air quality. “These include, among other things, soil and water pollution, scaring wildlife, risks of accidents, fires, a lot of sometimes dangerous waste,” Brzezina listed.
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