TOSHKENT SHAHRI HAVOSINING 2019-2023-YILLAR DAVOMIDA PM2,5 VA PM10 MAYDA DISPERS ZARRALAR BILAN IFLOSLANISH HOLATINING TAHLILI

Tashkent city is the capital of our country and a rapidly developing large city. Along with the growth of the city’s economy and population, the level of air pollution is also increasing. PM2.5 and PM10 particulate matter are indicators of air pollution. This article analyzes the level of pollution in Tashkent city from PM2.5 and PM10, examines its causes and negative effects. The dynamics of change was statistically analyzed based on the Mann-Kendal Test. According to the trend test results, significant changes were found for PM2.5 in 2019 (Z=2.21), in 2020 (Z=2.11), in 2021 (Z=3.63), in 2022 (Z=2.31), and in 2023 (Z=3.21), with similar results for PM10 (Z=2.02) and NO2 (Z=2.26). Based on these results, necessary conclusions were drawn for future atmospheric air monitoring.