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Developing! The sand and dust are advancing westward! This weekend, the North China Plain needs to guard against ozone pollution in the afternoon

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Developing! The sand and dust are advancing westward! This weekend, the North China Plain needs to guard against ozone pollution in the afternoon

△ National Air Pollution Meteorological Conditions Forecast Map (Central Meteorological Observatory/Fa)

People's Voice of the World, May 15, Beijing Express In the blink of an eye, the traditional 24 solar terms of "Lixia" have arrived. On the national weather stage this week (May 13-May 19), in the opinion of experts, the temperature in many places in the north will hit new highs one after another and may break records. The rainfall in the south will show a trend of less and then more.

Developing! The sand and dust are advancing westward! This weekend, the North China Plain needs to guard against ozone pollution in the afternoon

△ National Air Pollution Meteorological Conditions Forecast Map (Central Meteorological Observatory/Fa)

Experts said that the monitoring data showed that from the morning to the evening of this day (15th), the sand and dust in the Hexi Corridor of Gansu and eastern Xinjiang continued; In addition, some of the sand and dust are advancing westward under the action of low-altitude easterly winds. As a result, the air quality in Turpan and Korla at 19 o'clock deteriorated, and PM10 concentrations increased significantly. In Wuwei and Jinchang, Gansu Province, where PM10 concentrations are located in the east, they will turn to moderate pollution at 7 p.m.

Developing! The sand and dust are advancing westward! This weekend, the North China Plain needs to guard against ozone pollution in the afternoon

△ National Air Pollution Meteorological Conditions Forecast Map (Central Meteorological Observatory/Fa)

It is worth noting that industry insiders emphasized that it is not difficult to find that it is not difficult to find that from tonight to tomorrow (16th), there will be sand and dust in southern and eastern Xinjiang and western Gansu; and, possibly, continue to transmit westward; As a result, the air quality in Hotan and Kashgar may deteriorate tomorrow. In addition, high temperatures may occur in the North China Plain from the 17th to the 19th, which will lead to ozone pollution. Therefore, members of the public should try to minimise going out in the afternoon and close doors and windows. After dark, the ozone concentration drops, and the windows can be opened again for ventilation. (Editor-in-charge/Xiangyu)

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