Strengthen ozone and PM2.5 collaborative control!Shijiazhuang released the air quality analysis last week and the situation prediction this week

On July 18, the Shijiazhuang City Environmental Forecast and Forecast Center released the results of air quality analysis last week and the results of this week's situation prediction.

Analysis of air quality and meteorological conditions last week

The weather in Shijiazhuang City, 13-15 in the middle of last week, was mainly sunny, with high temperatures, the highest temperature of 33-35 ° C, unfavorable pollution meteorological conditions, exertion of O₃ pollution, and light pollution of air quality. From 12:00 on July 11th to 13:00 on the 12th, there will be heavy rainy weather in the city. The average rainfall in the city has a 70.1 mm. From 23:00 on July 15th to 20:00 on the 16th, the city has decentralized array or thunderstorm weather. The average rainfall in the city is 1.3 mm. Affected by precipitation, the temperature decreased from the 11th to 12th, and 16th, O₃ pollution was relieved, and the air quality was excellent; on the 17th, the meteorological conditions remained favorable and the air quality was good.

Last week, Shijiazhuang City was first -level, 3 days, and three days of mild pollution for 3 days; the primary pollutants were O₃.

Environmental weather forecast this week

18th: The weather is sunny and cloudy, the southwind is 2-3, the highest temperature is 35 ° C, the temperature is high, the solar radiation is strong, O₃ pollution is increased, it is recommended to strictly control O₃ foreheads VOCs and NOX emissions control; night weather is cloudy and cloudy. , Glass 1-2 in the north wind, the lowest temperature of 24 ° C, relative humidity 60%-80%, the air quality is mainly good;

From 19th to 20th and 22nd: Affected by the weak and cold air, the temperature decreased, and the highest temperature day temperature was 31-32 ° C. Among them, there were dispersion or thunderstorms from the night of the 19th to the morning of the 20th to the morning of the 20th to the afternoon of the 22nd to the night of the night. Relieve;

On the 21st, 23rd to 24th: The weather is mainly cloudy, the highest temperature is 35 ° C, the wind direction is mainly southwind, the pollution diffusion weather conditions are generally unfavorable, mainly O₃ pollution, it is recommended to continue to strictly control O₃ front body VOCS and NOX emission control.

In the middle of the week and late week, the humidity is large on the 20th to 24th, and the relative humidity at night is 75%-95%. It is recommended to strengthen O₃ and PM2.5 collaborative control to prevent the PM2.5 rebound.

Source | Wireless Shijiazhuang client

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