Hebei announced the results of the province's air quality forecast in late September

On September 21, Hebei Province's ecological environment emergency and severe pollution weather early warning center and China Environmental Monitoring Station, Provincial Meteorological Disaster Defense and Environmental Meteorological Center jointly released the results of the province's air quality forecast meeting in late September

It is estimated that from September 26th to 30th, the ground turning of the air pressure field in Hebei Province is controlled. In the morning and evening, the wind decreases and the humidity is increased. Things are PM2.5 and PM10.

On September 22, Hebei Province gradually turned to the front of the northwest high pressure. Zhangjiakou, Chengde, and Baoding are affected by strong Northwest wind, and the quality of the air is mainly excellent; Qinhuangdao and Tangshan are affected by strong precipitation, and the air quality is mainly good; Langfang, Cangzhou, and Hengshui are affected by the north wind, and the wind is weak. In the afternoon, the temperature was 25 ° C and the humidity was about 40%, and the air quality was mainly good; Shijiazhuang, Xingtai, Handan was affected by the north wind, the wind was weak, the temperature in the afternoon was 28 ° C, the humidity was about 40%, and the air quality was good to mild pollution. Mainly, the primary pollutants are PM10 and ozone.

On September 23, the ground was continuously affected by the northwestern wind and low humidity. The temperature in the afternoon was below 24 ° C. The overall diffusion conditions were favorable. Most air quality in the province was mainly excellent. Among them, Shijiazhuang, Baoding, Xingtai, and Handan have weak winds, and the air quality is mainly good. The primary pollutant is PM10.

On September 24, the ground gradually turned to the rear of high pressure, and most cities were affected by weak south winds. Zhangjiakou is a strong southwest wind, with good diffusion conditions, and the air quality is mainly excellent; Chengde and Qinhuangdao temperature in the afternoon of 22 ° C and humidity below 30%. There is no obvious accumulation of pollution. The temperature in other cities in the afternoon is about 26 ° C and the humidity is below 30%. The air quality is mainly good, and the primary pollutants are PM10 and ozone.

On September 25, the ground was at the rear of high pressure. Zhangjiakou was affected by strong southwest wind, and the air quality was mainly excellent; other cities were affected by the south wind. The wind was slightly enhanced in the afternoon, with a humidity of about 40%. The air quality was mainly good. The primary pollutants were PM10 and ozone.

On September 26, the ground was at the rear of high pressure and continued to be affected by the south wind. Zhangjiakou, Chengde, and Qinhuangdao have a temperature of 24 ° C in the afternoon and about 40%of the humidity. The air quality is mainly good; other cities have weak winds, high humidity in the morning, accumulated pollutants. The main pollution is PM10 and ozone.

On September 27, the ground was at the rear of high pressure, which continued to be affected by the south wind, and the wind weakened. Zhangjiakou, Chengde, Qinhuangdao, Tangshan humidity is about 40%, the pollutants are slowly accumulated, and the air quality is mainly good; Shijiazhuang, Baoding, Langfang temperature in the afternoon of 26 ° C, about 40%of the humidity, and the air quality is mainly mild pollution. The primary pollutants are PM10 and ozone; Cangzhou, Hengshui, Xingtai, Handan morning and evening humidity is more than 70%, the wind speed is small, and the pollutants continue to accumulate. Things are PM2.5 and PM10.

On September 28, the ground turned to the weak gas pressure field control. Affected by the possible weak precipitation process, the overall humidity increased, and the temperature in the afternoon was below 24 ° C. Zhangjiakou and Chengde are affected by the disturbance of Northwest wind, and the quality of the air is mainly excellent; Qinhuangdao and Tangshan are dominated by west wind, affected by precipitation, about 80%of the humidity, and the air quality is mainly good. More than 70%, the diffusion conditions are poor, affected by the convergence of the north -south wind, the pollution convergence, the air quality is mainly mild pollution, the primary pollutants are PM2.5 and PM10.

On September 29, under the control of weak pressure, the temperature in the afternoon was below 24 ° C. Zhangjiakou turned to the southwest wind in the afternoon, with a humidity below 30%, and the air quality was mainly excellent; Chengde, Qinhuangdao, and Tangshan were mainly north winds, with a humidity below 30%, the diffusion conditions were good, and the air quality was mainly excellent; Langfang, Cangzhou, Cangzhou In the short time, Hengshui was affected by the short -term north wind, and the humidity dropped to about 40%. The pollution was slightly alleviated. The air quality was mainly good; Shijiazhuang, Baoding, Xingtai, Handan, and Handan's morning and evening humidity was more than 70%. In accumulation, the air quality is mainly based on good to mild pollution, and the primary pollutants are PM2.5 and PM10.

On September 30, the ground turned to the bottom of the northeast high pressure. Zhangjiakou, Chengde, Qinhuangdao, Tangshan, and Langfang are affected by strong Northeast wind. The diffusion conditions are better, and the air quality is mainly excellent; Cangzhou and Hengshui are affected by the Northeast wind, the humidity is low, and the air quality is mainly good. The influence of the east wind, the wind is weak, the humidity of the morning and evening is slightly higher, and the air quality is mainly due to good to mild pollution. The primary pollutants are PM2.5 and PM10.

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