In early September, Hebei Province Air Quality Forecast Association was announced

Ecological environmental emergency and severe pollution weather early warning centers and China Environmental Monitoring Station, Provincial Meteorological Disaster Defense and Environmental Meteorological Center Federation, are expected to gradually turn into weak air pressure in the early stage of September 2022 (1st to 10th). Field control, the overall temperature is low, the wind is weakened, and the diffusion conditions are poor, and some cities may have mild pollution; from the 5th to 6th, due to the continuous influence of the strong Northwest wind, the diffusion conditions are favorable. Lord; from the 7th to 10th, the ground in the central and southern and eastern regions turned to the south wind, the wind was weak, the temperature rose in the afternoon and the cloud volume was small, and some cities might have a mild pollution of oxygen.

The specific forecast results are as follows:

On September 1, the ground of our province gradually turned to the influence of the north of the front part of the high pressure. Zhangjiakou, Chengde, Qinhuangdao, and Tangshan were affected by the north wind, and the diffusion conditions were favorable. The air quality was mainly excellent; Shijiazhuang, Xingtai, and Handan were affected late by North Wind and weak wind. Ozone critical pollution may occur, and the air quality is mainly based on good to mild pollution. In the early stage of other cities, other cities were affected by the Northeast wind in the early stage. In the afternoon, it turned to the east wind, the temperature was 28 ° C, the relative humidity was about 50%. Things are PM2.5 and ozone. Among them, Baoding and Shijiazhuang have weak winds at night and high humidity. PM2.5 short -term high value may occur.

On the 2nd, the ground in our province turned to high -pressure control. Zhangjiakou and Chengde have a temperature of 25 ° C in the afternoon and a relative humidity of about 40%. The air quality is mainly excellent; Qinhuangdao and Tangshan were affected by the north wind in the early stage. The pollution was cleared. ; Cangzhou and Hengshui are affected by the southeast wind. The temperature in the afternoon is 28 ° C, the relative humidity is about 40%, and the air quality is mainly good. At about 50%, the air quality is mainly based on good to mild pollution, and the primary pollutants are PM2.5 and ozone. Among them, Langfang, Baoding, and Shijiazhuang have weak ground winds in the morning and 90%of humidity, and PM2.5 short -term high value may occur.

On the 3rd, the ground of our province turned to the weak gas pressure field control, the wind weakened, and the cloud volume increased. Zhangjiakou was affected by the possible weak precipitation process. The temperature in the afternoon was about 20 ° C, and the air quality was mainly excellent; Chengde was affected by precipitation late, and the south wind was mainly in the afternoon. The humidity was high and the air quality was mainly good. , Cangzhou and Hengshui are mainly southeast winds, without obvious transmission effects. The temperature in the afternoon is 25 ° C, the relative humidity is about 50%, and the air quality is mainly good. Below S, the temperature in the afternoon is 28 ° C and the relative humidity is about 50%. The air quality is mainly based on good to mild pollution. The first pollutants are PM2.5 and ozone.

On the 4th, the ground was controlled by the weak gas pressure field. Zhangjiakou began to be affected by western wind in the afternoon, and the diffusion conditions turned favorable, and the air quality was mainly excellent; Chengde was dominated by the southwest wind. The temperature in the afternoon was 24 ° C and the relative humidity was about 60%. Lord; Qinhuangdao was affected by the south wind and did not obviously transmitted upstream. The temperature in the afternoon was 25 ° C, and the air quality was mainly good. In other cities, it was affected by southern wind. The temperature in the afternoon was 28 ° C and the relative humidity was about 50%. The main pollution is mainly PM2.5 and ozone. Among them, Baoding, Shijiazhuang, Xingtai, Handan, the wind speed of about 1m/s in the morning and evening, about 90%of the relative humidity, PM2.5 short -term mild pollution may occur.

On the 5th, the ground in our province was affected by the weak and high pressure on the north of the front part of the province. Zhangjiakou, Chengde, Qinhuangdao, Tangshan, Langfang, Baoding, Cangzhou, and Hengshui were affected by the north wind. The temperature in the afternoon was below 25 ° C and the relative humidity was about 30%. In the evening, the temperature in the afternoon was 26 ° C and the relative humidity was about 40%. The air quality was mainly good. The primary pollutants were PM10 and PM2.5.

On the 6th, the ground in our province was affected by the northwest wind in the front of the high pressure. The air quality in most areas is mainly excellent. Among them, Shijiazhuang, Xingtai, and Handan have weak winds. The temperature in the afternoon is 29 ° C, the relative humidity is about 50%, and the air quality is good. Lord, the primary pollutants are PM10 and ozone.

On the 7th, the province was controlled by high pressure. Zhangjiakou and Chengde were affected by North Wind. The temperature in the afternoon was 26 ° C and the relative humidity was about 30%. The air quality was mainly excellent; Qinhuangdao, Tangshan, Langfang, Cangzhou, and Hengshui were affected by North Wind in the early stage. , The temperature is 28 ° C, the relative humidity is about 30%, and the air quality is mainly good; other cities gradually turn to the influence of the southeast wind, the wind is weak, the temperature in the afternoon is 29 ° C, the relative humidity is about 50%, the air quality is good to light to light to light, The main pollution is the main pollutant is ozone.

From the 8th to 9th, the ground of our province turned to weak gas pressure field control. Zhangjiakou and Chengde's ground wind is weak. The temperature in the afternoon is 27 ° C, the relative humidity is about 40%, and the air quality is mainly based on good; other cities are affected by the southeast wind, the wind is weak, the pollution is slowly accumulated. On the left and right, the air quality is mainly based on good to mild pollution, and the primary pollutant is ozone. Among them, Shijiazhuang, Baoding, and Xingtai are in a weakened area in the morning and evening, with a humidity of about 80%, and PM2.5 short -term high value may occur.

On the 10th, the ground was controlled by the weak gas pressure field on the ground, the wind was weak, and the amount of clouds in the sky was small.Zhangjiakou and Chengde's ground wind is weak. The temperature in the afternoon is 27 ° C, the relative humidity is about 40%, and the air quality is mainly good. Qinhuangdao, Tangshan, Cangzhou, and Hengshui are affected by Nanfeng.At about 40%, the quality of the air is mainly light to mild pollution; Langfang, Baoding, Shijiazhuang, Xingtai, Handan, are continuously affected by Nanfeng, the wind is weak in the morning and evening, and the relative humidity is high.In the afternoon, the temperature was 30 ° C and the relative humidity was about 50%. The air quality was mainly mild pollution, and the primary pollutant was ozone.

Source: Shijiazhuang Daily Client

Reporter: Wang Chong

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