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Original title: This week there is a moderate to severe air pollution process in Henan province to start the orange alert Source: Henan Provincial Department of Ecology and Environment
According to the latest results of the consultation between the China Environmental Monitoring Center, the Provincial Meteorological Observatory and the Provincial Environmental Monitoring Center, affected by adverse weather conditions, it is expected that from January 19 to 23 humidity will increase in most of areas of Henan province, the temperature reversal will be significant and there will be interregional pollution. Transmission, most of the areas of Henan province can have moderate to severe pollution.
Anyang, Jiaozuo and Puyang are forecast to experience heavy pollution in 3 days and medium or heavy pollution in 1 day; Luoyang, Sanmenxia, Nanyang and Jiyuan will experience heavy pollution in 3 to 5 days; Zhengzhou, Kaifeng, Pingdingshan, Hebi, Xinxiang, Xuchang and Luohe will be moderately or heavily contaminated for 3-4 days.
In order to reduce the peak of contamination and shorten the duration of severe contamination, in accordance with the requirements of the regional emergency response, the Provincial Office for Prevention and Control of Pollution recommended that the 14 places above start the orange alert and the Level II High Pollution Weather response at 12:00 on January 18. The Provincial Office for Pollution Prevention and Control reminds citizens that they must have good health protection during periods of pollution, and all localities strengthen the implementation of early warning and emission reduction measures.
The reporter learned that the city of Zhengzhou has decided to adjust the yellow warning for high pollution weather conditions to an orange warning as of 18:00 on January 18 according to the results of the air quality consultation. , and adjust the level III response measures to the corresponding level II measures.
Forecast for the next 7 days
On the 18th, the southwest airflow prevailed during the day, and the northeast airflow turned to the northeast airflow at night, and the humidity increased. During the day, the pollution is mainly good or light, and at night the central and eastern parts of the north will reach moderate or even severe pollution. Estimated daily average: Anyang and Puyang have light or moderate pollution, and other areas have good or light pollution. The main pollutant is PM2.5.
On the 19th, the east wind prevailed in the province and the propagation conditions in the north and west regions deteriorated further. There will be a moderate to severe PM2.5 pollution process in the northern, central and western regions. Estimated Daily Average: North, West, and Southwest regions are moderately or heavily polluted, the central region is lightly polluted, and other regions are mostly good. The main pollutant is PM2.5.
On the 20th, easterly winds in the eastern region, north winds in other regions, wind force of about 2 levels and high humidity in the morning and at night. Most of the province has moderate to severe pollution processes. Estimated Daily Average: North, Central and West regions are moderate to severe polluted, and other regions are mainly polluted by light from good to light. The main pollutant is PM2.5.
On the 21st, the humidity was high in the morning and at night, and the province was still experiencing moderate to severe pollution. During the day, affected by the weak cold air, the air quality in the west, center and south will improve for a short time. Estimated Daily Average: The western region is mostly lightly polluted and other areas are moderately or heavily polluted. The main pollutant is PM2.5. Among them, on the 21st, due to the impact of uncertain dust and sand, the forecast level was raised by one level.
From the 22nd to the 23rd the diffusion conditions were bad, high humidity and sooner or later there was a temperature inversion. Moderate to severe pollution will occur in most of the province. Estimated daily average: Zhumadian and Xinyang have light or moderate pollution, and other areas have moderate or heavy pollution. The main pollutant is PM2.5.
On the 24th, the contamination accumulated even more. Short periods of severe pollution can occur in some northern parts, and the province has a moderate to severe pollution process. Estimated Daily Average: The province is mainly moderate to severe polluted. The main pollutant is PM2.5.
On the 25th, during the day, the entire province was in an equalizing field, and there was still a process of contamination from moderate to severe on a large scale; at night cold air affected the province and the western region improved slightly. Estimated daily average: The province is dominated by moderate to severe pollution. The main pollutant is PM2.5.
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Information claim: Chen Jie021-26093100
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