Air Quality in Yongzhou City, Hunan Province

The air quality in Yongzhou, Hunan Province was excellent from June 5, 20438 to October 4, 2024/KLOC-0.

The key word of 65438 Yongzhou weather on June 4, 2024 is "sunny". Today it is sunny in Yongzhou during the day, with the highest temperature of 15℃ and the lowest temperature of 4℃. In terms of wind, from day to night today, the local southwest wind is level 2, the relative humidity is 55%, the ultraviolet rays are strong, and the air quality is 42, which is excellent.

Air quality refers to the harm degree of pollutants in the air, which is determined by the comprehensive conditions such as the type and quantity of pollutants in the air, the pressure and intensity of airflow, temperature and so on. Air pollution can be roughly divided into two categories, namely fine particle pollution and air pollution. The pollutants polluted by fine particles are mainly particles containing heavy metal elements such as manganese, sulfur and chlorine. Air pollution pollutants are mainly composed of smoke, waste gas and toxic gases, which are also very harmful to human body.

Some activities that affect air quality

1, exhaust gas. Vehicles such as cars, ships and planes do bring convenience to people's lives, but they are also one of the most important reasons for air pollution. Emissions from internal combustion engines, including nitrogen oxides and carbon monoxide, some of which have a certain destructive effect on the ozone layer. As the ozone layer becomes thinner, the surface temperature will gradually increase.

2. Use of fossil fuels. Factories, enterprises, offices and even families use fossil fuels and coal to generate electricity or heat. However, their direct discharge will completely cause serious air pollution. In addition, they are harmful to plants, which will reduce the production of oxygen.

3. Production of oil. Oil is the driving force of vehicles, but this useful substance is one of the main factors that cause global air pollution. Burning oil will release substances such as carbon dioxide and nitrogen oxides into the air. If toxic gases such as nitric oxide are inhaled, it may lead to diseases.