Chengdu Jinniu air quality

Chengdu Jinniu air quality is 49 excellent.

It is very good news that the air quality in jinniu district has reached an excellent level. Good air quality means that the air quality in this area is very good and has no negative impact on human health and the environment. The air quality has reached an excellent level, indicating that the air pollution level in this area is very low, and the concentrations of various pollutants are lower than the national standards. This shows that industrial emissions, traffic exhaust and other pollution sources in this area have been effectively controlled, and that the natural environment in this area has been well protected.

Good air quality also means that the air in this area is fresh and pleasant, which is beneficial to people's health and survival. Living and working in such an environment, people can enjoy life more comfortably and healthily. In a word, the air quality in jinniu district is excellent, which is good news to celebrate. We should continue to work hard to strengthen environmental protection, protect the environment and make our life better.

Air quality pollution index:

Air pollution index is a method to reflect and evaluate air quality, which simplifies the concentrations of several air pollutants routinely monitored into a single conceptual numerical form, and represents air quality status and air pollution degree in stages. The results are concise, intuitive and easy to use, which is suitable for expressing the short-term air quality status and changing trend in cities. Air pollution index is to determine the classification of pollution index and the corresponding pollutant concentration limit according to the ambient air quality standard and the influence of various pollutants on human health and ecological environment.

The air pollution index (API) currently used in China is divided into five grades, and the API value is less than or equal to 50, which means that the air quality is excellent, which is equivalent to reaching the first-class national air quality standard and meeting the air quality requirements of nature reserves, scenic spots and other areas that need special protection.