With the rapid development of industrialization and urbanization, air pollution is becoming more and more serious, which has become one of the important factors affecting human health and quality of life. Faced with this challenge, governments, enterprises and the public are actively taking measures to improve air quality and reduce the negative impact of environmental pollution. In recent years, through the application of a series of effective policies and technical means, the air quality around the world has been significantly improved, but there are still great differences in purification effects between different regions. This paper will discuss how to further narrow these "air purification gaps" and jointly build a cleaner and healthier living environment.

First, the current situation analysis

1. Technical level: Advanced air purification technologies and equipment, such as high efficiency filters and photocatalytic oxidation, are widely used in developed areas, while the purification facilities in underdeveloped areas are relatively backward.

2. Economic support: countries or regions with better economic conditions can invest more resources in environmental protection projects, including air treatment projects and clean energy promotion; On the contrary, poor areas are facing the problem of shortage of funds.

3. Consciousness level: The social awareness of environmental protection also directly affects the progress of air purification. Some communities or individuals lack sufficient awareness of environmental protection, which leads to the persistence of bad living habits and aggravates air pollution.

Second, the solution proposal

1. Strengthen international cooperation: Developed countries should provide technical support and financial assistance to developing countries to help them establish and improve air purification systems and realize resource sharing and technology transfer.

2. Improve public participation: Enhance the public's awareness of environmental protection through education and publicity, and encourage everyone to start from daily trivial matters, such as reducing the use of private cars, saving electricity and water, and making joint efforts to reduce the pressure of environmental pollution.

3. Promote green technology innovation: increase investment in research and development in new energy vehicles, renewable energy and other fields, and develop air purification products and services with lower cost and higher efficiency, so that more people can benefit from scientific and technological progress.

　　Third, the conclusion

Narrowing the gap in the field of air purification is a long-term and arduous task, which requires the international community to work together to cope with it. We believe that with the unremitting efforts of all parties, the future world will surely have fresher air and leave a blue sky and green land for future generations.