One effective way to reduce air pollution is by regulating industrial emissions. Governments can enforce stricter emission standards for factories and require them to use advanced filtration technologies. This would help in significantly reducing the pollutants released into the air. Additionally, regular monitoring and heavy penalties for violations can ensure that industries comply with these regulations.

Promoting public transportation can significantly reduce air pollution. By improving the availability and efficiency of public transit systems and subsidizing fares, more people might be encouraged to use these services instead of driving their own cars. Additionally, investing in eco-friendly buses and trains can further decrease the environmental impact.

Adopting renewable energy sources is another effective method to reduce air pollution. Transitioning from fossil fuels to cleaner alternatives like solar, wind, and hydro power can significantly decrease air pollution. Providing incentives for the installation of renewable energy systems in homes and businesses can accelerate this shift.

Creating more green spaces in urban areas can help reduce air pollution. Planting trees, developing parks, and encouraging rooftop gardens can absorb pollutants and improve air quality. These initiatives not only beautify the city but also contribute to a healthier environment.