4. What natural conditions are conducive to the dissipation of smog?

1, atmospheric pressure: higher than the standard atmospheric pressure, which is conducive to the diffusion of pollutants and the elimination of smog;

2. The wind speed is higher than level 3 wind, which is beneficial to the diffusion of pollutants and the elimination of smog;

3, it is not an inversion weather, which is conducive to eliminating smog.