The cold fronts when dissipate the heat associated with the smoke produced by fires set at the time, does the relative humidity drops to very low levels, sometimes below 15%, increasing cases of respiratory diseases.
The cold fronts when dissipate the heat, does the relative humidity drops to very low levels below 15%. This is sometimes. This heat is associated with the smoke. This smoke is produced by fires. These fires are set at the time.15% is increasing cases of respiratory diseases.