Wood stoves and open fires a big source of PM2.5, identified by WHO as most serious air pollutant for human health
Restrictions on the sale of coal, wet wood and manufactured solid fuels that can be burned in the home have come into force in England as the government attempts to cut air pollution.
Wood-burning stoves and open fires can still be used from 1 May but must be fuelled by cleaner alternatives, the Department for the Environment, Food and Rural Affairs said.
