Many parts of the UK are smoke control areas. This means you can't emit smoke from a chimney unless you're burning an authorised fuel or using an exempt appliance, such as a boiler or stove.
You may be fined up to £1,000 if you break the rules.
Use the map below to see smoke control areas which are highlighted:
Find out if you're in a smoke control area
Exempt appliances
Unauthorised fuels such as wood can be burned in exempt appliances like boilers, cookers and stoves.