Tory MP Neil Parish is asking the government about urban air pollution.
Plenary begins with Questions to the First Minister, and includes a debate on the Older People's Commissioner for Wales' Annual Report 2017-18.
MSPs take evidence on the Management of Offenders Bill from Scotland's chief inspector of prisons.
Ofgem director Chris Poulton faces the RHI Inquiry to answer questions on his role in the botched energy scheme.
Belgian Prime Minister Charles Michel makes a speech about the future of the EU at the European Parliament.
Opportunities to consider amendments litter Parliament's agenda in the week ahead - but not the eagerly-awaited EU Withdrawal Bill.