Unless it has a lot of flue scrubbing, it's likely to be far, far worse than 200,000 reasonably modern cars in terms of things like fine particulate matter emis

Unless it has a lot of flue scrubbing, it's likely to be far, far worse than 200,000 reasonably modern cars in terms of things like fine particulate matter emissions, NOx and SOx emissions, etc. which are the real bad ones for health issues.