The air is clean, yet the heating indicator is on red half the time, how is that possible?

Can you turn on the wood stove if it might bother the neighbors? The Stookwijzer, a website with heating advice, is increasingly showing code red. With that advice in hand, municipalities decide on a burning ban. ‘Enter an MOT to get rid of the dirtiest stoves and fireplaces.’ You can also listen to this story:

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