Air pollution in Europe, January 19, http://2021.Red - more polluted. http://dlvr.it/RqzDyJ
@onlmaps wow. what's going on there?
@actualsteerpikeMaybe heating with coal ?@onlmaps
@r_a @onlmaps possibly. or woodburners.
@actualsteerpikeActually both.@r_a @onlmaps
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