Annual mean PM2.5 levels for selected cities, micrograms per cubic metre
Stockholm Sweden
6
Los Angeles US
11
Tokyo Japan
15
London UK
15
Paris France
18
Beijing China
85
Delhi India
122
PM2.5 levels in Delhi on 7 November 2017
710
Annual mean PM2.5 levels for selected cities, micrograms per cubic metre
Stockholm Sweden
6
Los Angeles US
11
Tokyo Japan
15
London UK
15
Paris France
18
Beijing China
85
Delhi India
122
PM2.5 levels in Delhi on 7 November 2017
710