Daily air pollution data by city for April.

Publication by city for April 1Publication by city for April 16
Publication by city for April 2Publication by city for April 17
Publication by city for April 3Publication by city for April 18
Publication by city for April 4Publication by city for April 19
Publication by city for April 5Publication by city for April 21
Publication by city for April 7Publication by city for April 22
Publication by city for April 8Publication by city for April 23
Publication by city for April 9Publication by city for April 24
Publication by city for April 10Publication by city for April 25 - 26
Publication by city for April 11Publication by city for April 28
Publication by city for April 12 
Publication by city for April 14 
Publication by city for April 15 
Print Version Published: 03 April 2025