Low-income countries
Key
Decrease in particulates*
Limited change
Increase
Europe
74%
13
13
Americas
70
19
12
Eastern Mediterranean
47
22
32
Western Pacific
46
23
31
South and south-east Asia
28
25
47
High-income countries
Europe
61
25
14
Americas
57
28
15
Eastern Mediterranean
29
25
43
Western Pacific
49
29
23
Low-income countries
High-income countries
Key
Decrease in particulates
Limited change
Increase
Europe
74%
13
13
61
25
14
Americas
70
19
12
57
28
15
Eastern Mediterranean
47
22
32
29
25
43
Western Pacific
46
23
31
49
29
23
South and south-east Asia
28
25
47