By city, Lima in Peru has the highest rate of new childhood asthma cases due to traffic pollution
Incidence rate (per 100,000 per year), and ranking among 125 world cities
Incidence rate (per 100k children)
0
100
200
300
400
500
600
1 Lima, Peru
2 Shanghai, China
3 Bogotá, Colombia
4 Beijing, China
5 Tianjin, China
6 Toronto, Canada
7 Shenyang, China
8 Los Angeles, US
9 New York City, US
10 Manila, Philippines