Hijau dan taman di kota
Kolonnawa Division 62%
Maladewa: 31% India: 48% Bangladesh: 33% Myanmar: 33%partikulat Matter PM 2.5
Kolonnawa Division 35 (Moderate)
Kenikmatan menghabiskan waktu di kota
Kolonnawa Division 52%
Maladewa: 37% India: 40% Bangladesh: 26% Myanmar: 24%partikulat Matter PM10
Kolonnawa Division 61 (Unhealthy for Sensitive Groups)
Polusi udara
Kolonnawa Division 56%
Maladewa: 60% India: 65% Bangladesh: 78% Myanmar: 83%Pembuangan sampah
Kolonnawa Division 41%
Maladewa: 30% India: 34% Bangladesh: 22% Myanmar: 12%Ketersediaan dan kualitas air minum
Kolonnawa Division 63%
Maladewa: 43% India: 48% Bangladesh: 44% Myanmar: 34%Kebersihan dan kerasnya
Kolonnawa Division 52%
Maladewa: 32% India: 37% Bangladesh: 23% Myanmar: 18%Kebisingan dan polusi cahaya
Kolonnawa Division 52%
India: 59% Bangladesh: 63% Myanmar: 52%Polusi air
Kolonnawa Division 63%
Maladewa: 79% India: 69% Bangladesh: 74% Myanmar: 74%