2017-2023
2023
World Air Quality Report
0-5
Meets WHO guideline
5.1-10
Exceeds by 1 to 2 times
10.1-15
Exceeds by 2 to 3 times
15.1-25
Exceeds by 3 to 5 times
25.1-35
Exceeds by 5 to 7 times
35.1-50
Exceeds by 7 to 10 times
>50.1
Exceeds by over 10 times
Rank | City | 2023 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Bayamon, Puerto Rico | 8.7 | 1.3 | 3.8 | 1.7 | 1.7 | 15.9 | 13.7 | 8.5 | 10.5 | 12.3 | 4.5 | 7.2 | 5.2 | 7.3 | 4.9 | -- | -- | -- | -- |
2 | Guayanilla, Puerto Rico | 4.4 | 2.5 | 3.2 | 5.3 | 4.5 | 5.4 | 5.2 | 5.8 | 4.9 | 2 | 1.9 | 1.3 | 1.6 | 3.3 | 5.4 | -- | -- | -- | -- |
3 | Camuy, Puerto Rico | 3.8 | 1.8 | 2.3 | 4.1 | 3.5 | 5.1 | 5.1 | 5.4 | 4.6 | 3.9 | 3.2 | 1.5 | 0.8 | 2.9 | 4.3 | 3.7 | 4.1 | -- | -- |
4 | Caguas, Puerto Rico | 3.6 | 1.8 | 1.8 | 3.7 | 3.3 | 4.6 | 4.2 | 5 | 4.2 | 3.8 | 3.4 | 4 | 3.2 | 2.4 | 4.6 | -- | -- | -- | -- |
5 | San German, Puerto Rico | 3.5 | 2 | 2.7 | 4.9 | 3.3 | 4.1 | 4.2 | 4.6 | 3.8 | 3.5 | 2.6 | 1.8 | 1.6 | 2.8 | 4.1 | 3.7 | 3.7 | -- | -- |
6 | San Juan, Puerto Rico | 2.7 | 2.3 | 1.5 | 3.6 | 1.9 | 2.3 | 1.9 | 5.2 | 4.5 | 3.9 | 2.2 | 2.7 | 1.1 | 3.3 | 4.8 | -- | -- | -- | -- |
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