| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2016-09 | 2016-08 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3:ppm | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.01 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.04 (Good) | 0.03 (Good) | 0.02 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.01 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) |
Màu xanh lá cây và công viên trong thành phố
Québec 67%
nước Mỹ: 70% Venezuela: 41% Iceland: 72%vật chất hạt PM 2.5
Québec 9 (Good)
Niềm vui của chi tiêu thời gian trong thành phố
Québec 71%
nước Mỹ: 75% Bahamas: 53% Venezuela: 41% Iceland: 89%vật chất dạng hạt PM10
Québec 16 (Good)
Ô nhiễm không khí
Québec 31%
nước Mỹ: 29% Bahamas: 52% Venezuela: 59% Iceland: 13%Nghiền rác
Québec 63%
nước Mỹ: 71% Bahamas: 29% Venezuela: 18% Iceland: 79%Sẵn có và chất lượng nước uống
Québec 77%
nước Mỹ: 71% Bahamas: 55% Venezuela: 28% Iceland: 96%Sạch sẽ và ngon
Québec 63%
nước Mỹ: 60% Bahamas: 35% Venezuela: 22% Iceland: 75%Tiếng ồn và ô nhiễm ánh sáng
Québec 62%
nước Mỹ: 47% Bahamas: 39% Venezuela: 47% Iceland: 23%Ô nhiễm nước
Québec 52%
nước Mỹ: 44% Bahamas: 58% Venezuela: 76% Iceland: 8,4%Des Sables
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2016-09 | 2016-08 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3:ppm | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.04 | 0.03 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.01 | 0.03 | 0.03 | 0.03 | 0.03 |