Table 1.
Environmental and mortality data
| Countries | No of cities | Period | No of deaths* | Median (interquartile range) No of daily deaths | Median (interquartile range) ozone level (µg/m3)† | Median (interquartile range) mean temperature (°C) |
|---|---|---|---|---|---|---|
| Australia | 3 | 2000-19 | 513 527 | 49.3 (43.7-55.7) | 31.2 (24.2-38.6) | 18.3 (14.8-21.5) |
| Canada | 26 | 1986-2011 | 2 914 630 | 12.8 (10.5-15.3) | 69.2 (53.9-88.4) | 7.3 (−1.0-15.7) |
| China | 3 | 1996-2015 | 780 655 | 87.3 (71.7-140.3) | 49.3 (27.8-77.5) | 20.4 (13.0-25.7) |
| Czech Republic | 1 | 1994-2009 | 214 062 | 36.0 (32.0-41.0) | 69.3 (47.4-95.0) | 9.2 (2.5-15.3) |
| Estonia | 4 | 2002-15 | 80 043 | 5.0 (3.5-6.5) | 48.9 (36.7-61.8) | 6.0 (0.2-13.6) |
| France | 18 | 2000-10 | 1 197 555 | 16.3 (13.7-19.1) | 67.8 (46.8-87.4) | 12.7 (7.6-17.9) |
| Germany | 12 | 1993-2015 | 3 099 176 | 30.4 (26.4-34.8) | 57.1 (35.8-79.2) | 10.5 (4.8-15.9) |
| Greece | 1 | 2001-10 | 287 969 | 78.0 (70.0-87.0) | 75.1 (52.8-97.5) | 17.9 (12.9-24.9) |
| Italy | 9 | 2006-15 | 373 421 | 15.1 (12.6-17.9) | 74.1 (50.5-97.0) | 15.8 (10.2-22.1) |
| Japan | 45 | 2011-15 | 1 856 232 | 22.3 (19.1-25.7) | 78.5 (62.4-98.4) | 16.1 (7.5-22.7) |
| Mexico | 7 | 2000-12 | 2 018 313 | 61.0 (53.7-69.4) | 108.9 (85.1-135) | 18.6 (15.9-20.5) |
| Portugal | 2 | 1997-2012 | 536 958 | 47.0 (41.0-54.0) | 64.2 (50.2-79.2) | 16.1 (12.5-19.6) |
| South Africa | 5 | 2004-13 | 924 478 | 58.4 (48.8-67.0) | 69.5 (52.9-89.5) | 18.3 (14.2-21.2) |
| South Korea | 7 | 1999-2015 | 1 662 199 | 38.3 (34.0-42.7) | 59.5 (42.7-81.9) | 15.1 (5.8-22.1) |
| Spain | 48 | 2004-14 | 1 294 162 | 6.7 (5.1-8.4) | 70.0 (53.9-84.7) | 15.3 (10.3-21.1) |
| Sweden | 1 | 1990-2010 | 201 197 | 26.0 (22.0-30.0) | 61.9 (48.9-76.0) | 6.8 (1.2-13.9) |
| Switzerland | 8 | 1995-2013 | 230 587 | 4.2 (2.9-5.6) | 72.8 (47.0-98.1) | 10.7 (4.4-16.5) |
| Taiwan | 3 | 2008-14 | 443 680 | 57.0 (51.0-63.7) | 109.1 (82.1-138.6) | 24.8 (20-28.2) |
| UK | 15 | 1993-2006 | 2 073 285 | 28.4 (24.5-32.9) | 51.6 (36.7-65.2) | 10.4 (6.5-14.6) |
| USA | 188 | 1985-2006 | 24 463 042 | 16.3 (13.6-19.3) | 80.1 (58.9-104.0) | 14.9 (7.5-21.9) |
Deaths due to non-external causes (Australia, China, Spain, Switzerland (including unintentional injuries)) or to all cause mortality (remaining countries). See supplementary eMethods 1 for a description of the data. Country specific summaries of other air pollutants and relative humidity are provided in supplementary eTable 1 and city specific descriptive summaries are reported in supplementary eTable 2.
Daily maximum eight hour mean.