Table 1 Mean and standard deviation (2001–2020) of PM2.5 concentrations (µg m−3) averaged by country
From: Large transboundary health impact of Arctic wildfire smoke
Country | Mean PM2.5 | Population-weighted mean PM2.5 | ||||
---|---|---|---|---|---|---|
Total | Attributed to Arctic wildfires | Total | Attributed to Arctic wildfires | |||
µg m−3 | µg m−3 | % of total | µg m-3 | µg m−3 | % of total | |
Russia | 7.8 ± 0.9 | 1.8 ± 0.7 | 22.8 ± 7.0 | 14.7 ± 1.2 | 1.2 ± 0.4 | 8.2 ± 1.8 |
USA | 7.3 ± 1.1 | 0.2 ± 0.1 | 3.3 ± 1.6 | 9.2 ± 1.7 | 0.1 ± 0.0 | 1.1 ± 0.4 |
Canada | 4.1 ± 0.5 | 1.1 ± 0.4 | 27.1 ± 7.4 | 6.8 ± 0.8 | 0.6 ± 0.1 | 8.7 ± 2.2 |
Greenland | 1.5 ± 0.1 | 0.1 ± 0.0 | 3.8 ± 1.2 | 1.1 ± 0.1 | 0.0 ± 0.0 | 3.5 ± 1.1 |
Iceland | 4.8 ± 0.3 | 0.0 ± 0.0 | 0.9 ± 0.6 | 4.8 ± 0.3 | 0.0 ± 0.0 | 0.6 ± 0.6 |
Norway | 5.1 ± 0.5 | 0.1 ± 0.0 | 2.0 ± 0.7 | 6.5 ± 0.8 | 0.1 ± 0.1 | 1.8 ± 0.7 |
Sweden | 5.5 ± 0.6 | 0.1 ± 0.0 | 2.1 ± 0.7 | 6.7 ± 0.9 | 0.1 ± 0.0 | 1.1 ± 0.4 |
Finland | 5.3 ± 0.7 | 0.1 ± 0.1 | 2.5 ± 1.2 | 6.4 ± 1.0 | 0.1 ± 0.1 | 1.5 ± 0.8 |
Mongolia | 19.1 ± 1.5 | 1.1 ± 0.8 | 5.7 ± 3.6 | 37.5 ± 4.0 | 2.0 ± 1.2 | 5.3 ± 3.2 |
Belarus | 16.2 ± 1.9 | 0.5 ± 0.3 | 2.8 ± 1.6 | 16.4 ± 1.9 | 0.5 ± 0.3 | 2.8 ± 1.6 |
Georgia | 20.8 ± 1.3 | 0.5 ± 0.2 | 2.5 ± 1.0 | 20.5 ± 1.2 | 0.4 ± 0.2 | 1.8 ± 0.8 |
Estonia | 9.2 ± 1.4 | 0.2 ± 0.1 | 2.2 ± 1.1 | 7.8 ± 1.3 | 0.2 ± 0.1 | 2.0 ± 1.1 |
Latvia | 14.9 ± 1.9 | 0.3 ± 0.2 | 2.0 ± 1.0 | 14.3 ± 1.9 | 0.2 ± 0.1 | 1.5 ± 0.7 |
Japan | 11.4 ± 1.1 | 0.2 ± 0.1 | 2.0 ± 1.0 | 12.1 ± 1.0 | 0.1 ± 0.1 | 0.8 ± 0.4 |
Lithuania | 15.6 ± 1.9 | 0.3 ± 0.2 | 1.8 ± 1.0 | 15.0 ± 1.9 | 0.3 ± 0.2 | 1.9 ± 1.1 |
Moldova | 18.1 ± 1.8 | 0.3 ± 0.2 | 1.8 ± 1.2 | 18.3 ± 1.8 | 0.4 ± 0.3 | 2.0 ± 1.3 |
China | 32.2 ± 3.3 | 0.5 ± 0.3 | 1.5 ± 0.8 | 48.7 ± 6.6 | 0.2 ± 0.1 | 0.4 ± 0.2 |