Fire | 2 | |
Seasonal Timing | 1 | |
Eruption | 1 |
Air Quality | 5 | |
Safety | 4 | |
Transportation | 2 | |
Human Health | 1 | |
Buildings | 1 |
2 | 3 |
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1 | 1 | 1 | 1 | 1 |
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Canada | 1 | |
Russia | 1 | |
United States | 1 |