燃やす
particulate matters
aerial
air
aqi
ash
background
countryside
course
damage
danger
destruction
disaster
dry
dust
dusty
ecology
environment
environmental
farm
field
fields
final
fire
flame
forest
grass
heat
hot
landscape
mask
matter
mountain
n95
natural
nature
outdoor
particle
particulate
pm 25
pollution
scene
smoke
thailand
trash
tree
trees
wild
wood