The invisible menace of fine particle pollution, in the still morning hours of southern Deschutes and northern Klamath ...

When the Air Quality Index crosses 400, the air becomes dangerously toxic, posing an immediate threat to lung health. Doctors ...

The Bangkok Metropolitan Administration has issued an urgent update on PM2.5 pollution across the capital. Read more at ...

Considered about one-thirtieth the width of a human hair, PM2.5 consists of dust, black carbon, heavy metals, sulphates, ...

Eastern Europe's fire surge outpaced that of Central Europe: While both regions saw rising fire-PM2.5 levels, Eastern Europe experienced significantly sharper increases (0.06 μg/m³ per year in extreme ...

BANGKOK: The dust problem is returning. Bangkok residents are advised to check Wednesday's (Nov 12) air quality, as the ...

BANGKOK: Residents of Bangkok are urged to take precautions for health and safety after PM2.5 levels in Bangkok soared to ...