Ключевые слова: 25 micrometers, air, allergy, asia, asian, bad, bangkok, carbon dioxide, city, climate, concept, dangerous, detect, device, downtown, dust, environment, environmental, factory, fog, health, mist, outdoor, people, pm, pm 25, pm2 5, pm25, pneumonia, pollution, problem, protection, quality, respiratory, risk of cancer, sensor, serious, smog, smoke, technology, thailand, toxic, urban, warning,