Ключевые слова: air, atmosphere, black, car, care, combustion, concentration, control, danger, dark, diesel, dirty, disaster, drive, ecology, environment, exhaust, fuel, gas, gasoline, health, hydrocarbon, industry, influence, medical, medicine, negative, oxide, pipe, pm10, pm25, poison, poisoning, polluted, pollution, risk, road, safe, smog, smoke, tire, toxic, toxic air, traffic, transport, transportation, truck, vehicle,