When dust and ash particles from a volcanic eruption block out sunlight and reduce solar radiation, Earth experiences the . This results in temporary climate cooling

I think it might be haze affect

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.