Chemical Compounds that Nitrogen Dioxide Can Form

Chemical compounds it can form include:

1. Ozone (O3): When oxygen and NO2 react in sunlight, NO2 splits into NO and O, and this oxygen atom combines with O2 to make Ozone (O3). Elevated ozone levels can worsen asthma symptoms and decrease lung function [1].

2. Nitric acid (HNO3): When nitrogen dioxide reacts with water vapor to form nitric acid, it can affect the respiratory system and worsen asthma symptoms

[1].

3. Particulate matter (PM): This is one of the reasons as to why I’ve focused on NO2, being it can contribute to the formation of particulate matter, trigger asthma attacks and exacerbate respiratory symptoms [1].

4. Nitrate (NO3-): Nitrate particles can make the air hazy and hard to see through. If oxidized, NO2 can oxidize and in turn, create airway inflammation and respiratory symptoms in individuals with asthma [2].

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