What Negative Effects Do Pollutants From Vehicles Cause In Cities?

Vehicle pollutants could be life-threatening if the pollution level is exceptionally high. 

Primarily, vehicle pollutants from their exhaust release carbon-related particles along with sulfur dioxide. These pollutants can weaken the human immune, respiratory, neurological, and cardiovascular systems.

The diseases caused by these pollutants are lung cancer, shortness of breath, asthma, heart disease, eye irritation, and so on. 

It also impacts city life by changing the weather of the city. Greenhouse gas exposure on a higher scale reduces air quality and brings natural disasters like drought.

What Percentage Of Air Pollution Is Caused By Cars?

Air pollution caused by cars worldwide mostly happens due to greenhouse gas emissions. A study by the United States Environmental Protection Agency says that 27% of total U.S. greenhouse gas emissions are caused by transport. 

Throughout the whole United States, around 5,416 million tons of CO2 are released. That means around 1,462.32 million tons of CO2 is released from cars, creating air pollution. 

Negative Effects Of Vehicles Pollutants In Cities

Almost every vehicle exhausts pollutants, including carbon monoxide, hydrocarbons, nitrogen oxides, particles, volatile organic compounds, and sulfur dioxide. 

The car pollution effect is increasing the associated deaths by up to 40,000 yearly. (Reference: Royal college of physicians)

Here you know some adverse side effects of vehicle pollutants in cities. 

Serious respiratory problems

Vehicle pollutants bring respiratory problems, as well as trigger old health problems. Asthma and other respiratory illnesses are caused by car pollutants. 

The chance of increasing pneumonia and bronchitis increases when you continuously inhale vehicle pollutants. Also, your lung capacity decreases, leading you to lung cancer slowly. 

Reduces air quality

Exposure to high vehicle pollutants reduces the air quality of a city. Research from livemint found that Delhi’s Anand Vihar is the most polluted area in the capital. 

Its AQI marking is 405, which is risky for people in the city. Due to poor air quality, Delhi’s people have breathing issues, decreasing their average expected life. 

Harmful effects of smoke from vehicles 

Union of concerned scientists stated that vehicle smoke directly releases around half of the total nitrogen oxides in the air. 

That’s resulting in global warming, making your city life disastrous. The final outcome is excessive rain with acid and drought in summer areas. 

Terrible health complexities

The harmful effect of vehicle smoke on human health is also terrible. It can create neurological, cardiovascular, and reproductive problems along with respiratory issues. 

Carbon dioxide from cars produces reddish-brown gases that irritate the lungs and eyes. (Reference: Department of environmental conservation)


Now, you’ll know some adverse effects of vehicle pollutants in the city. 

What problem does the burning of gasoline with sulfur contribute to?

The burning of gasoline with sulfur brings severe air pollution. It evaporates carbon-related substances that are harmful to human health.
Besides, significant exposure to this burning can increase the temperature rapidly. And that’ll contribute to global warming also. 

What are three negative impacts that motor vehicles have on the environment?

Motor vehicles have three core negative environmental impacts: air pollution, climate change, and urban sprawl.
Air pollution is the consequence of two other impacts. Once the air is contaminated with pollutants, the area becomes uninhabitable. 


Vehicles are unavoidable parts of your city life. You can’t leave its usage or reduce its exhaust emission overnight. But you can avoid using old car exhaust systems and faulty filtration technology.

After decades, the final impact of released pollutants from vehicles on a city can be seen. When the city’s air quality will fall, children will grow up with asthma problems, which will be genuinely late.

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