Air Pollution (PM 2.5)

Children are especially vulnerable to air pollution, as their lungs are still growing, and because children are so active, they breathe in a great deal of air. If children are exposed to toxic air, it can impact their small lungs, their brain, and hence their hearts.

Why are children at high risk?
One reason why children are particularly vulnerable to the effects of air pollution is that they breathe more rapidly than adults, and so absorb more pollutants. But there are other reasons: 

  • The largest portion of a child’s lungs will grow long after birth. Eighty percent of their tiny air sacs develop after birth. Those sacs, called alveoli, are where the life-sustaining transfer of oxygen to the blood takes place
  • Children don’t behave like adults. They are often outside for longer periods and are usually more active when outdoors. Consequently, they inhale more polluted outdoor air than adults do
  • Air pollution can also affect your child indirectly. Pregnant women who are exposed to polluted air, for example, are more likely to give birth prematurely and have small, low birth-weight children

Why are fine particles so dangerous for children?

  • Fine dust (PM 2.5) affects the neurodevelopment of your child, negatively affecting mental and motor development
  • High levels of air pollution directly affect a child’s measured levels of intelligence (IQ), equivalent to missing an entire year in school
  • Even low levels of air pollution are damaging children’s lung function and can lead to chronic lung problems, asthma and cardiovascular diseases later in life 
  • Air pollution is one of the leading threats to child health, according to the World Health Organization accounting for almost 1 in 10 deaths in children under five years of age

How to protect your children at home?
Even if it feels safe and clean, remember that small particles are invisible and can easily enter your house. Here how to protect your child at home:

  • Close the windows on days where the pollution is high
  • Get an air purifier with a HEPA filter. Ideally, get one for the bedroom and the play or living area.
  • If you have air conditioners, note that usually don’t filter the small dangerous particles. 
  • If you live next to a major road, be aware that even when air quality forecasts are good, vehicles on big roads can create high pollution levels up to 250 meters away and hence affect the air quality at your home

How to protect your children in the car: Children are also at risk of dangerous levels of air pollution inside your car, because of the toxic air from the traffic around which cars don’t filter properly.

  • If you must drive in traffic, set your air vent to recirculate with your windows up just before you hit the traffic on the road. But also try to keep a safe distance from vehicles ahead of you, especially diesel trucks or obviously polluting cars
  • Install a HEPA rated cabin air filter in your vehicle. If your car already has a HEPA filter preinstalled, make sure you change it regularly
  • In addition, you can buy air purifiers for your car. Car air purifiers employ a range of technologies to improve the quality of air inside vehicles without any modification to your car

How to protect your children outdoors:

  • Protect your child by reducing the time spend outdoors when pollution is high
  • If you take your child for a walk around the city, then you should avoid high traffic streets 
  • If you cannot avoid polluted streets, get your child to wear a mask. We recommend the N95 Mask which is available for children or otherwise can be modified for children

What air level is safe for children?
To make sure your children are fully protected against this invisible threat, try to keep the air “Good” (0-50 on the AQICN matrix). If you measure air which is just moderate or unhealthy air for sensitive groups (young children are the most sensitive group), take precautions.

  • 0 – 50 Good: No health impacts 
  • 51 – 100 Moderate: Potential mild impacts for extremely sensitive groups
  • 101 – 150 Unhealthy for sensitive groups: Sensitive groups (asthma sufferers, young children, the elderly) should limit heavy outdoor activity
  • 151 – 200 Unhealthy: Heavy outdoor activity should be limited for all
  • 201 – 300 Very healthy: Outdoor activity should be restricted for all and exposure be limited for sensitive groups
  • 301 – 500 Hazardous: Hazardous to high-risk people and general public health

Sources:

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