Understanding How the Air Quality Index Works #infographic

Understanding How the Air Quality Index Works #infographic

In recent months, air quality levels have gained a lot of attention.

Numerous places registered a marked rise in air quality in the aftermath of COVID-19 lockdowns. Northern India grabbed the world's attention when it was reported that the Himalayan mountain range was visible for the first time in decades.

Later in the summer, on the flipside, wildfires spread across the Pacific Northwest and California, filling entire areas with a thick smoke shroud filling hundreds of miles.

How is air quality measured, and what does the health scores we see include?

In a slightly different way, some countries measure their ratings. India , for instance, is also testing levels of ammonia which leads in the air.

The AQI has a scoring system that runs from 0 to 500 to make these readings more available, using data obtained from air monitoring stations in cities around the world. Scores below 50 are deemed healthy, with little effect on human health. The greater the ranking, the lower the quality of the air becomes.

Ranges of ratings have been organized into descriptive categories so that potential health risks can be conveyed much better to the public.

Understanding How the Air Quality Index Works #infographic

infographic by: www.visualcapitalist.com


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