PM2.5 is a particulate air pollutant that poses a major health concern to humans. They are tiny pollutants measuring 2.5 microns and below. PM2.5 can enter deep into the lungs and the blood stream. Prolonged exposure to PM2.5 can cause health effects like respiratory and cardiovascular diseases. Learn more about PM2.5, the best way to protect yourself from PM2.5 and other trends here.
Mumbai air quality improved 2% in 2021, compared to the previous year. These higher air pollution levels push Mumbai’s annual PM2.5 average to more than eight times the World Health Organization’s annual limit of 5 µg/m3. Let’s dive into what trends we see throughout the year with Mumbai air quality and …
Analyzing air quality data from the Berkeley Earth Project, Smart Air found that Bangalore air quality worsened by 3% in 2021 compared to 2020. This leaves Bangalore with air pollution levels 6 times higher than the World Health Organization’s annual limit. Bangalore Air Quality by Month Breaking down the data by …
How was Delhi’s air quality in 2021? Did Delhi’s air quality improve in 2021 compared to recent years? Delhi air quality has seen little improvement recently. Air pollution levels have hovered around 20x the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to …
Poor indoor air quality is a common in homes and offices around the world. Poor air quality can affect the health, mood and productivity of those indoors. Here are three different ways to improve indoor air quality, and the advantages of each. Indoor Air Quality Overview: Before we get to …
Bangkok saw some terrible air quality and high PM2.5 levels during the start of 2019, with news reports of schools closing and government limiting car usage. But just how bad is Bangkok’s air quality? I analyzed 2018’s PM2.5 data, provided by the Thailand Government monitor near the Chulalongkorn Hospital in Bangkok, …
Smart Air’s analysis of Bangkok’s PM2.5 data (what is PM2.5?) finds Bangkok air pollution source varies systematically by season and time of day. Bangkok Average PM2.5 First, some basics. In 2020, Bangkok averaged 21 micrograms of PM2.5. That puts Bangkok just over two times the WHO annual limit. (Recently, the …
What effect did 2021 Diwali have on Delhi air pollution? We previously discussed Diwali’s serious impact on Delhi air pollution. But how did 2021 Diwali pollution compare to past years? Analyzing 2022 Diwali Air Pollution in Delhi To get to the bottom of this, the Smart Air team in India …
We know that air pollution is bad for our health, causing heart attacks, strokes, and lung cancer. But how about the more day-to-day impacts of air pollution including productivity, tiredness, and alertness? A recent Harvard study shows that poor indoor air quality is affecting employees more than once thought, and …
Although Bangalore is one of India’s fastest-growing cities, this has come at the cost of more air pollution. According to Greenpeace South Asia in 2020, an estimated 12,000 people in Bangalore died due to air pollution. To help improve Bangalore’s air pollution, the city has installed its first smog tower. …
It can be difficult to tell when to replace a HEPA filter. Should we one by looks? Probably not. Going by looks turns out to be a poor measure of filter efficiency. The best way to test a HEPA filter’s efficiency and determine when to replace it is to use …
