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.
New data analysis from Smart Air shows that air quality improved in 14 out China’s 15 largest cities. This data suggests China’s “war on air pollution” seems to be working. This analysis uses over 21,000 daily average PM2.5 data points from official sensors around the country. Beijing Famous …
Air quality in five of India’s major cities saw little improvement in 2018. In short, air quality was flat in Hyderabad year over year, while air quality worsened in Mumbai and Kolkata. Here’s the full data to show you just how bad India’s air quality levels were in 2018: Worsening …
New analysis from Smart Air finds that 2018 was a good year for air quality for India’s major cities. Air quality was flat or down in three of five cities—Delhi, Hyderabad, and Chennai. Yet two cities saw air pollution rise significantly. PM2.5 pollution was up 17% in Kolkata, …
Using actual air purifiers test data on is the best way to cut through the misleading marketing claims purifier companies make to try to get us to pay more money for clean air. For that reason, I’m always on the look out for good test data. Data is power. …
Analyzing air quality data from the US Consulate, Smart Air found that Hyderabad’s air quality was flat in 2018 compared to last year. At this level, Hyderabad averages nearly six times the World Health Organization’s annual air quality limit. Month by Month Analysis Breaking down the data by month, …
Smart Air analysed Mumbai’s PM2.5 air quality data provided by the US Consulate. What we found was that Mumbai’s PM2.5 levels increased 15% in 2018, giving much poorer air quality than the previous year. These higher air pollution levels push Mumbai’s annual PM2.5 average to more than seven times the …
Analyzing air pollution data from the US Consulate, Smart Air found that Kolkata’s air pollution rose 19% in 2018 compared to last year. This extra smog pushes Kolkata to an average of more than nine times the World Health Organization’s annual limit. Kolkata started the year with January pollution …
After analyzing Delhi’s air quality data from the US Embassy in 2018, Smart Air found that air pollution fell 5% in 2018 compared to 2017. Despite the slight improvement, Delhi still averaged more than 10 times the World Health Organization’s annual air quality limit, making it one of the most polluted cities …
I started thinking about finding the best air purifier for my home because I was living in Beijing when the “airpocalypse” struck. I had a cough I couldn’t shake for weeks, so I started doing research into air purifiers. Unlike another answer here, I wasn’t concerned about allergens …
When I started building DIY air purifiers in Beijing to protect my lungs from this… …I wanted to test the air in my home, but particle counters were really expensive. Most cost around $1,000 or $2,000 dollars. But then there was the Dylos, which I bought …
