Indian cities typically rank as some of the most polluted cities in the world. In 2020, 3 out of the 5 most polluted cities were in India. See the latest air pollution data, and news about India, and how to protect yourself from India’s air pollution.
Air Quality in Chennai Chennai air quality in 2020 was rated ‘Unhealthy’. Chennai’s annual average AQI is 117, putting it in the lower half of India’s most polluted cities. Air Quality in Chennai Worse than WHO Target on 86% of days Chennai’s daily air quality levels exceeded the World Health …
Delhi often makes headlines as one of the most polluted cities in the world, but has the coronavirus lockdown starting March 25th dramatically cut pollution in the capital? News outlets have reported reductions in pollution, but reports of reductions in Beijing were later disproven by data on the ground. A …
A Smart Air analysis of new air quality data found that pollution improved in 2019 in all major cities in india. Small PM2.5 particles in the air decreased from 2018 to 2019 by as much as 15.5%. Delhi Air Quality Even though all cities saw pollution decrease, Delhi saw just …
Scientific tests have found that simple pollution masks are incredibly effective, but how long do masks last? Most tests are done with brand new masks, so there’s very little data on used ones. And in that data vacuum, people have wildly different ideas about how masks remain effective. I’ve seen …
Analyzing air quality data from the Berkeley Earth Project, Smart Air found that Bangalore’s air quality worsened by 7% in 2018 compared to 2017. This puts Bangalore at about 4 times the World Health Organization’s annual limit. Bangalore Air Pollution by Month Breaking down the data by month reveals …
Right after moving to their new office in the Chimes building in Gurgaon, Ford India was experiencing problems with outdoor particulate pollution (PM2.5) and chemicals (VOCs) off-gassing from new furniture, carpets, paints, and other remodeling work. To tackle these problems and protect the health of their staff, Ford India reached …
This article provides the testing method and data for the article Delhi’s Indoor Air Pollution Lower than Outdoors. Supplemental Materials 1. Test Method I collected data January 12th to January 29th, 2019. I collected data at each place once to avoid over-representing a single place in the data. These days were …
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, …
