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.
During seasonal changes, pollen triggers allergic reactions, sneezing, and itchy eyes for many. Does pollen show up in air quality readings? If so, people with allergies could use pollution readings to get a sense of local pollen conditions. How Small is Pollen? Intact pollen generally ranges from 10 microns to …
Air pollution ranks among the top causes of death in the world. But which cities and countries are the most polluted (dirtiest) in the world? Smart Air analyzed 2022 PM2.5 data for 529 major cities from 88 countries around the world to create the 2023 updated ranking of the “Top …
Air pollution is a serious concern in India, with significant health impacts. Smart Air has analyzed data from 2022 to highlight the “20 Most Polluted Cities in India” for 2023. Scroll down below for the full rundown of India’s most polluted cities and their annual PM2.5 levels. It’s worth noting …
Every year, millions of Americans watch 4th of July fireworks, but those fireworks create air pollution that lingers well into the next day, according to a new study. This new study may prompt some cities to reconsider using old-fashioned fireworks and replacing them with newer technologies like drone shows. Tracking …
After more than 16 years, the World Health Organization (WHO) updated its air quality guidelines, including its recommended limits for one of the world’s biggest killers, PM2.5 air pollution. The WHO lowered their annual PM2.5 limit by half, from 10 micrograms to 5 micrograms. So are these new guidelines safe …
Delhi is one of the most polluted cities in the world. PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. The city aims to tackle this crisis by installing a smog tower. Yet, an important question remains: Can Delhi’s air purifier tower effectively combat outdoor air pollution? …
Air Quality and Pollution in Jakarta, Indonesia Jakarta, Indonesia has high air pollution levels and is one of the smoggiest cities in the world. In 2020, air quality exceeded the WHO annual pollution limits on every single day except one. What’s more, Jakarta’s most polluted day in 2020 had PM2.5 …
Air pollution in Indonesia has severely worsened in recent years. From 2013 to 2016 alone, Indonesia’s air pollution doubled. In 2010, Jakarta averaged over 4 times (40 micrograms) the WHO recommended healthy limit of PM.5 air pollution. With pollution levels worsening to dangerous levels, many may wonder where Indonesia and …
It is no surprise that wildfires affect air quality. The wildfires in California and Australia have had a substantial impact on air quality levels over time. Pictures like the one above show the large amounts of smoke and pollution produced by these forest fires in California. But how exactly does …
This beautiful city in the picture is Eugene, Oregon. Known for its Willamette Valley and the founding of athletic shoe giant Nike, it also had America’s worst air quality in 2022, according to the latest data from the Environmental Protection Agency. How Bad Was the Worst Day of The Year …
