How Do Volcanos Affect Air Quality?

With over 1500 active volcanos worldwide, gases and ash emitted from volcanic eruptions is an international issue. Volcanic smoke, also known as “vog”, can travel hundreds, and even thousands of miles away from a volcano and affect distant communities. So what exactly do volcanos emit? How do volcanos affect air … Read more

Did Bangalore’s Air Quality Get Better in 2020?

How was Bangalore’s 2020 air quality? Did Bangalore’s air quality improve in 2020 compared to recent years? Bangalore air pollution in 2019 averaged levels nearly 4 times the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to see if there was any improvement … Read more

WHOs Air Quality Guidelines Are Actually Unsafe

Here’s Why the WHO Air Quality Guidelines Are Unsafe

In 2005, the World Health Organization (WHO) released its most recent guidelines on safe air quality and pollution levels. The problem? More recent research shows these WHO air quality recommendations are actually NOT safe. What Are the WHO Recommended Safe Air Pollution Levels? The WHO gives recommendations for 5 air pollutants: PM2.5, … Read more

How far can wildfire smoke travel?

How Far Can Wildfire Smoke Travel?

Smoke from wildfires is a serious health concern. So questions often come up: How far can wildfire smoke travel? Can someone in New York be affected from the California wildfires thousands of miles away? Do Australian bushfires affect the entire country? During the ravaging California wildfires in September of 2020, … Read more

Study Finds Ionizers Increase Air Pollution

A peer-reviewed study from the University of Texas finds that ionizers increase air pollution, creating formaldehyde, ozone, and particulate. This data contrasts sharply with claims from air purifier companies that market ionizers as magical machines. One company in China claims that their machine’s negative ions “remove PM2.5 particulate pollution and … Read more

2020 India Air Pollution Report: Did Air Quality Improve?

Did India’s air quality improve in 2020? How did COVID-19 affect air quality in India? Smart Air analyzed 2020 India air pollution data for five of India’s major cities: Delhi, Mumbai, Kolkata, Chennai, and Hyderabad. WATCH: Fixing India’s Air Pollution Problem 2020 India Air Quality Report Of the five major … Read more

How Wildfires In California Affect Air Quality

It is no surprise that wildfires affect air quality. Pollution from wildfires in California and Australia over the years has greatly affected air quality levels. Pictures like the one above show the large amounts of smoke and pollution produced by these wildfires in California. But how exactly does the smoke … Read more

Calgary Canada one of least polluted cities in the world

25 Least Polluted Cities in the World (2021 Rankings)

Air pollution is one of the leading causes of death around the world. Therefore you may be curious: “What are the least polluted cities in the world?”. Or which country has the least amount of air pollution? Smart Air analyzed 2021 air pollution data from 540 major cities spanning 182 … Read more

Jakarta Indonesia Air Pollution

Jakarta Air Quality (AQI) and Indonesia 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 … Read more

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