25 Most Polluted Cities in the World (2023 Rankings)

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 …

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Jakarta Indonesia Air Pollution

Jakarta Air Quality Index (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 …

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Where Does Indonesia and Jakarta’s Air Pollution Come From?

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 …

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How Wildfires In California Affect Air Quality

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 …

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Do N95 Face Masks Really Expire?

Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.

Are CO2 Monitors Accurate?

High CO2 levels negatively affect wellbeing and productivity and strongly correlate with disease spread. Thus, particularly during the COVID-19 pandemic, measuring indoor CO2 levels is useful. Popular CO2 monitors include the IQAir AirVisual Pro and Kaiterra Laser Egg + CO2. But how accurate are these CO2 monitors? Smart Air conducted …

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The Dangers of High Carbon Dioxide (CO2) Levels

Although carbon dioxide (CO2) is a byproduct of many natural processes, high levels of CO2 can cause a variety of health effects on humans. This article explains at what levels CO2 becomes dangerous and the negative health effects of these high CO2 levels. Also, how do CO2 levels become high …

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Best CO2 monitors

Best Portable CO2 Monitors for Home and Office

Portable Carbon Dioxide (CO2) monitors are growing popular in home and office. CO2 monitors can help measure ventilation and help lower the spread of respiratory viruses. But what are the best and most accurate CO2 monitors on the market? To find out, Smart Air analyzed CO2 monitor test data to …

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Smart Air low cost purifiers

Smart Air is a social enterprise and certified B-Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company