Wildfire Smoke 10x More Dangerous Than Typical PM2.5, Study Shows

Current air regulations treat all PM2.5 air pollution as equally dangerous. But recent research suggests particulate matter in wildfire smoke is significantly more toxic than it is in typical outdoor ambient air pollution. Wildfire smoke may be far more dangerous than current air quality indexes indicate. Wildfire Smoke: Why PM2.5 … Read more

Current Seattle Air Quality (2021 Wildfire Live Readings)

Seattle air quality exceeded the WHO annual limits on about 1/6 of days from 2020 to 2021. Seattle air quality averaged nearly over 18 times the daily recommended limit of dangerous PM 2.5 pollutants on its worse day in 2020. Seattle’s air quality worsened to these dangerous levels largely due … Read more

Current Toronto Air Quality (2021 Wildfire Live Readings)

Toronto air quality exceeded the WHO annual limits on nearly a quarter of days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Toronto air quality averaged nearly six times the daily recommended limit of dangerous PM 2.5 pollutants on its worse day in 2021. Current Air … Read more

What Are Ionizer Air Purifiers and Do They Work?

The other day, someone on Quora asked whether ionizer air purifiers work and actually purify the air. This is an important question because ionizers are all over the place. Ionizer air purifiers are often marketed with a variety of names. These names include “ion air purifiers”, “negative ion air purifiers”, … Read more

Simple Trick to Breathe Clean Air After Samut Prakan Factory Blast

Toxic chemicals have polluted Bangkok air since the Samut Prakan factor blast on July 5th. How can residents protect themselves and filter out these dangerous gases from their homes? Luckily, there is a relatively simple trick to remove dangerous chemicals from your home. Large Amounts of Cancer Causing Styrene Released … Read more

Sqair Air Purifier Real-World Bedroom Test

How well does the Sqair air purifier clean an average bedroom? Impressive specs are one thing, but we wanted to put the Sqair to the test in real-world conditions. The Real-World Test We tested the Sqair in a 15 m2 (162 ft2) bedroom in Beijing with the doors and windows … Read more

Exercising in Delhi air pollution

At What Point Is Exercise in Delhi Pollution Harmful?

Air pollution is one of the biggest killers in Delhi. So, it would make sense to wonder whether exercising on a polluted day in Delhi does more harm than good. Below is a picture of people exercising in Delhi with PM2.5 air pollution levels at 150 micrograms or an AQI … Read more

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