Current Minneapolis, Minnesota Air Quality (2021 Wildfire Live Readings)

Minneapolis air quality exceeded the WHO annual limits on nearly one-fifth of days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Minneapolis air quality averaged nearly five times the daily recommended limit of dangerous PM 2.5 pollutants on its worse day in 2021.

Current Air Quality in Minneapolis

19% Of Days in Minneapolis More Polluted Than WHO Target

Minneapolis’s daily air quality levels exceeded the World Health Organization (WHO) annual limit on 19% of days in 2020-2021. The PM2.5 AQI reached 150 in many areas of the city in July of 2021 due to wildfire smoke.

Historical Air Quality Readings for Minneapolis

Is Minneapolis Air Quality Improving?

In the last three years, data shows little improvement in Minneapolis air quality. 2020 air quality worsened slightly from 2019, but 2021 levels are currently lower than the previous two years. Minneapolis’s annual level of air pollution consistently hovers just under the WHO recommended limit.

Why Is the Air Quality Bad Today in Minneapolis?

Weather plays a big role in how the air quality is in Minneapolis each day. The amount of sun can affect how much ozone there is, and wind and rain can affect PM2.5 and particulate air pollution to varying degrees.

Air pollution levels can change quickly, with levels often varying widely throughout the day. Data shows there even appears to be times of the day where air pollution tends to be lower compared to other times.

Below shows how PM2.5 air quality levels around the world tend to vary throughout the day. PM2.5 levels have a tendency to be slightly lower in the afternoon compared to other times of the day.  But this is a general trend, Minneapolis PM2.5 AQI levels will not follow this trend every day. 

Air Quality Around the World

How Wildfires Out West Affect Minneapolis’s Air Quality Levels

Outside of weather, wildfires are another factor that can periodically affect Minneapolis’s air quality. The worst wildfires typically occur in the months of June to September. In July of 2021, wildfire smoke from California and Oregon reached Minneapolis, and Minneapolis air quality reached its worse levels in years.

Read More: How Wildfires in California Affect Air Pollution Levels

Below shows how wildfires in September of 2020 affected air quality levels all across the west coast. 

How California's Wildfires Affect Air Quality on West Coast

Minneapolis Air Pollution: The Negative Health Effects

This analysis of Minneapolis‘s air quality is based on PM2.5 pollution. These are particles smaller than 2.5 microns in diameter that can penetrate deep into the lungs and even enter the bloodstream.

Studies have shown that PM2.5 raises blood pressureinflammation, and rates of heart attacks and strokes

WATCH: Why Is PM2.5 So Harmful to Us?

5 Things You Should Know about PM2.5 Air Pollution

Protect Your Health in Minneapolis From Air Pollution and Wildfire Smoke

Despite the harms of PM2.5 that is in wildfire smoke and air pollution, placebo-controlled studies of air purifiers have found that removing particulate in the home has positive effects on blood pressure, inflammation, and immune response.

Smart Air provides the world’s most cost-effective, data-backed air purifiers to help air-breathers protect themselves and their family. Smart Air is a certified B Corp founded to publicize the simple science behind air purifiers and masks, thereby lowering the cost of breathing clean air.

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Sqair Air Purifier


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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.