Kiera Jefferson
Air pollution is a significant health and environmental concern, with fine particle pollution causing heart and lung problems and even contributing to premature deaths worldwide. While air pollution levels can vary across different regions, Montana has had challenges with particle air pollution, particularly in Western counties like Lewis & Clark, Ravalli, and Lincoln. To address this issue, individuals can take measures such as reducing fossil fuel consumption, participating in energy conservation programs, and using air purifiers indoors. Real-time air quality data for Montana can be accessed through various platforms, such as AirNow.gov, providing valuable information for residents to make informed decisions and take appropriate precautions when necessary.
| Characteristics | Values |
|---|---|
| Air Pollution Index | 25 (Good) |
| Worst Air Quality Index in the last 24 hours | 28 (Good) |
| Best Air Quality Index in the last 24 hours | 20 (Good) |
| Air Pollution Sources | Industrial facilities, wildfire |
| Counties with High Particle Air Pollution | Lewis & Clark, Ravalli, Lincoln |
| Health Risks | Heart and lung problems, decreased lung function, asthma, irregular heartbeat, heart attack |
| Populations Prone to Health Risks | Individuals with preexisting heart and respiratory conditions, older adults, children, pregnant women, low-income communities, urban residents, Black, Asian and Hispanic populations |
| Pollution Monitoring Tools | MyEnvironment, MyClimate, GAIA air quality monitors, Air Quality Index (AQI) apps, Pocket monitor |
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What You'll Learn
Air pollution in Montana is among the worst in the US
Air pollution is a serious issue in Montana, with some areas experiencing worse air quality than others. According to the Lung Association, Western Montana's particle air pollution ranks among the worst in the nation. Three Montana counties, Lewis and Clark, Ravalli, and Lincoln, are among the 25 most polluted counties in the country by short-term or year-round particle pollution.
The sources of air pollution in Montana are diverse and include wildfires, industrial facilities, and vehicle emissions. Wildfires, in particular, have had a significant impact on the state's air quality, with smoke from deadly blazes on the West Coast reaching as far as the East Coast and Europe.
Montana's air quality is monitored through various means, including real-time air pollution maps and the Air Quality Index (AQI). The AQI provides a numerical value to indicate the level of air pollution, with lower values representing better air quality. On June 5, 2025, Montana's AQI ranged from 25 to 58, indicating good to moderate air quality.
However, it's important to note that certain populations are more susceptible to the health risks associated with air pollution. These include individuals with pre-existing heart and respiratory conditions, older adults, children, and pregnant women. Additionally, low-income communities, urban residents, and specific racial and ethnic groups are more likely to be exposed to air pollution.
To address air pollution in Montana, individuals can take several measures. Reducing fossil fuel consumption, participating in local energy conservation programs, and limiting outdoor activities on poor air quality days can help decrease exposure to pollutants. Utilizing air purifiers and monitoring local air quality through resources like AirNow.gov can also help individuals make informed decisions to protect their health.
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Real-time air pollution data for Montana
Montana's Department of Environmental Quality (DEQ) works with local air pollution agencies and industries to measure and monitor air quality throughout the state. The Air Quality Monitoring Program provides the data that forms the basis for regulatory decisions and public health messaging.
DEQ's Today's Air displays the particulate concentrations and health effects of particulate matter less than 2.5 microns in diameter, known as PM2.5. This is measured by monitoring equipment located throughout Montana, with concentrations updated every hour.
DEQ has also partnered with the University of Montana Center for Population Health Research (UM CPHR) to provide high schools with free PM2.5 air quality sensors. The outdoor sensor data is public and will eventually be displayed on 'Today's Air'. This initiative aims to improve access to local air quality data in rural and underserved communities.
There are several online tools available to the public to monitor real-time air pollution data in Montana. The US Environmental Protection Agency (EPA) provides local environmental data, including real-time air quality forecasts, through its MyEnvironment platform. The EPA's ECHO website allows users to assess facilities' compliance with environmental regulations and investigate pollution sources. Additionally, the AirNow.gov website and the Air Quality Index Visual Map provide real-time air pollution data and forecasts for Montana and over 100 other countries.
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The health impact of Montana's air pollution
While Montana's air quality is considered good, with an Air Quality Index (AQI) score of 25 as of June 2025, and air pollution posing little to no risk, the state has experienced issues with particle air pollution. Western Montana's particle air pollution, for instance, has been ranked among the worst in the nation, with Lewis & Clark, Ravalli, and Lincoln counties ranking among the 25 most polluted counties in the US.
The health effects of air pollution in Montana can be significant, especially considering the vulnerable populations residing in the state. Exposure to fine particle air pollution, also known as PM10, has been linked to various heart and lung problems. These include decreased lung function, asthma, irregular heartbeat, and heart attacks. Populations with pre-existing heart and respiratory conditions, older adults, children, infants, and pregnant women are particularly susceptible to these health risks.
Montana's air pollution can also impact vulnerable communities, such as those living in low-income areas, urban areas, or specific racial and ethnic groups. Black, Asian, and Hispanic populations may face a higher risk of exposure to air pollution compared to White and Native American populations in the state. Additionally, individuals with pre-existing health conditions or those who are immunocompromised may be more susceptible to the health effects of air pollution.
To mitigate the health impact of air pollution in Montana, individuals can take several measures. Reducing fossil fuel consumption, participating in local energy conservation programs, and limiting exposure to outdoor air pollution on poor air quality days can help decrease an individual's contribution to air pollution. Monitoring local air quality through resources like AirNow.gov and staying indoors when air quality is poor can also help reduce exposure. Additionally, the use of air purifiers in homes or offices can help filter out particulate matter from the outdoors.
Addressing air pollution at its source is also crucial to protect the health of Montana's residents. The Environmental Protection Agency (EPA) has proposed amendments to the Clean Air Act, which could significantly reduce toxic air pollutants and save billions of dollars annually. By involving communities impacted by air pollution in the decision-making process, these regulations can help protect vulnerable populations and improve the overall health and well-being of Montana's residents.
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How to reduce exposure to air pollution in Montana
While the air quality in Montana is considered satisfactory, with an Air Quality Index (AQI) score of 25, it's always good to be aware of how to reduce exposure to air pollution. Here are some ways to do that:
Monitor Air Quality
Keep an eye on the local air quality by using websites like AirNow.gov or downloading an app like AQI App. This way, you can plan your activities accordingly and reduce your exposure to pollutants.
Stay Indoors
When the air quality is poor, limit your time outdoors, especially if you are in an at-risk group. This includes individuals with pre-existing heart and respiratory conditions, older adults, children, infants, and pregnant women.
Avoid Strenuous Exercise Near Busy Streets
On days with poor air quality, avoid long periods of strenuous exercise near busy streets. Pollutants from traffic can worsen the air quality, and strenuous exercise can increase the amount of polluted air you inhale.
Use an Air Purifier
Consider investing in an air purifier for your home or office to filter out particles from the outdoors. A mechanical engineer suggests that an effective room air cleaner can be made for as little as $35 to $45.
Reduce Fossil Fuel Consumption
You can reduce your contribution to air pollution by decreasing your fossil fuel consumption. This can be done by participating in local energy conservation programs or increasing your use of public transportation.
By following these steps, you can actively reduce your exposure to air pollution and improve your overall health. It is important to stay informed and take the necessary precautions, especially on days when the air quality is predicted to be poor.
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How to find out if industrial facilities near you are releasing pollutants
Montana's air quality is impacted by pollution from various sources, including industrial facilities. While there are laws and agencies dedicated to controlling and reducing pollution, it is essential for individuals to stay informed about the pollution levels in their local areas. Here are some ways to find out if industrial facilities near you are releasing pollutants:
Consult Official Websites
The Environmental Protection Agency (EPA) provides valuable resources for assessing pollution levels in your community. Visit the EPA's website, specifically the Toxic Release Inventory (TRI) section, to search for industrial facilities in your area that report toxic emissions. By entering your address or city, you can access a map that identifies these facilities and provides information about their releases into the air, water, or land. Additionally, EPA's ECHO website enables you to assess facilities' compliance with environmental regulations and explore enforcement-related data.
Utilize Real-Time Air Quality Data
Websites like AirNow.gov offer real-time air quality data and forecasts for Montana. By monitoring local air quality, you can make informed decisions to limit your exposure on days with poor air quality. Websites like aqicn.org also provide real-time air pollution maps for Montana, allowing you to visualize the pollution levels in your area.
Understand Health Risks
Educate yourself about the potential health risks associated with toxic emissions from industrial facilities. The American Lung Association, for instance, provides insights into the health effects of air pollution. Understanding these risks can motivate you to take action and engage in efforts to reduce pollution in your community.
Engage with Local Agencies
Familiarize yourself with local agencies responsible for enforcing pollution control regulations. For instance, the South Coast Air Quality Management District (SCAQMD) sets rules and inspects businesses to ensure compliance with air pollution standards. Contact information for reporting problems with outdoor air pollution is typically available on their websites or through dedicated hotlines.
Explore Local Initiatives
Get involved with local initiatives, community organizations, or activism groups working to address pollution from industrial facilities. By collaborating with like-minded individuals, you can amplify your voice and collectively push for cleaner industrial practices in your area.
By utilizing these resources and staying informed about pollution sources and their potential health impacts, you can better protect yourself and your community from the adverse effects of industrial pollution.
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Frequently asked questions
You can check the real-time air pollution index for Montana on websites such as aqicn.org, aqi.in, and AirNow.gov.
As of June 5, 2025, the air quality in Montana is rated as "good" or "satisfactory", with an Air Quality Index (AQI) level of 25. The AQI levels in Montana have been fluctuating between 20 and 28 over the last 24 hours.
Three Montana counties—Lewis & Clark, Ravalli, and Lincoln—are among the 25 most polluted counties in the US by short-term or year-round particle pollution. Wildfires on the West Coast have also contributed to air pollution in Montana.
