
Boston's air quality is generally considered satisfactory, with pollution levels posing little to no risk to the health of its residents. However, sensitive groups may experience symptoms such as difficulty breathing and throat irritation during periods of high pollution. Real-time air pollution maps indicate that some of the most polluted areas in Boston include Magazine Beach Park, Roxbury Plaza, Nubian Square, and Prentiss St. While Boston's air pollution levels are within acceptable limits, prolonged exposure to air pollution can have cumulative negative effects on health over time.
| Characteristics | Values |
|---|---|
| Air Quality Index (AQI) | 36 (Good) |
| Main Pollutant | PM2.5 |
| AQI in the Last 24 Hours | Best: 23 (Good) at 7:09 PM, Aug 22, 2025; Worst: 47 (Good) at 8:09 AM, Aug 23, 2025 |
| Most Polluted Areas | Magazine Beach Park, Roxbury Plaza, Nubian Square, Ruggles, Von Hillern, Roxbury Intersection, Prentiss St, Albert St Park, Lynn Water Treatment Plant, Milton Blue Hill Observatory, Jackson Square, North Main Street, Cedar St, East Arlington Mary St |
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What You'll Learn

Magazine Beach Park
The park is a vital community resource, connecting the river to many neighbourhoods. However, it has been underutilised and not adequately maintained. The river is currently blocked by a 14-foot-high wall of vegetation, and the river path is degraded. Park users have expressed a desire for improvements such as gaps in the greenery, open views, seating, and linking paths that accommodate various forms of transportation, including walking, tricycles, wheelchairs, and bikes.
Magazine Beach Partners, a citizen support group, is actively working to improve the park. They have developed plans for Phase II-2, which includes removing the sunken parking lot and replacing it with a grassy beach to better integrate the pool with the park. This phase also involves adding a dock and outlook to increase engagement with the river, elevating sewer covers, removing shoreline invasives, and planting native plants. The estimated cost of these improvements is $2.2 million.
The overall park plan includes improving the care of existing trees and adding new trees and native plantings. Magazine Beach Partners is committed to realising this plan as funding becomes available. They encourage park users and neighbours to get involved by sharing their ideas and providing financial support.
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Roxbury Plaza
The Boston government has acknowledged the issue of air pollution in the city and is taking steps to address it. They have partnered with researchers, government agencies, and community groups to understand outdoor air quality and the impact of their work to reduce pollution. For instance, Alternatives for Community and Environment (ACE) has collaborated with Air, Inc. and Olin College to deploy air quality sensors in Roxbury. Additionally, the government has deployed air quality sensors on streetlights along the reconstruction projects on Columbus Avenue in Roxbury to better understand the air quality and health impacts of these infrastructure changes.
The sensors being used are small, solar-powered, and do not collect any personally identifiable information. They are easy to set up and require only a WiFi access point and a USB-compatible power supply. These sensors provide real-time data on air pollution levels, which can be accessed through maps and APIs.
To further assist in improving air quality, Boston's Breathe Easy at Home program will provide induction cooktops to residents with gas stoves who are being treated for asthma. Additionally, the Neighborhood of Affordable Housing has partnered with the East Boston Social Center to deploy HEPA filters in community hubs and vulnerable households. These initiatives demonstrate Boston's commitment to reducing air pollution and creating healthier environments for its residents.
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Nubian Square
In more recent times, Nubian Square has faced challenges due to development disputes and community displacement. Attempts to relocate residents to make way for the Southwest Expressway project led to tensions with Boston City authorities and disrupted the community. Despite these challenges, there are ongoing efforts to revitalise the area and reinforce its significance in Black civic, commercial, social, and cultural life in Boston.
Today, Nubian Square is a substantial bus terminal and terminus for the MBTA's bus rapid transit Silver Line. It is also known for its cultural significance, with proponents of the name change citing a desire to resist gentrification and rebuild a sense of community ethnic identity. The square is home to long-time local businesses like A Nubian Notion, which has been in the area for over 50 years.
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Boston Roxbury
Boston's Air Pollution Control Commission works to maintain healthy air quality levels in the city, aiming to make it a more comfortable place to live and work. The Commission regulates activities that affect air quality, such as off-street parking in Downtown, South Boston, and East Boston, and collaborates with the Massachusetts Department of Environmental Protection to implement the Clean Air Act.
The Air Pollution Control Commission's Community Clear Air Grant program funds community-based projects that aim to reduce air pollution and carbon emissions in Boston. The program supports nonprofit organizations leading community-driven initiatives to improve air quality, reduce carbon emissions, and raise awareness of environmental and public health issues. This year, the program is offering grants ranging from $2,000 to $200,000 per project, with a total of $1 million in funding available.
To actively contribute to improving air quality in Boston Roxbury, residents can participate in the real-time air pollution map by setting up their own air quality stations. This can be easily done using GAIA air quality monitors, which only require a WiFi access point and a USB-compatible power supply.
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Milton Blue Hill Observatory
The Blue Hill Meteorological Observatory in Milton, Massachusetts, is a historic site located about 10 miles south of Boston. Founded by Abbott Lawrence Rotch in 1884, the observatory stands as a monument to the science of meteorology in the United States.
The observatory is situated atop Great Blue Hill, in the Blue Hills Reservation, a 6,000-acre public park. Rotch chose this location for its elevation of 635 feet, making it the highest point within ten miles of the Atlantic Ocean on the East Coast south of central Maine. The Blue Hill Observatory is recognised for its significant contributions to the development of meteorology and was designated a National Historic Landmark in 1989.
The structure consists of a two-story circular tower and an adjacent housing unit with bedrooms, a dining room, and a kitchen. Over the years, several additions were made, including east and west wings, a library, and a steel fire door connecting the library to the masonry structure. The native stone from Great Blue Hill was used in the construction of these additions.
The Blue Hill Observatory has played a pivotal role in the history of weather observations. It houses the oldest continuous weather record in North America, dating back to 1885. The site was also instrumental in the early development of kite soundings of the atmosphere and the radiosonde in the 1930s. Today, the observatory remains active, continuing to add to its extensive database of weather observations.
The site offers various tours for visitors, including self-guided and guided options, showcasing the Mish Michaels Exhibit Hall, the History Room, the Observer's Room, and the outdoor instrument enclosure. The tower provides a 360-degree view of the surrounding area. Hiking trails are also available for those who wish to explore the natural environment surrounding the observatory.
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Frequently asked questions
Some of the most polluted areas in Boston include Magazine Beach Park, Roxbury Plaza, Nubian Square, and Ruggles.
As of August 23, 2025, the air quality in Boston is considered good, with an AQI of 36.
The best AQI level was 23 (also considered good) at 7:09 PM on August 22, 2025.
As of August 23, 2025, the air quality is satisfactory, and no special precautions are needed. However, sensitive groups may experience symptoms with prolonged exposure.




















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