Rehoboth Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Rehoboth, Massachusetts, nestled in Bristol County, occupies a geographically interesting position within the broader New England landscape. Situated approximately 60 miles south of Boston, it’s part of the southeastern Massachusetts coastal plain, characterized by gently rolling hills and a relatively low elevation, averaging around 300 feet above sea level. The town’s location is significantly influenced by the presence of the Taunton River, which forms a portion of its western boundary, contributing to localized humidity and potential fog formation. Rehoboth’s terrain is primarily agricultural, with a patchwork of farmland and woodlands, reflecting a gradual urban–rural gradient as one moves away from the larger urban centers to the east. While not directly adjacent to major industrial zones, it’s within reasonable commuting distance to Providence, Rhode Island, and the industrial areas of southeastern Massachusetts, potentially exposing it to transported pollutants. The surrounding landscape is dominated by deciduous forests, which contribute to seasonal pollen levels and can influence local air circulation patterns. The proximity to the Atlantic Ocean, though not immediate, introduces the possibility of marine-derived aerosols and influences regional weather systems. The town’s relatively small size and dispersed residential areas mean that localized sources of pollution, such as wood-burning stoves or agricultural practices, can have a more noticeable impact on air quality within specific neighborhoods. The underlying geology, consisting primarily of glacial till and outwash deposits, doesn't significantly impact air quality directly, but influences drainage and surface water runoff, which can indirectly affect pollutant dispersal.

Rehoboth’s air quality experiences a distinct seasonal cycle driven by meteorological factors. Spring brings a surge in pollen, impacting respiratory health, particularly for those with allergies. The warming temperatures and increased sunlight also encourage vegetation growth, which can initially absorb pollutants but later release volatile organic compounds (VOCs). Summer months are generally favorable, with prevailing winds from the south-east often dispersing pollutants towards the ocean. However, periods of stagnant air, especially during heatwaves, can lead to localized ozone formation, a secondary pollutant created by reactions involving sunlight and vehicle emissions. Autumn presents a mixed picture. While cooler temperatures reduce ozone formation, the burning of leaves, a common practice, introduces particulate matter into the air. The increased frequency of temperature inversions, where a layer of warm air traps cooler air near the ground, can exacerbate pollution buildup, particularly in the mornings. Winter is often the most challenging season. Cold temperatures and frequent temperature inversions trap pollutants, leading to increased concentrations of particulate matter from wood-burning stoves and vehicle exhaust. Fog, common during winter mornings, further reduces air mixing and worsens conditions. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should limit outdoor exertion on days with visible fog or stagnant air. During the pollen season (spring), minimizing exposure to outdoor allergens is crucial. Overall, late fall and winter months require heightened awareness and precautionary measures to protect respiratory health.