Uckfield Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Uckfield, nestled in the Wealden district of East Sussex, occupies a gently undulating landscape within the High Weald Area of Outstanding Natural Beauty. Its coordinates, 50.9700° N, 0.1000° E, place it roughly 40 miles south of London and 10 miles north of Haywards Heath. The town sits at an elevation of approximately 160 feet (49 meters) above sea level, influencing local wind patterns and potential for temperature inversions. Uckfield is not directly adjacent to the coast, but benefits from a moderating maritime influence. The surrounding area is predominantly rural, characterised by a mix of ancient woodland, rolling farmland – much of it dedicated to arable crops and pasture – and scattered settlements. Historically, the Weald was a significant iron-producing region, though large-scale industry is now absent. The urban-rural gradient is quite sharp; Uckfield represents a market town serving a largely agricultural hinterland. This proximity to agricultural land can contribute to particulate matter pollution from farming activities, while the relatively sheltered location can trap pollutants during calm weather conditions. The River Uck flows nearby, but its impact on localised air quality is minimal compared to meteorological and agricultural factors. The town’s position within a valley also affects dispersion of pollutants.

Uckfield’s air quality follows a distinct seasonal pattern. Winter, from November to February, often sees the poorest air quality. Damp, still conditions and temperature inversions – common in the Wealden valleys – trap pollutants, particularly particulate matter from wood burning stoves and domestic heating. Fog, prevalent during these months, exacerbates the issue by reducing dispersion. Spring (March-May) brings improvement as winds increase and rainfall washes pollutants from the atmosphere. However, agricultural activities, such as fertiliser application and ploughing, can temporarily elevate particulate matter levels. Summer (June-August) generally offers the cleanest air, with strong prevailing winds and high temperatures promoting dispersion. However, occasional heatwaves can lead to increased ozone formation. Autumn (September-October) sees a return to poorer conditions as heating demand increases and agricultural practices continue. Sensitive individuals – those with respiratory conditions, the elderly, and young children – should be particularly cautious during winter and autumn months. Avoiding strenuous outdoor activity on still, cold days is advisable. Monitoring local forecasts and limiting wood burning when air quality is poor are also recommended preventative measures. The wet season, generally October to March, tends to correlate with lower particulate matter but higher humidity.