Mohammadia Air Quality Index (AQI)

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Mohammadia, nestled within the Mascara province of Algeria, occupies a geographically significant position in the country’s northwest. Located at approximately 35.5833°N latitude and 0.0667°E longitude, the city benefits from a temperate Mediterranean climate, though its inland location moderates the coastal influences. The terrain surrounding Mohammadia is characterised by rolling hills and plains, part of the Tell Atlas mountain range foothills, creating a varied topography. The city’s elevation, while not extreme, contributes to localised weather patterns. Unlike coastal cities, Mohammadia isn’t directly exposed to strong marine winds, which can both disperse and concentrate pollutants. The urban-rural gradient is relatively sharp; agricultural lands dominate the immediate surroundings, with olive groves and cereal crops being prevalent. While Mohammadia isn’t a major industrial hub, regional agricultural processing and smaller-scale manufacturing contribute to localised emissions. The absence of large bodies of water nearby means limited evaporative cooling, potentially exacerbating summer heat and pollutant concentration. Dust from the surrounding agricultural lands and potential Saharan dust intrusions are significant factors influencing air quality. The city’s position within a valley-like formation can also trap pollutants during periods of atmospheric stability, impacting air circulation and leading to localised build-up of particulate matter and other contaminants. This geographical setting demands careful consideration of air quality management strategies.

Mohammadia experiences a distinct seasonal air quality pattern. Spring (March-May) often sees a rise in particulate matter due to agricultural activities – ploughing and harvesting release dust and soil particles. Winds, while generally moderate, can carry these pollutants into the city. Summer (June-August) brings hot, dry conditions and potential temperature inversions, trapping pollutants near the ground. While rainfall is minimal, occasional thunderstorms can temporarily improve air quality by washing away particulate matter. Autumn (September-November) is generally the most favourable period, with cooler temperatures and increased rainfall helping to disperse pollutants. However, the burning of agricultural waste after harvest can cause localised spikes in smoke and particulate matter. Winter (December-February) is characterised by cooler, damp conditions and increased use of heating fuels, particularly wood and charcoal in residential areas. This leads to higher concentrations of smoke and carbon monoxide. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during peak pollution periods in spring and winter. November and December are particularly challenging. Avoiding strenuous activity near busy roads during rush hour is advisable year-round. Monitoring local weather forecasts and air quality reports is crucial for informed decision-making regarding outdoor exposure.