Kamiichi Weather
Loading current temperature, humidity, wind, and air quality context for Kamiichi, Toyama, Japan.
Loading current temperature, humidity, wind, and air quality context for Kamiichi, Toyama, Japan.
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Kamiichi, nestled within Toyama Prefecture, Japan, presents a unique geographic setting profoundly influencing its air quality. Situated at coordinates 36.7000, 137.3667, the city occupies a relatively flat area within the broader Toyama Plain, a coastal region bordered by the Japanese Alps to the west and the Sea of Japan to the north. This positioning creates a complex interplay of meteorological conditions. The surrounding terrain is characterised by alluvial plains formed by the Jinzū River, which flows through the region, and the foothills of the mountains. Kamiichi’s elevation is modest, contributing to potential temperature inversions, particularly during winter. The city’s proximity to the Sea of Japan introduces maritime influences, including moisture and seasonal winds. While not heavily industrialised itself, Kamiichi is located near Toyama City, a regional industrial hub, and benefits from surrounding agricultural lands, primarily rice paddies. The urban-rural gradient is noticeable, with denser residential areas transitioning quickly to agricultural landscapes. This mix impacts air quality, as agricultural practices can contribute to ammonia emissions, while regional industrial activity can transport pollutants via prevailing winds. The limited natural ventilation due to the surrounding mountains can trap pollutants, exacerbating air quality concerns during stagnant weather patterns.
Kamiichi’s air quality follows a distinct seasonal pattern. Spring (March-May) sees a gradual improvement as winds increase and temperatures rise, dispersing winter pollutants. However, pollen from local cedar trees becomes a significant irritant, impacting respiratory health. Summer (June-August) benefits from monsoon winds bringing cleaner air from the Pacific, though humidity can trap pollutants during calm periods. Autumn (September-November) is generally the clearest period, with stable, dry conditions and good wind circulation. However, agricultural burning following the rice harvest can temporarily degrade air quality. Winter (December-February) presents the most challenging conditions. Cold, stagnant air masses become trapped by the surrounding mountains, leading to temperature inversions. These inversions prevent vertical mixing, concentrating pollutants near the ground. Snowfall can temporarily scrub the air, but also contributes to increased particulate matter from road salting and snow removal. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during winter mornings and evenings. Fog, common in winter, further exacerbates particulate matter concentrations. Months to favour for outdoor activity are September, October, and early November.
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US EPA AQI
😊 Good
Air quality is satisfactory and poses little or no health risk.
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