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The Helsinki Region Environmental Services Authority (HSY) published air quality monitoring results for the Port of Katajanokka (Finland). According to the report, the Nordic maritime station significantly reduced atmospheric pollutant concentrations.
On the facility's website, it was reported that "in 2025, atmospheric pollutant concentrations in the southern port of Katajanokka were low compared to Helsinki's heavy traffic areas. Ports are located in well-ventilated areas, and emissions are effectively diluted in open environments. In addition to emissions from ships, other traffic within the port area also affects air quality."
Furthermore, it was detailed that "emissions from both maritime traffic and road traffic in port areas have decreased significantly over the past 20 years. Atmospheric pollutant concentration limits have not been exceeded."
"In particular, sulfur dioxide concentrations have decreased notably since emission regulations for maritime transport were tightened in 2010 and 2015. Additionally, measurements show that sulfur dioxide emissions from energy production in the Helsinki metropolitan area have significantly decreased. Currently, concentrations are practically zero, states Saija Korhonen, air quality specialist at the Helsinki Health Service," the circular added.
Regarding nitrogen dioxide concentrations, it was reported that "they have been halved in Helsinki's ports. This decrease is due to the renewal of the vehicle fleet, the reduction of exhaust emissions, and the decrease in emissions from maritime transport," the statement concluded.
Source: portalportuario
