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Low air quality in Kiel: Fine dust alarm on October 27, 2025!
Current air quality data for Kiel on October 27th, 2025: measured values for fine dust, ozone and nitrogen dioxide as well as recommendations.
Low air quality in Kiel: Fine dust alarm on October 27, 2025!
On October 27, 2025, air quality in Kiel received special attention. At the measuring station on Bahnhofstrasse, relevant values for air pollutants that are important for many Kiel residents were measured. The current report from KN Online shows that the focus is on the measurement parameters fine dust (PM10), nitrogen dioxide and ozone. There are certain limit values that must not be exceeded in order not to endanger the health of the population.
The limit values for fine dust are clearly defined: a value of over 50 micrograms per cubic meter of air is critical and may only be exceeded 35 times per year. Similar guidelines apply to nitrogen dioxide and ozone. The air quality measurements show that the values at the time of recording are also directly incorporated into the assessment of the air quality index (AQI), which is an important tool for assessing air conditions. According to WhatsWeather, this AQI is between 1 (very good) and 5 (very bad), with a high AQI value being particularly harmful to health.
Health effects of air quality
The health effects should not be underestimated. The EU estimates that around 240,000 people die prematurely every year due to fine dust pollution. In poor air conditions, particularly sensitive people, such as children, older people or people with previous illnesses, should avoid physical exertion outdoors. When the AQI is 'poor', the need for such precautionary measures becomes particularly clear. KN Online reports that the air quality in Kiel is influenced by various pollutants such as carbon monoxide, nitrogen monoxide and ozone.
Today, attention is also focused on the possible causes of air pollution. Fine dust, for example, can mainly be caused by traffic and industry. According to the Federal Environment Agency, New Year's Eve fireworks release around 2,050 tons of fine dust every year, of which 1,500 tons (75%) are produced on New Year's Eve itself.
Measurement methods and challenges
To record air quality, modern measurement methods are used that determine hourly average values of nitrogen dioxide and ozone as well as daily moving averages for fine dust. The question arises as to how reliable this data is and how people in Kiel can react to it. Loud Federal Environment Agency The air quality index, which continuously analyzes the values, can be determined by the concentrations of the three main pollutants - nitrogen dioxide, particulate matter and ozone. The most health-critical measurement is considered to be decisive for the overall result.
In general, the recommendations for poor air quality are clear: with an AQI of 'very bad' it is advisable to avoid outdoor activities if possible, while with an AQI of 'good' the best conditions for activities are met. It is therefore important to regularly check air quality to protect yourself and others and promote a healthy living environment.
With this in mind, it is advisable to pay attention to the readings and take appropriate action if necessary. The city of Kiel is therefore in constant dialogue with its citizens in order to ensure the best possible air quality and minimize health risks.