The smoke particles have already reached high into the atmosphere, so they won't cause health problems or unusual odours. The most colourful sunset is expected on Tuesday evening.

May was also exceptionally dry in many areas. According to the FMI, Savukoski, a village in eastern Lapland, recorded the most rainfall last month with 59.4 millimeters.

Early March's relatively mild start will get wetter in southern areas on Thursday, when a significant amount of rainfall is expected — with up to a full centimetre expected in western areas.

The conditions for the creation of an ice wall on the lake occur about once a decade, when the ice is thick enough and there are large variations in the daily temperatures. As the ice melts, it creates a chasm, but when it freezes again and expands, it forces the edge of the chasm upwards, creating the 'wall' effect.

Anopheles daciae, commonly found in eastern Europe and the Balkan States and thought to be possible carriers of malaria, has been observed in several regions of Finland.

Finland is continuing to heat up this summer - and nearing the all-time heat record for June.

The condition of the lake isn’t very good and it has the typical problems with high nutrient levels and depleted oxygen.

The Central Finland town of Jyväskylä has had a sum total of 4.5 hours of sunshine so far in November.

It was the hottest summer in the 174-year history of weather records in Helsinki, and the second hottest in the 118-year history of the weather station in Sodankylä, Lapland.

The Finnish Meteorological Institute has issued a warning of very cold temperatures from Monday afternoon to Wednesday morning, February 26 to 28.

June and July have been unusually warm in Finland.