Archive of Blue-green algae bulletins
- 8.8.2025
The blue-green algae situation has remained calm - 31.7.2025
The number of blue-green algae observations has decreased this week - 24.7.2025
The blue-green algae situation remains the same in many places, the number of observations in open sea areas has increased - 17.7.2025
Warm weather has led to more blue-green algae observations in different parts of the country - 10.7.2025
The midsummer blue-green algae situation has remained moderate in most parts of the country - 3.7.2025
Slight increase in blue-green algae observations in inland waters, coastal areas and open sea areas in the Gulf of Finland - 26.6.2025
Unstable weather has kept the blue-green algae situation calm - 19.6.2025
A calm start for the blue-green algae season
2025
- 8.8.2024
The number of blue-green algae observations has increased slightly in inland waters and on the coast of Southwest Finland - 1.8.2024
Windy and rainy weather has curbed blue-green algae blooms in lakes and sea areas - 25.7.2024
Relatively small number of blue-green algae have been observed in inland waters, but there are plenty of observations on the coast and in the open sea - 18.7.2024
Blue-green algae observations have increased in coastal and open sea areas - 11.7.2024
Slight increase in blue-green algae observations in inland waters - 4.7.2024
The blue-green algae situation has remained stable since last week, unstable and windy weather slows down the growth of blue-green algae - 27.6.2024
Warm weather has increased blue-green algae observations in inland waters, on the coasts and in the Gulf of Finland area - 7.6.2024
Blue-green algae notifications start in Midsummer week
2024
- 31.8.2023
Blue-green algae situation has calmed down at sea and in lakes - 24.8.2023
Calm weather has increased surface blooms of blue-green algae - 17.8.2023
Blue-green algae situation has remained stable both in lakes and at sea - 10.8.2023
Strong winds have dispersed blue-green algae surface blooms in inland waters and at sea - 3.8.2023
Unstable weather has kept the blue-green algae situation calm in lakes, surface blooms observed at sea - 3.8.2023
Unstable weather has kept the blue-green algae situation calm in lakes, surface blooms observed at sea - 20.7.2023
The blue-green algae situation has deteriorated in marine areas and inland waters - 13.7.2023
Warm weather has increased the number of blue-green algae observations in inland waters and sea areas - 6.7.2023
Cool and rainy weather has kept the blue-green algae situation calm on lakes and at sea - 6.7.2023
Cool and rainy weather has kept the blue-green algae situation calm on lakes and at sea - 29.6.2023
The blue-green algae situation has deteriorated significantly in inland waters and coastal areas, also abundant blue-green algae in sea areas - 29.6.2023
The blue-green algae situation has deteriorated significantly in inland waters and coastal areas, also abundant blue-green algae in sea areas - 22.6.2023
Blue-green algae observations increased in inland waters and at sea in Midsummer week - 15.6.2023
Blue-green algae observations increased slightly in inland waters and coastal areas - 8.6.2023
The blue-green algae situation calm both in the Baltic Sea and in lakes - 1.6.2023
Summer algae forecast: Warm and calm weather can lead to powerful blooms of blue-green algae - 1.6.2023
Summer algae forecast: Warm and calm weather conditions can lead to powerful blooms of blue-green algae in the Baltic Sea