S Leva:Etusivu/en

These pages are intended for experts who participate in writing reviews and interpretations of the cyanobacterial situation as part of the nationwide blue-green algal monitoring. Other users have been blocked from accessing this page and its subpages. The public blue-green algae monitoring pages can be found here: The cyanobacterial situation.

The cyanobacterial situation tables

• Merialueen levätilannetaulukko
• Sisävesien levätilannetaulukko

The cyanobacterial situation table shows the status of each observation site during the different weeks of blue-algae monitoring. The cyanobacterial situation tables of each ELY centre can be found on the public pages of the blue-green algae monitoring or in the blue-green algae archive.

Sinileväarkisto

• Levätilannearkisto
• Levätaulukkoarkisto
• Leväbarometriarkisto

Kuvat

Pyhäselkä (Saimaa) (04.321.1.001)/­Valtakunnallinen sinileväseuranta (Rääkkylän Paksuniemen uimaranta)

16. kesäkuu 2026 09:28

Ei levää

Katso lisää kuvia

Observations on the cyanobacterial situation this week (25)

The map shows the national blue-green algae monitoring findings for the current week as well as observations made by citizens. If necessary, citizens' perceptions can be hidden from the layer menu.

Sinileväbarometri

Tools and statistics

Summary of the passing weeks (25) situation

	Sisävedet	Merialueet	Yhteensä
Havaintopaikat	279	93	372
Erittäin runsaasti sinilevää	0	0	0
Runsaasti sinilevää	1	0	1
Hieman sinilevää	15	2	17
Ei sinilevää	55	20	75
Yhteensä	71	22	93
Havainnointi-%	25 %	24 %	25 %
Sinileväbarometri	0.24	-1
Vertailuarvo (1998-2025)	0.09	0.09
Compared to last week	+ 0.15	-

Summary of citizen-generated observations for the passing week (25)

A total of 40 observations of the cyanobacterial situation made by citizen or otherwise outside of the official monitoring campaign have been uploaded to Lake-Seawiki during the passing week . In 16 of these observations, algae had been detected.

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