De Haan

Birch

Latest measure: 
Sunday, 14 April, 2024
20232024Mean 2014 - 2023threshold value11 Mar18 Mar25 Mar01 Apr08 Apr15 Apr22 Apr29 Apr06 May13 May20 May050100150200250300350400450500550grains / m³

Ash

Latest measure: 
Sunday, 14 April, 2024
20232024Mean 2014 - 202318 Feb25 Feb04 Mar11 Mar18 Mar25 Mar01 Apr08 Apr15 Apr22 Apr29 Apr0102030405060708090100110120130140grains / m³

Oak

Latest measure: 
Sunday, 14 April, 2024
20232024Mean 2014 - 202301 Apr08 Apr15 Apr22 Apr29 Apr06 May13 May20 May27 May0102030405060708090100110120grains / m³

Alder + Hazel

Latest measure: 
Sunday, 31 March, 2024
20232024Mean 2014 - 202307 Jan14 Jan21 Jan28 Jan04 Feb11 Feb18 Feb25 Feb04 Mar11 Mar18 Mar25 Mar01 Apr050100150200250300350400450500grains / m³

Grasses

Latest measure: 
Saturday, 29 July, 2023
2023Mean 2014 - 2023threshold value29 Apr06 May13 May20 May27 May03 Jun10 Jun17 Jun24 Jun01 Jul08 Jul15 Jul22 Jul29 Jul020406080100120140160180grains / m³

Mugwort

Latest measure: 
Monday, 11 September, 2023
2023Mean 2014 - 202315 Jul22 Jul29 Jul05 Aug12 Aug19 Aug26 Aug02 Sep09 Sep012345678910111213grains / m³

Cladosporium

Latest measure: 
Thursday, 30 November, 2023
2023Mean 2014 - 2023threshold valueMayJunJulAugSepOctNov010002000300040005000600070008000900010000110001200013000fungal spores / m³

Alternaria

Latest measure: 
Sunday, 1 October, 2023
2023Mean 2014 - 2023threshold valueJunJulAugSepOct0500100015002000250030003500fungal spores / m³
With thanks to Eddy Basslé for analysing the samples (supervised by Dr. Emmanuel Nelis)

Zeepreventorium VZW
Koninklijke Baan 5
8420 De Haan

https://www.zeepreventorium.be