Brussels

Grasses

Latest measure: 
Wednesday, 29 May, 2024
20232024Mean 2014 - 2023threshold value22 Apr29 Apr06 May13 May20 May27 May03 Jun10 Jun17 Jun24 Jun01 Jul08 Jul15 Jul22 Jul020406080100120140160180200220240grains / m³

Oak

Latest measure: 
Monday, 27 May, 2024
20232024Mean 2014 - 202301 Apr08 Apr15 Apr22 Apr29 Apr06 May13 May20 May27 May050100150200250300350400450500grains / m³

Birch

Latest measure: 
Thursday, 23 May, 2024
20232024Mean 2014 - 2023threshold value11 Mar18 Mar25 Mar01 Apr08 Apr15 Apr22 Apr29 Apr06 May13 May20 May02004006008001000120014001600180020002200grains / m³

Ash

Latest measure: 
Wednesday, 1 May, 2024
20232024Mean 2014 - 202318 Feb25 Feb04 Mar11 Mar18 Mar25 Mar01 Apr08 Apr15 Apr22 Apr29 Apr050100150200250300350grains / m³

Alder + Hazel

Latest measure: 
Monday, 1 April, 2024
20232024Mean 2014 - 202307 Jan14 Jan21 Jan28 Jan04 Feb11 Feb18 Feb25 Feb04 Mar11 Mar18 Mar25 Mar01 Apr0100200300400500600700800grains / m³

Mugwort

Latest measure: 
Monday, 11 September, 2023
2023Mean 2014 - 202315 Jul22 Jul29 Jul05 Aug12 Aug19 Aug26 Aug02 Sep09 Sep0246810121416182022grains / m³

Cladosporium

Latest measure: 
Wednesday, 29 May, 2024
20232024Mean 2014 - 2023threshold valueMayJunJulAugSepOctNov020004000600080001000012000140001600018000200002200024000fungal spores / m³

Alternaria

Latest measure: 
Sunday, 1 October, 2023
2023Mean 2014 - 2023threshold valueJunJulAugSepOct0200400600800100012001400fungal spores / m³

Basidiospores

Latest measure: 
Thursday, 30 November, 2023
2023Mean 2014 - 2023JulAugSepOctNov010002000300040005000600070008000fungal spores / m³

Sciensano, section of MYCOLOGY-AEROBIOLOGY
J. Wytsmanstreet 14, 1050 Brussels - Phone: 02/642 55 18 - Fax: 02/642 55 19 - E-mail: airallergy@sciensano.be