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Brussels
Alder + Hazel
Latest measure:
Tuesday, 1 April, 2025
2024
2025
Mean 2015 - 2024
07 Jan
14 Jan
21 Jan
28 Jan
04 Feb
11 Feb
18 Feb
25 Feb
04 Mar
11 Mar
18 Mar
25 Mar
01 Apr
0
100
200
300
400
500
600
700
800
grains / m³
Basidiospores
Latest measure:
Saturday, 30 November, 2024
2024
Mean 2015 - 2024
Jul
Aug
Sep
Oct
Nov
0
2000
4000
6000
8000
10000
12000
14000
16000
fungal spores / m³
Oak
Latest measure:
Monday, 19 May, 2025
2024
2025
Mean 2015 - 2024
01 Apr
08 Apr
15 Apr
22 Apr
29 Apr
06 May
13 May
20 May
27 May
0
100
200
300
400
500
600
700
800
900
grains / m³
Alternaria
Latest measure:
Tuesday, 1 October, 2024
2024
Mean 2015 - 2024
threshold value
Jun
Jul
Aug
Sep
Oct
0
100
200
300
400
500
600
700
800
900
1000
1100
fungal spores / m³
Mugwort
Latest measure:
Monday, 30 September, 2024
2024
Mean 2015 - 2024
15 Jul
22 Jul
29 Jul
05 Aug
12 Aug
19 Aug
26 Aug
02 Sep
09 Sep
16 Sep
23 Sep
30 Sep
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
grains / m³
Ash
Latest measure:
Thursday, 1 May, 2025
2024
2025
Mean 2015 - 2024
18 Feb
25 Feb
04 Mar
11 Mar
18 Mar
25 Mar
01 Apr
08 Apr
15 Apr
22 Apr
29 Apr
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
grains / m³
Birch
Latest measure:
Monday, 19 May, 2025
2024
2025
Mean 2015 - 2024
threshold value
11 Mar
18 Mar
25 Mar
01 Apr
08 Apr
15 Apr
22 Apr
29 Apr
06 May
13 May
20 May
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
grains / m³
Grasses
Latest measure:
Monday, 19 May, 2025
2024
2025
Mean 2015 - 2024
threshold value
May
Jun
Jul
Aug
0
20
40
60
80
100
120
140
160
180
200
220
grains / m³
Cladosporium
Latest measure:
Tuesday, 13 May, 2025
2024
2025
Mean 2015 - 2024
threshold value
May
Jun
Jul
Aug
Sep
Oct
Nov
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
fungal spores / m³
Bruxelles
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