Pollution de l’air dans City of Westminster: indice de qualité de l’air en temps réel et alerte au smog.
Prévisions de pollution et de qualité de l’air pour City of Westminster. Aujourd’hui, c’est vendredi 2 mai 2025. Les valeurs de pollution atmosphérique suivantes ont été enregistrées pour City of Westminster:- ozone (O3) - 60 (Bon)
- la poussière de particules (PM2,5) - 7 (Bon)
- dioxyde d’azote (NO2) - 20 (Bon)
- les particules (PM10) en suspension - 23 (Modérée)
- dioxyde de soufre (SO2) - 1 (Bon)
- monoxyde de carbone (CO) - 200 (Bon)
Quelle est la qualité de l'air aujourd' City of Westminster hui? L'air est-il pollué dans City of Westminster? Y a-t-il du smog?
Aujourd'hui (mardi 16 avril 2024), la qualité de l'air est modérée en City of Westminster.
Certains polluants dans City of Westminster peuvent affecter légèrement très peu d’individus hypersensibles. Les polluants atmosphériques dans City of Westminster peuvent causer un inconfort respiratoire mineur aux personnes sensibles.
Comment est le niveau O3 aujourd’hui dans City of Westminster? (ozone (O3))
60 (Bon)
Quel est le niveau actuel de PM2,5 dans City of Westminster? (la poussière de particules (PM2,5))
Le niveau PM2.5 d’aujourd’hui est:
7 (Bon)
À titre de comparaison, le niveau le plus élevé de PM2,5 en City of Westminster au cours des 7 derniers jours était le 14 (lundi 5 février 2024) et le plus bas: 3 (jeudi 11 avril 2024).
Les valeurs pm2,5 les plus élevées ont été enregistrées: 27 (décembre 2016).
Le niveau le plus bas de pollution par les particules PM2,5 se produit depuis le mois: février (8.2).
Quel est le niveau de NO2? (dioxyde d’azote (NO2))
20 (Bon)
Quel est le niveau de PM10 aujourd’hui dans City of Westminster? (les particules (PM10) en suspension)
Le niveau actuel de particules PM10 dans City of Westminster est:
23 (Modérée)
Les valeurs PM10 les plus élevées se produisent habituellement en mois: 40 (décembre 2016).
La valeur la plus faible de la pollution par les particules PM10 dans City of Westminster est habituellement enregistrée dans: septembre (15).
Quel est le niveau de pollution du SO2? (dioxyde de soufre (SO2))
1 (Bon)
Quelle est la hauteur du niveau de CO? (monoxyde de carbone (CO))
200 (Bon)
Données actuelles mardi 16 avril 2024 à 01:00
O3 60 (Bon)
PM2,5 7 (Bon)
NO2 20 (Bon)
PM10 23 (Modérée)
SO2 1 (Bon)
CO 200 (Bon)
Données sur la pollution de l’air de ces derniers jours City of Westminster
index
2024-01-31
2024-02-01
2024-02-02
2024-02-03
2024-02-04
2024-02-05
2024-02-06
2024-02-07
2024-04-10
2024-04-11
2024-04-12
2024-04-13
2024-04-14
2024-04-15
2024-04-16
no2
41
Moderate
48
Moderate
44
Moderate
40
Moderate
29
Good
34
Good
30
Good
12
Good
8
Good
8
Good
9
Good
8
Good
9
Good
10
Good
7
Good
pm25
9
Good
-
Good
10
Good
7
Good
7
Good
14
Moderate
13
Moderate
13
Moderate
5
Good
3
Good
4
Good
4
Good
3
Good
3
Good
3
Good
co
88
Good
243
Good
235
Good
222
Good
186
Good
195
Good
157
Good
86
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
pm10
15
Good
-
Good
21
Moderate
14
Good
10
Good
30
Moderate
26
Moderate
25
Moderate
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
o3
28
Good
34
Good
25
Good
31
Good
34
Good
35
Good
36
Good
55
Good
62
Good
51
Good
60
Good
-
Good
-
Good
-
Good
-
Good
so2
0
Good
0
Good
0
Good
1
Good
1
Good
1
Good
1
Good
1
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
data source »
Pollution de l’air en City of Westminster de août 2015 à mai 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
2016-01
2015-12
2015-11
2015-10
2015-09
2015-08
o3
63 (Good)
54 (Good)
37 (Good)
23 (Good)
15 (Good)
13 (Good)
11 (Good)
15 (Good)
19 (Good)
22 (Good)
26 (Good)
23 (Good)
31 (Good)
36 (Good)
25 (Good)
15 (Good)
20 (Good)
11 (Good)
10 (Good)
17 (Good)
16 (Good)
14 (Good)
30 (Good)
32 (Good)
35 (Good)
24 (Good)
22 (Good)
24 (Good)
17 (Good)
16 (Good)
14 (Good)
16 (Good)
21 (Good)
22 (Good)
23 (Good)
26 (Good)
28 (Good)
30 (Good)
19 (Good)
15 (Good)
14 (Good)
4.8 (Good)
11 (Good)
16 (Good)
11 (Good)
17 (Good)
7.7 (Good)
19 (Good)
36 (Good)
24 (Good)
21 (Good)
16 (Good)
13 (Good)
16 (Good)
13 (Good)
12 (Good)
15 (Good)
18 (Good)
no2
38 (Good)
27 (Good)
37 (Good)
42 (Moderate)
47 (Moderate)
49 (Moderate)
53 (Moderate)
47 (Moderate)
40 (Moderate)
39 (Good)
39 (Good)
46 (Moderate)
42 (Moderate)
50 (Moderate)
51 (Moderate)
66 (Moderate)
56 (Moderate)
59 (Moderate)
60 (Moderate)
63 (Moderate)
61 (Moderate)
49 (Moderate)
62 (Moderate)
50 (Moderate)
67 (Moderate)
69 (Moderate)
66 (Moderate)
61 (Moderate)
61 (Moderate)
61 (Moderate)
65 (Moderate)
61 (Moderate)
57 (Moderate)
58 (Moderate)
57 (Moderate)
55 (Moderate)
55 (Moderate)
58 (Moderate)
65 (Moderate)
64 (Moderate)
75 (Moderate)
72 (Moderate)
65 (Moderate)
53 (Moderate)
51 (Moderate)
51 (Moderate)
41 (Moderate)
47 (Moderate)
49 (Moderate)
59 (Moderate)
62 (Moderate)
66 (Moderate)
60 (Moderate)
55 (Moderate)
58 (Moderate)
63 (Moderate)
53 (Moderate)
52 (Moderate)
pm25
11 (Good)
15 (Moderate)
9.6 (Good)
8.2 (Good)
12 (Good)
12 (Good)
13 (Moderate)
10 (Good)
8.5 (Good)
14 (Moderate)
8.8 (Good)
10 (Good)
13 (Good)
24 (Moderate)
14 (Moderate)
23 (Moderate)
15 (Moderate)
14 (Moderate)
17 (Moderate)
13 (Good)
10 (Good)
9.5 (Good)
13 (Good)
12 (Good)
16 (Moderate)
16 (Moderate)
17 (Moderate)
13 (Moderate)
13 (Good)
13 (Moderate)
16 (Moderate)
14 (Moderate)
14 (Moderate)
14 (Moderate)
12 (Good)
14 (Moderate)
15 (Moderate)
15 (Moderate)
16 (Moderate)
22 (Moderate)
25 (Moderate)
27 (Moderate)
15 (Moderate)
14 (Moderate)
15 (Moderate)
13 (Moderate)
13 (Good)
14 (Moderate)
16 (Moderate)
14 (Moderate)
19 (Moderate)
14 (Moderate)
13 (Moderate)
16 (Moderate)
18 (Moderate)
21 (Moderate)
13 (Good)
15 (Moderate)
pm10
16 (Good)
22 (Moderate)
17 (Good)
17 (Good)
19 (Good)
19 (Good)
20 (Good)
18 (Good)
17 (Good)
22 (Moderate)
19 (Good)
21 (Moderate)
20 (Good)
32 (Moderate)
24 (Moderate)
34 (Moderate)
23 (Moderate)
23 (Moderate)
27 (Moderate)
22 (Moderate)
20 (Moderate)
19 (Good)
23 (Moderate)
21 (Moderate)
27 (Moderate)
28 (Moderate)
27 (Moderate)
23 (Moderate)
22 (Moderate)
22 (Moderate)
27 (Moderate)
23 (Moderate)
20 (Good)
20 (Moderate)
19 (Good)
22 (Moderate)
23 (Moderate)
23 (Moderate)
26 (Moderate)
32 (Moderate)
33 (Moderate)
40 (Moderate)
25 (Moderate)
23 (Moderate)
25 (Moderate)
23 (Moderate)
20 (Good)
21 (Moderate)
26 (Moderate)
23 (Moderate)
28 (Moderate)
27 (Moderate)
23 (Moderate)
30 (Moderate)
29 (Moderate)
31 (Moderate)
15 (Good)
20 (Good)
so2
1.2 (Good)
2.6 (Good)
4.6 (Good)
5.1 (Good)
5.1 (Good)
5.1 (Good)
6.6 (Good)
5.7 (Good)
8.5 (Good)
5.2 (Good)
3.2 (Good)
5.3 (Good)
3.9 (Good)
3.9 (Good)
5.1 (Good)
7.2 (Good)
5.1 (Good)
7.1 (Good)
6.8 (Good)
6.4 (Good)
8.6 (Good)
6.7 (Good)
6.3 (Good)
4.3 (Good)
4.9 (Good)
6.4 (Good)
7 (Good)
7.1 (Good)
11 (Good)
9.2 (Good)
9.4 (Good)
8.7 (Good)
7.5 (Good)
6.9 (Good)
6.8 (Good)
7.6 (Good)
6 (Good)
5.5 (Good)
7.3 (Good)
8.5 (Good)
12 (Good)
11 (Good)
9.6 (Good)
7.7 (Good)
8.2 (Good)
8 (Good)
8.8 (Good)
8.6 (Good)
6.9 (Good)
8.3 (Good)
6.6 (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
data source »
London Marylebone Road
mercredi 7 février 2024 à 07:00
O3 60 (Bon)
ozone (O3)
PM2,5 11 (Bon)
la poussière de particules (PM2,5)
NO2 32 (Bon)
dioxyde d’azote (NO2)
PM10 23 (Modérée)
les particules (PM10) en suspension
SO2 1 (Bon)
dioxyde de soufre (SO2)
CO 200 (Bon)
monoxyde de carbone (CO)
London Westminster
mardi 16 avril 2024 à 01:00
PM2,5 3 (Bon)
la poussière de particules (PM2,5)
NO2 7 (Bon)
dioxyde d’azote (NO2)
O3 59 (Bon)
ozone (O3)
London Marylebone Road
index
2024-02-07
2024-02-06
2024-02-05
2024-02-04
2024-02-03
2024-02-02
2024-02-01
2024-01-31
no2
12
30
34
29
40
44
48
41
pm25
13
13
14
6.7
7.2
9.9
-
8.5
co
86
157
195
186
222
235
243
88
pm10
25
26
30
9.5
14
21
-
15
o3
55
36
35
34
31
25
34
28
so2
1
1.1
1.3
1.4
0.75
0.42
-0.35
0.3
London Westminster
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
pm25
3
2.9
3.2
3.9
3.8
2.9
4.5
o3
-
-
-
-
60
51
62
no2
7
9.9
9.1
8.3
8.7
8.1
7.7
London Marylebone Road
2015-08 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
2016-01
2015-12
2015-11
2015-10
2015-09
2015-08
pm25
9
14
8.5
7.1
12
12
13
9.6
7.2
11
8.7
11
16
26
17
27
16
16
19
15
14
13
16
14
18
18
17
13
13
13
16
14
14
14
12
14
15
15
16
22
25
27
15
14
15
13
13
14
16
14
19
14
13
16
18
21
13
15
no2
24
30
50
60
61
64
64
61
56
57
61
70
57
60
73
80
65
80
77
87
94
77
95
76
96
102
84
75
83
79
81
84
84
87
83
82
72
63
82
78
84
92
87
71
82
81
66
79
74
89
80
85
79
86
82
90
72
72
pm10
16
22
17
17
19
19
20
18
17
22
19
21
20
32
24
34
23
23
27
22
20
19
23
21
27
28
27
23
22
22
27
23
20
20
19
22
23
23
26
32
33
40
25
23
25
23
20
21
26
23
28
27
23
30
29
31
15
20
o3
63
54
37
23
15
13
11
15
19
22
26
23
31
36
25
15
20
11
10
17
16
14
30
32
35
24
22
24
17
16
14
16
21
22
23
26
28
30
19
15
14
4.8
11
16
11
17
7.7
19
36
24
21
16
13
16
13
12
15
18
so2
1.2
2.6
4.6
5.1
5.1
5.1
6.6
5.7
8.5
5.2
3.2
5.3
3.9
3.9
5.1
7.2
5.1
7.1
6.8
6.4
8.6
6.7
6.3
4.3
4.9
6.4
7
7.1
11
9.2
9.4
8.7
7.5
6.9
6.8
7.6
6
5.5
7.3
8.5
12
11
9.6
7.7
8.2
8
8.8
8.6
6.9
8.3
6.6
-
-
-
-
-
-
-
London Westminster
2015-08 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
2016-01
2015-12
2015-11
2015-10
2015-09
2015-08
no2
52
24
25
24
32
34
42
32
25
21
18
21
28
40
29
52
48
38
44
40
29
21
28
25
37
36
49
46
38
42
49
37
30
28
32
28
38
54
48
49
66
51
43
36
21
21
15
16
24
28
44
46
41
25
35
36
34
32
pm25
13
17
11
9.4
12
12
14
11
9.7
17
8.9
8.9
10
22
11
19
14
11
16
10
7.4
6.4
9.9
9.3
15
14
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
* Pollution data source:
https://openaq.org
(DEFRA)
The data is licensed under CC-By 4.0
O3 60 (Bon)
PM2,5 7 (Bon)
NO2 20 (Bon)
PM10 23 (Modérée)
SO2 1 (Bon)
CO 200 (Bon)
Données sur la pollution de l’air de ces derniers jours City of Westminster
| index | 2024-01-31 | 2024-02-01 | 2024-02-02 | 2024-02-03 | 2024-02-04 | 2024-02-05 | 2024-02-06 | 2024-02-07 | 2024-04-10 | 2024-04-11 | 2024-04-12 | 2024-04-13 | 2024-04-14 | 2024-04-15 | 2024-04-16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 41 Moderate |
48 Moderate |
44 Moderate |
40 Moderate |
29 Good |
34 Good |
30 Good |
12 Good |
8 Good |
8 Good |
9 Good |
8 Good |
9 Good |
10 Good |
7 Good |
| pm25 | 9 Good |
- Good |
10 Good |
7 Good |
7 Good |
14 Moderate |
13 Moderate |
13 Moderate |
5 Good |
3 Good |
4 Good |
4 Good |
3 Good |
3 Good |
3 Good |
| co | 88 Good |
243 Good |
235 Good |
222 Good |
186 Good |
195 Good |
157 Good |
86 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
| pm10 | 15 Good |
- Good |
21 Moderate |
14 Good |
10 Good |
30 Moderate |
26 Moderate |
25 Moderate |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
| o3 | 28 Good |
34 Good |
25 Good |
31 Good |
34 Good |
35 Good |
36 Good |
55 Good |
62 Good |
51 Good |
60 Good |
- Good |
- Good |
- Good |
- Good |
| so2 | 0 Good |
0 Good |
0 Good |
1 Good |
1 Good |
1 Good |
1 Good |
1 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 | 2015-09 | 2015-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 63 (Good) | 54 (Good) | 37 (Good) | 23 (Good) | 15 (Good) | 13 (Good) | 11 (Good) | 15 (Good) | 19 (Good) | 22 (Good) | 26 (Good) | 23 (Good) | 31 (Good) | 36 (Good) | 25 (Good) | 15 (Good) | 20 (Good) | 11 (Good) | 10 (Good) | 17 (Good) | 16 (Good) | 14 (Good) | 30 (Good) | 32 (Good) | 35 (Good) | 24 (Good) | 22 (Good) | 24 (Good) | 17 (Good) | 16 (Good) | 14 (Good) | 16 (Good) | 21 (Good) | 22 (Good) | 23 (Good) | 26 (Good) | 28 (Good) | 30 (Good) | 19 (Good) | 15 (Good) | 14 (Good) | 4.8 (Good) | 11 (Good) | 16 (Good) | 11 (Good) | 17 (Good) | 7.7 (Good) | 19 (Good) | 36 (Good) | 24 (Good) | 21 (Good) | 16 (Good) | 13 (Good) | 16 (Good) | 13 (Good) | 12 (Good) | 15 (Good) | 18 (Good) |
| no2 | 38 (Good) | 27 (Good) | 37 (Good) | 42 (Moderate) | 47 (Moderate) | 49 (Moderate) | 53 (Moderate) | 47 (Moderate) | 40 (Moderate) | 39 (Good) | 39 (Good) | 46 (Moderate) | 42 (Moderate) | 50 (Moderate) | 51 (Moderate) | 66 (Moderate) | 56 (Moderate) | 59 (Moderate) | 60 (Moderate) | 63 (Moderate) | 61 (Moderate) | 49 (Moderate) | 62 (Moderate) | 50 (Moderate) | 67 (Moderate) | 69 (Moderate) | 66 (Moderate) | 61 (Moderate) | 61 (Moderate) | 61 (Moderate) | 65 (Moderate) | 61 (Moderate) | 57 (Moderate) | 58 (Moderate) | 57 (Moderate) | 55 (Moderate) | 55 (Moderate) | 58 (Moderate) | 65 (Moderate) | 64 (Moderate) | 75 (Moderate) | 72 (Moderate) | 65 (Moderate) | 53 (Moderate) | 51 (Moderate) | 51 (Moderate) | 41 (Moderate) | 47 (Moderate) | 49 (Moderate) | 59 (Moderate) | 62 (Moderate) | 66 (Moderate) | 60 (Moderate) | 55 (Moderate) | 58 (Moderate) | 63 (Moderate) | 53 (Moderate) | 52 (Moderate) |
| pm25 | 11 (Good) | 15 (Moderate) | 9.6 (Good) | 8.2 (Good) | 12 (Good) | 12 (Good) | 13 (Moderate) | 10 (Good) | 8.5 (Good) | 14 (Moderate) | 8.8 (Good) | 10 (Good) | 13 (Good) | 24 (Moderate) | 14 (Moderate) | 23 (Moderate) | 15 (Moderate) | 14 (Moderate) | 17 (Moderate) | 13 (Good) | 10 (Good) | 9.5 (Good) | 13 (Good) | 12 (Good) | 16 (Moderate) | 16 (Moderate) | 17 (Moderate) | 13 (Moderate) | 13 (Good) | 13 (Moderate) | 16 (Moderate) | 14 (Moderate) | 14 (Moderate) | 14 (Moderate) | 12 (Good) | 14 (Moderate) | 15 (Moderate) | 15 (Moderate) | 16 (Moderate) | 22 (Moderate) | 25 (Moderate) | 27 (Moderate) | 15 (Moderate) | 14 (Moderate) | 15 (Moderate) | 13 (Moderate) | 13 (Good) | 14 (Moderate) | 16 (Moderate) | 14 (Moderate) | 19 (Moderate) | 14 (Moderate) | 13 (Moderate) | 16 (Moderate) | 18 (Moderate) | 21 (Moderate) | 13 (Good) | 15 (Moderate) |
| pm10 | 16 (Good) | 22 (Moderate) | 17 (Good) | 17 (Good) | 19 (Good) | 19 (Good) | 20 (Good) | 18 (Good) | 17 (Good) | 22 (Moderate) | 19 (Good) | 21 (Moderate) | 20 (Good) | 32 (Moderate) | 24 (Moderate) | 34 (Moderate) | 23 (Moderate) | 23 (Moderate) | 27 (Moderate) | 22 (Moderate) | 20 (Moderate) | 19 (Good) | 23 (Moderate) | 21 (Moderate) | 27 (Moderate) | 28 (Moderate) | 27 (Moderate) | 23 (Moderate) | 22 (Moderate) | 22 (Moderate) | 27 (Moderate) | 23 (Moderate) | 20 (Good) | 20 (Moderate) | 19 (Good) | 22 (Moderate) | 23 (Moderate) | 23 (Moderate) | 26 (Moderate) | 32 (Moderate) | 33 (Moderate) | 40 (Moderate) | 25 (Moderate) | 23 (Moderate) | 25 (Moderate) | 23 (Moderate) | 20 (Good) | 21 (Moderate) | 26 (Moderate) | 23 (Moderate) | 28 (Moderate) | 27 (Moderate) | 23 (Moderate) | 30 (Moderate) | 29 (Moderate) | 31 (Moderate) | 15 (Good) | 20 (Good) |
| so2 | 1.2 (Good) | 2.6 (Good) | 4.6 (Good) | 5.1 (Good) | 5.1 (Good) | 5.1 (Good) | 6.6 (Good) | 5.7 (Good) | 8.5 (Good) | 5.2 (Good) | 3.2 (Good) | 5.3 (Good) | 3.9 (Good) | 3.9 (Good) | 5.1 (Good) | 7.2 (Good) | 5.1 (Good) | 7.1 (Good) | 6.8 (Good) | 6.4 (Good) | 8.6 (Good) | 6.7 (Good) | 6.3 (Good) | 4.3 (Good) | 4.9 (Good) | 6.4 (Good) | 7 (Good) | 7.1 (Good) | 11 (Good) | 9.2 (Good) | 9.4 (Good) | 8.7 (Good) | 7.5 (Good) | 6.9 (Good) | 6.8 (Good) | 7.6 (Good) | 6 (Good) | 5.5 (Good) | 7.3 (Good) | 8.5 (Good) | 12 (Good) | 11 (Good) | 9.6 (Good) | 7.7 (Good) | 8.2 (Good) | 8 (Good) | 8.8 (Good) | 8.6 (Good) | 6.9 (Good) | 8.3 (Good) | 6.6 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
O3 60 (Bon)
ozone (O3)PM2,5 11 (Bon)
la poussière de particules (PM2,5)NO2 32 (Bon)
dioxyde d’azote (NO2)PM10 23 (Modérée)
les particules (PM10) en suspensionSO2 1 (Bon)
dioxyde de soufre (SO2)CO 200 (Bon)
monoxyde de carbone (CO)PM2,5 3 (Bon)
la poussière de particules (PM2,5)NO2 7 (Bon)
dioxyde d’azote (NO2)O3 59 (Bon)
ozone (O3)London Marylebone Road
| index | 2024-02-07 | 2024-02-06 | 2024-02-05 | 2024-02-04 | 2024-02-03 | 2024-02-02 | 2024-02-01 | 2024-01-31 |
|---|---|---|---|---|---|---|---|---|
| no2 | 12 | 30 | 34 | 29 | 40 | 44 | 48 | 41 |
| pm25 | 13 | 13 | 14 | 6.7 | 7.2 | 9.9 | - | 8.5 |
| co | 86 | 157 | 195 | 186 | 222 | 235 | 243 | 88 |
| pm10 | 25 | 26 | 30 | 9.5 | 14 | 21 | - | 15 |
| o3 | 55 | 36 | 35 | 34 | 31 | 25 | 34 | 28 |
| so2 | 1 | 1.1 | 1.3 | 1.4 | 0.75 | 0.42 | -0.35 | 0.3 |
London Westminster
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 |
|---|---|---|---|---|---|---|---|
| pm25 | 3 | 2.9 | 3.2 | 3.9 | 3.8 | 2.9 | 4.5 |
| o3 | - | - | - | - | 60 | 51 | 62 |
| no2 | 7 | 9.9 | 9.1 | 8.3 | 8.7 | 8.1 | 7.7 |
London Marylebone Road
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 | 2015-09 | 2015-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9 | 14 | 8.5 | 7.1 | 12 | 12 | 13 | 9.6 | 7.2 | 11 | 8.7 | 11 | 16 | 26 | 17 | 27 | 16 | 16 | 19 | 15 | 14 | 13 | 16 | 14 | 18 | 18 | 17 | 13 | 13 | 13 | 16 | 14 | 14 | 14 | 12 | 14 | 15 | 15 | 16 | 22 | 25 | 27 | 15 | 14 | 15 | 13 | 13 | 14 | 16 | 14 | 19 | 14 | 13 | 16 | 18 | 21 | 13 | 15 |
| no2 | 24 | 30 | 50 | 60 | 61 | 64 | 64 | 61 | 56 | 57 | 61 | 70 | 57 | 60 | 73 | 80 | 65 | 80 | 77 | 87 | 94 | 77 | 95 | 76 | 96 | 102 | 84 | 75 | 83 | 79 | 81 | 84 | 84 | 87 | 83 | 82 | 72 | 63 | 82 | 78 | 84 | 92 | 87 | 71 | 82 | 81 | 66 | 79 | 74 | 89 | 80 | 85 | 79 | 86 | 82 | 90 | 72 | 72 |
| pm10 | 16 | 22 | 17 | 17 | 19 | 19 | 20 | 18 | 17 | 22 | 19 | 21 | 20 | 32 | 24 | 34 | 23 | 23 | 27 | 22 | 20 | 19 | 23 | 21 | 27 | 28 | 27 | 23 | 22 | 22 | 27 | 23 | 20 | 20 | 19 | 22 | 23 | 23 | 26 | 32 | 33 | 40 | 25 | 23 | 25 | 23 | 20 | 21 | 26 | 23 | 28 | 27 | 23 | 30 | 29 | 31 | 15 | 20 |
| o3 | 63 | 54 | 37 | 23 | 15 | 13 | 11 | 15 | 19 | 22 | 26 | 23 | 31 | 36 | 25 | 15 | 20 | 11 | 10 | 17 | 16 | 14 | 30 | 32 | 35 | 24 | 22 | 24 | 17 | 16 | 14 | 16 | 21 | 22 | 23 | 26 | 28 | 30 | 19 | 15 | 14 | 4.8 | 11 | 16 | 11 | 17 | 7.7 | 19 | 36 | 24 | 21 | 16 | 13 | 16 | 13 | 12 | 15 | 18 |
| so2 | 1.2 | 2.6 | 4.6 | 5.1 | 5.1 | 5.1 | 6.6 | 5.7 | 8.5 | 5.2 | 3.2 | 5.3 | 3.9 | 3.9 | 5.1 | 7.2 | 5.1 | 7.1 | 6.8 | 6.4 | 8.6 | 6.7 | 6.3 | 4.3 | 4.9 | 6.4 | 7 | 7.1 | 11 | 9.2 | 9.4 | 8.7 | 7.5 | 6.9 | 6.8 | 7.6 | 6 | 5.5 | 7.3 | 8.5 | 12 | 11 | 9.6 | 7.7 | 8.2 | 8 | 8.8 | 8.6 | 6.9 | 8.3 | 6.6 | - | - | - | - | - | - | - |
London Westminster
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 | 2015-09 | 2015-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 52 | 24 | 25 | 24 | 32 | 34 | 42 | 32 | 25 | 21 | 18 | 21 | 28 | 40 | 29 | 52 | 48 | 38 | 44 | 40 | 29 | 21 | 28 | 25 | 37 | 36 | 49 | 46 | 38 | 42 | 49 | 37 | 30 | 28 | 32 | 28 | 38 | 54 | 48 | 49 | 66 | 51 | 43 | 36 | 21 | 21 | 15 | 16 | 24 | 28 | 44 | 46 | 41 | 25 | 35 | 36 | 34 | 32 |
| pm25 | 13 | 17 | 11 | 9.4 | 12 | 12 | 14 | 11 | 9.7 | 17 | 8.9 | 8.9 | 10 | 22 | 11 | 19 | 14 | 11 | 16 | 10 | 7.4 | 6.4 | 9.9 | 9.3 | 15 | 14 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |