Znečištění ovzduší v Hillingdon: Real-time Index kvality ovzduší a smog alert.
Předpověď znečištění a kvality ovzduší pro Hillingdon. Dnes je pátek 2. května 2025. Pro Hillingdon byly zaznamenány tyto hodnoty znečištění ovzduší:- ozon (O3) - 75 (Střední)
- prach z částic (PM2,5) - 5 (Dobré)
- prach z částic (PM10) - 12 (Dobré)
- oxid dusičitý (NO2) - 10 (Dobré)
Jaká je kvalita ovzduší v Hillingdon dnes? Je vzduch znečištěný v Hillingdon? Je tam smog?
Dnes (úterý 16. dubna 2024) kvalita ovzduší je v Hillingdon mírná.
Některé znečišťující látky v Hillingdon možně postihují velmi málo přecitlivělých jedinců. Látky znečišťující ovzduší v Hillingdon můž způsobit citlivé osoby menší dýchací potíže.
Jak je dnes úroveň O3 v Hillingdon? (ozon (O3))
75 (Střední)
Jaká je současná úroveň PM2,5 v Hillingdon? (prach z částic (PM2,5))
Dnešní úroveň PM2.5 je:
5 (Dobré)
Pro srovnání, nejvyšší úroveň PM2,5 v Hillingdon v posledních 7 dnech byla: 9 (pondělí 5. února 2024) a nejnižší: 2 (sobota 3. února 2024).
Byly zaznamenány nejvyšší hodnoty PM2,5: 21 (duben 2019).
Nejnižší úroveň znečištění částicemi PM2,5 se vyskytuje v měsíci: srpen (4.9).
Jaká je úroveň PM10 dnes v Hillingdon? (prach z částic (PM10))
Současná úroveň částic PM10 v Hillingdon je:
12 (Dobré)
Nejvyšší hodnoty PM10 se obvykle vyskytují v měsíci: 29 (duben 2019).
Nejnižší hodnota znečištění PM10 částic částic v Hillingdon se obvykle zaznamenává v: prosinec (9.6).
Jak vysoká je hladina NO2? (oxid dusičitý (NO2))
10 (Dobré)
Aktuální data úterý 16. dubna 2024 1:00
O3 75 (Střední)
PM2,5 5 (Dobré)
PM10 12 (Dobré)
NO2 10 (Dobré)
Údaje o znečištění ovzduší z posledních dnů v Hillingdon
index
2024-01-31
2024-02-02
2024-02-03
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
22
Good
13
Good
8
Good
19
Good
12
Good
8
Good
23
Good
24
Good
27
Good
20
Good
14
Good
8
Good
3
Good
pm25
4
Good
4
Good
2
Good
9
Good
7
Good
7
Good
5
Good
4
Good
5
Good
5
Good
4
Good
3
Good
3
Good
o3
46
Good
63
Good
65
Good
53
Good
60
Good
64
Good
51
Good
39
Good
39
Good
43
Good
63
Good
76
Moderate
83
Moderate
pm10
8
Good
7
Good
4
Good
20
Moderate
16
Good
15
Good
15
Good
8
Good
11
Good
11
Good
8
Good
8
Good
8
Good
data source »
Znečištění ovzduší v Hillingdon z srpen 2015 květen 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
no2
18 (Good)
22 (Good)
26 (Good)
29 (Good)
41 (Moderate)
44 (Moderate)
42 (Moderate)
36 (Good)
31 (Good)
35 (Good)
28 (Good)
32 (Good)
31 (Good)
40 (Moderate)
45 (Moderate)
56 (Moderate)
47 (Moderate)
44 (Moderate)
45 (Moderate)
32 (Good)
34 (Good)
28 (Good)
33 (Good)
24 (Good)
34 (Good)
38 (Good)
40 (Good)
36 (Good)
40 (Good)
39 (Good)
41 (Moderate)
36 (Good)
37 (Good)
35 (Good)
29 (Good)
35 (Good)
39 (Good)
44 (Moderate)
52 (Moderate)
51 (Moderate)
67 (Moderate)
65 (Moderate)
53 (Moderate)
38 (Good)
41 (Moderate)
31 (Good)
32 (Good)
34 (Good)
35 (Good)
39 (Good)
40 (Good)
33 (Good)
41 (Moderate)
43 (Moderate)
43 (Moderate)
51 (Moderate)
34 (Good)
33 (Good)
pm25
8.6 (Good)
14 (Moderate)
8.7 (Good)
6.5 (Good)
9.4 (Good)
8.4 (Good)
9.6 (Good)
7.5 (Good)
5.3 (Good)
6.9 (Good)
6 (Good)
6.6 (Good)
8.2 (Good)
21 (Moderate)
8.9 (Good)
15 (Moderate)
11 (Good)
7.5 (Good)
13 (Good)
7.8 (Good)
5.2 (Good)
4.9 (Good)
8.6 (Good)
8.5 (Good)
14 (Moderate)
12 (Good)
13 (Good)
9.9 (Good)
8.7 (Good)
6.7 (Good)
9.8 (Good)
7.8 (Good)
7.9 (Good)
7.3 (Good)
6 (Good)
7.9 (Good)
9.8 (Good)
11 (Good)
10 (Good)
13 (Moderate)
20 (Moderate)
20 (Moderate)
8.5 (Good)
9.6 (Good)
11 (Good)
- (Good)
15 (Moderate)
14 (Moderate)
16 (Moderate)
13 (Moderate)
19 (Moderate)
13 (Moderate)
9.5 (Good)
13 (Good)
14 (Moderate)
17 (Moderate)
12 (Good)
17 (Moderate)
pm10
14 (Good)
23 (Moderate)
14 (Good)
11 (Good)
14 (Good)
12 (Good)
14 (Good)
12 (Good)
12 (Good)
13 (Good)
13 (Good)
11 (Good)
14 (Good)
29 (Moderate)
14 (Good)
22 (Moderate)
16 (Good)
11 (Good)
18 (Good)
13 (Good)
11 (Good)
11 (Good)
18 (Good)
16 (Good)
21 (Moderate)
17 (Good)
18 (Good)
15 (Good)
13 (Good)
9.6 (Good)
15 (Good)
13 (Good)
12 (Good)
13 (Good)
12 (Good)
15 (Good)
16 (Good)
19 (Good)
15 (Good)
17 (Good)
25 (Moderate)
25 (Moderate)
13 (Good)
14 (Good)
16 (Good)
- (Good)
17 (Good)
17 (Good)
21 (Moderate)
16 (Good)
23 (Moderate)
15 (Good)
11 (Good)
17 (Good)
16 (Good)
19 (Good)
14 (Good)
- (Good)
o3
64 (Good)
57 (Good)
52 (Good)
47 (Good)
30 (Good)
26 (Good)
18 (Good)
25 (Good)
30 (Good)
37 (Good)
39 (Good)
40 (Good)
44 (Good)
49 (Good)
47 (Good)
22 (Good)
28 (Good)
25 (Good)
18 (Good)
27 (Good)
30 (Good)
30 (Good)
50 (Good)
48 (Good)
53 (Good)
43 (Good)
38 (Good)
34 (Good)
32 (Good)
29 (Good)
23 (Good)
20 (Good)
17 (Good)
22 (Good)
42 (Good)
45 (Good)
37 (Good)
43 (Good)
40 (Good)
29 (Good)
16 (Good)
12 (Good)
22 (Good)
17 (Good)
21 (Good)
36 (Good)
30 (Good)
34 (Good)
47 (Good)
42 (Good)
39 (Good)
36 (Good)
32 (Good)
31 (Good)
26 (Good)
17 (Good)
28 (Good)
28 (Good)
data source »
London Harlington
středa 7. února 2024 8:00
O3 67 (Dobré)
ozon (O3)
PM2,5 7 (Dobré)
prach z částic (PM2,5)
PM10 15 (Dobré)
prach z částic (PM10)
NO2 18 (Dobré)
oxid dusičitý (NO2)
London Hillingdon
úterý 16. dubna 2024 1:00
PM2,5 3 (Dobré)
prach z částic (PM2,5)
O3 82 (Střední)
ozon (O3)
PM10 8 (Dobré)
prach z částic (PM10)
NO2 2 (Dobré)
oxid dusičitý (NO2)
London Harlington
index
2024-02-07
2024-02-06
2024-02-05
2024-02-03
2024-02-02
2024-01-31
no2
8.3
12
19
7.6
13
22
pm25
7.2
7.3
8.5
2
4.2
4
o3
64
60
53
65
63
46
pm10
15
16
20
4.5
7.2
7.5
London Hillingdon
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
pm10
8
7.8
7.9
11
11
8.2
15
o3
83
76
63
43
39
39
51
pm25
3
3.3
4.4
5
5.3
3.6
5
no2
2.5
8.2
14
20
27
24
23
London Harlington
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
o3
67
58
55
51
35
29
21
29
34
45
44
47
46
52
52
25
30
29
22
30
38
34
53
49
55
51
46
39
40
33
27
23
22
24
48
54
-
44
48
37
21
16
26
21
31
41
36
40
53
49
42
41
37
38
31
22
31
31
no2
11
19
22
23
32
38
35
28
24
24
20
23
26
35
29
53
45
37
33
27
25
17
22
17
27
23
22
24
22
25
27
20
20
17
21
23
30
36
36
38
60
58
45
31
24
19
20
25
22
22
28
9.2
25
24
27
31
22
17
pm25
8.6
14
8.7
6.5
9.4
8.4
9.6
7.5
5.3
6.9
6
6.6
8.2
21
8.9
15
11
7.5
13
7.8
5.2
4.9
8.6
8.5
14
12
13
9.9
8.7
6.7
9.8
7.8
7.9
7.3
6
7.9
9.8
11
10
13
20
20
8.5
9.6
11
-
15
14
16
13
19
13
9.5
13
14
17
12
17
pm10
14
23
14
11
14
12
14
12
12
13
13
11
14
29
14
22
16
11
18
13
11
11
18
16
21
17
18
15
13
9.6
15
13
12
13
12
15
16
19
15
17
25
25
13
14
16
-
17
17
21
16
23
15
11
17
16
19
14
-
London Hillingdon
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
61
56
48
43
25
23
15
21
26
29
34
33
42
45
43
18
26
22
14
25
23
26
48
47
51
35
30
30
24
24
18
17
13
20
35
36
37
41
31
22
12
7.7
18
14
12
30
25
28
42
35
35
31
26
24
20
12
24
24
no2
24
26
29
34
50
49
49
44
38
47
35
41
36
46
61
60
49
51
58
37
42
40
45
31
41
53
57
49
57
52
55
52
54
52
38
46
48
52
68
64
75
72
60
45
57
44
44
44
48
57
52
57
58
62
59
71
46
50
* Pollution data source:
https://openaq.org
(DEFRA)
The data is licensed under CC-By 4.0
O3 75 (Střední)
PM2,5 5 (Dobré)
PM10 12 (Dobré)
NO2 10 (Dobré)
Údaje o znečištění ovzduší z posledních dnů v Hillingdon
| index | 2024-01-31 | 2024-02-02 | 2024-02-03 | 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 | 22 Good |
13 Good |
8 Good |
19 Good |
12 Good |
8 Good |
23 Good |
24 Good |
27 Good |
20 Good |
14 Good |
8 Good |
3 Good |
| pm25 | 4 Good |
4 Good |
2 Good |
9 Good |
7 Good |
7 Good |
5 Good |
4 Good |
5 Good |
5 Good |
4 Good |
3 Good |
3 Good |
| o3 | 46 Good |
63 Good |
65 Good |
53 Good |
60 Good |
64 Good |
51 Good |
39 Good |
39 Good |
43 Good |
63 Good |
76 Moderate |
83 Moderate |
| pm10 | 8 Good |
7 Good |
4 Good |
20 Moderate |
16 Good |
15 Good |
15 Good |
8 Good |
11 Good |
11 Good |
8 Good |
8 Good |
8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 18 (Good) | 22 (Good) | 26 (Good) | 29 (Good) | 41 (Moderate) | 44 (Moderate) | 42 (Moderate) | 36 (Good) | 31 (Good) | 35 (Good) | 28 (Good) | 32 (Good) | 31 (Good) | 40 (Moderate) | 45 (Moderate) | 56 (Moderate) | 47 (Moderate) | 44 (Moderate) | 45 (Moderate) | 32 (Good) | 34 (Good) | 28 (Good) | 33 (Good) | 24 (Good) | 34 (Good) | 38 (Good) | 40 (Good) | 36 (Good) | 40 (Good) | 39 (Good) | 41 (Moderate) | 36 (Good) | 37 (Good) | 35 (Good) | 29 (Good) | 35 (Good) | 39 (Good) | 44 (Moderate) | 52 (Moderate) | 51 (Moderate) | 67 (Moderate) | 65 (Moderate) | 53 (Moderate) | 38 (Good) | 41 (Moderate) | 31 (Good) | 32 (Good) | 34 (Good) | 35 (Good) | 39 (Good) | 40 (Good) | 33 (Good) | 41 (Moderate) | 43 (Moderate) | 43 (Moderate) | 51 (Moderate) | 34 (Good) | 33 (Good) |
| pm25 | 8.6 (Good) | 14 (Moderate) | 8.7 (Good) | 6.5 (Good) | 9.4 (Good) | 8.4 (Good) | 9.6 (Good) | 7.5 (Good) | 5.3 (Good) | 6.9 (Good) | 6 (Good) | 6.6 (Good) | 8.2 (Good) | 21 (Moderate) | 8.9 (Good) | 15 (Moderate) | 11 (Good) | 7.5 (Good) | 13 (Good) | 7.8 (Good) | 5.2 (Good) | 4.9 (Good) | 8.6 (Good) | 8.5 (Good) | 14 (Moderate) | 12 (Good) | 13 (Good) | 9.9 (Good) | 8.7 (Good) | 6.7 (Good) | 9.8 (Good) | 7.8 (Good) | 7.9 (Good) | 7.3 (Good) | 6 (Good) | 7.9 (Good) | 9.8 (Good) | 11 (Good) | 10 (Good) | 13 (Moderate) | 20 (Moderate) | 20 (Moderate) | 8.5 (Good) | 9.6 (Good) | 11 (Good) | - (Good) | 15 (Moderate) | 14 (Moderate) | 16 (Moderate) | 13 (Moderate) | 19 (Moderate) | 13 (Moderate) | 9.5 (Good) | 13 (Good) | 14 (Moderate) | 17 (Moderate) | 12 (Good) | 17 (Moderate) |
| pm10 | 14 (Good) | 23 (Moderate) | 14 (Good) | 11 (Good) | 14 (Good) | 12 (Good) | 14 (Good) | 12 (Good) | 12 (Good) | 13 (Good) | 13 (Good) | 11 (Good) | 14 (Good) | 29 (Moderate) | 14 (Good) | 22 (Moderate) | 16 (Good) | 11 (Good) | 18 (Good) | 13 (Good) | 11 (Good) | 11 (Good) | 18 (Good) | 16 (Good) | 21 (Moderate) | 17 (Good) | 18 (Good) | 15 (Good) | 13 (Good) | 9.6 (Good) | 15 (Good) | 13 (Good) | 12 (Good) | 13 (Good) | 12 (Good) | 15 (Good) | 16 (Good) | 19 (Good) | 15 (Good) | 17 (Good) | 25 (Moderate) | 25 (Moderate) | 13 (Good) | 14 (Good) | 16 (Good) | - (Good) | 17 (Good) | 17 (Good) | 21 (Moderate) | 16 (Good) | 23 (Moderate) | 15 (Good) | 11 (Good) | 17 (Good) | 16 (Good) | 19 (Good) | 14 (Good) | - (Good) |
| o3 | 64 (Good) | 57 (Good) | 52 (Good) | 47 (Good) | 30 (Good) | 26 (Good) | 18 (Good) | 25 (Good) | 30 (Good) | 37 (Good) | 39 (Good) | 40 (Good) | 44 (Good) | 49 (Good) | 47 (Good) | 22 (Good) | 28 (Good) | 25 (Good) | 18 (Good) | 27 (Good) | 30 (Good) | 30 (Good) | 50 (Good) | 48 (Good) | 53 (Good) | 43 (Good) | 38 (Good) | 34 (Good) | 32 (Good) | 29 (Good) | 23 (Good) | 20 (Good) | 17 (Good) | 22 (Good) | 42 (Good) | 45 (Good) | 37 (Good) | 43 (Good) | 40 (Good) | 29 (Good) | 16 (Good) | 12 (Good) | 22 (Good) | 17 (Good) | 21 (Good) | 36 (Good) | 30 (Good) | 34 (Good) | 47 (Good) | 42 (Good) | 39 (Good) | 36 (Good) | 32 (Good) | 31 (Good) | 26 (Good) | 17 (Good) | 28 (Good) | 28 (Good) |
O3 67 (Dobré)
ozon (O3)PM2,5 7 (Dobré)
prach z částic (PM2,5)PM10 15 (Dobré)
prach z částic (PM10)NO2 18 (Dobré)
oxid dusičitý (NO2)PM2,5 3 (Dobré)
prach z částic (PM2,5)O3 82 (Střední)
ozon (O3)PM10 8 (Dobré)
prach z částic (PM10)NO2 2 (Dobré)
oxid dusičitý (NO2)London Harlington
| index | 2024-02-07 | 2024-02-06 | 2024-02-05 | 2024-02-03 | 2024-02-02 | 2024-01-31 |
|---|---|---|---|---|---|---|
| no2 | 8.3 | 12 | 19 | 7.6 | 13 | 22 |
| pm25 | 7.2 | 7.3 | 8.5 | 2 | 4.2 | 4 |
| o3 | 64 | 60 | 53 | 65 | 63 | 46 |
| pm10 | 15 | 16 | 20 | 4.5 | 7.2 | 7.5 |
London Hillingdon
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 |
|---|---|---|---|---|---|---|---|
| pm10 | 8 | 7.8 | 7.9 | 11 | 11 | 8.2 | 15 |
| o3 | 83 | 76 | 63 | 43 | 39 | 39 | 51 |
| pm25 | 3 | 3.3 | 4.4 | 5 | 5.3 | 3.6 | 5 |
| no2 | 2.5 | 8.2 | 14 | 20 | 27 | 24 | 23 |
London Harlington
| 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 | 67 | 58 | 55 | 51 | 35 | 29 | 21 | 29 | 34 | 45 | 44 | 47 | 46 | 52 | 52 | 25 | 30 | 29 | 22 | 30 | 38 | 34 | 53 | 49 | 55 | 51 | 46 | 39 | 40 | 33 | 27 | 23 | 22 | 24 | 48 | 54 | - | 44 | 48 | 37 | 21 | 16 | 26 | 21 | 31 | 41 | 36 | 40 | 53 | 49 | 42 | 41 | 37 | 38 | 31 | 22 | 31 | 31 |
| no2 | 11 | 19 | 22 | 23 | 32 | 38 | 35 | 28 | 24 | 24 | 20 | 23 | 26 | 35 | 29 | 53 | 45 | 37 | 33 | 27 | 25 | 17 | 22 | 17 | 27 | 23 | 22 | 24 | 22 | 25 | 27 | 20 | 20 | 17 | 21 | 23 | 30 | 36 | 36 | 38 | 60 | 58 | 45 | 31 | 24 | 19 | 20 | 25 | 22 | 22 | 28 | 9.2 | 25 | 24 | 27 | 31 | 22 | 17 |
| pm25 | 8.6 | 14 | 8.7 | 6.5 | 9.4 | 8.4 | 9.6 | 7.5 | 5.3 | 6.9 | 6 | 6.6 | 8.2 | 21 | 8.9 | 15 | 11 | 7.5 | 13 | 7.8 | 5.2 | 4.9 | 8.6 | 8.5 | 14 | 12 | 13 | 9.9 | 8.7 | 6.7 | 9.8 | 7.8 | 7.9 | 7.3 | 6 | 7.9 | 9.8 | 11 | 10 | 13 | 20 | 20 | 8.5 | 9.6 | 11 | - | 15 | 14 | 16 | 13 | 19 | 13 | 9.5 | 13 | 14 | 17 | 12 | 17 |
| pm10 | 14 | 23 | 14 | 11 | 14 | 12 | 14 | 12 | 12 | 13 | 13 | 11 | 14 | 29 | 14 | 22 | 16 | 11 | 18 | 13 | 11 | 11 | 18 | 16 | 21 | 17 | 18 | 15 | 13 | 9.6 | 15 | 13 | 12 | 13 | 12 | 15 | 16 | 19 | 15 | 17 | 25 | 25 | 13 | 14 | 16 | - | 17 | 17 | 21 | 16 | 23 | 15 | 11 | 17 | 16 | 19 | 14 | - |
London Hillingdon
| 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 | 61 | 56 | 48 | 43 | 25 | 23 | 15 | 21 | 26 | 29 | 34 | 33 | 42 | 45 | 43 | 18 | 26 | 22 | 14 | 25 | 23 | 26 | 48 | 47 | 51 | 35 | 30 | 30 | 24 | 24 | 18 | 17 | 13 | 20 | 35 | 36 | 37 | 41 | 31 | 22 | 12 | 7.7 | 18 | 14 | 12 | 30 | 25 | 28 | 42 | 35 | 35 | 31 | 26 | 24 | 20 | 12 | 24 | 24 |
| no2 | 24 | 26 | 29 | 34 | 50 | 49 | 49 | 44 | 38 | 47 | 35 | 41 | 36 | 46 | 61 | 60 | 49 | 51 | 58 | 37 | 42 | 40 | 45 | 31 | 41 | 53 | 57 | 49 | 57 | 52 | 55 | 52 | 54 | 52 | 38 | 46 | 48 | 52 | 68 | 64 | 75 | 72 | 60 | 45 | 57 | 44 | 44 | 44 | 48 | 57 | 52 | 57 | 58 | 62 | 59 | 71 | 46 | 50 |