空气污染在 Hillingdon ：实时空气质量指数和烟雾警报。
城市污染和空气质量 Hillingdon 。 今天是 2025年5月2日星期五 。 已记录下列空气污染值 Hillingdon ：- 臭氧 （O3） - 75 (温和)
- 尘埃 - 5 (好)
- 颗粒物(PM10)悬浮尘埃 - 12 (好)
- 二氧化氮（NO2） - 10 (好)
今天，美国 Hillingdon 。 空气中的空气是否 Hillingdon ？有烟雾吗？
今天（ 2024年4月16日星期二 ）空气质量在 Hillingdon 。
一些污染物 Hillingdon 对少数过敏个体的影响很小。空气中的污染物 Hillingdon 敏感的人造成轻微的呼吸不适。
今天 O3 级别在 Hillingdon ？ (臭氧 （O3）)
75 (温和)
目前 PM2.5 的当前 Hillingdon ？ (尘埃)
今天的 PM2.5 级别是：
5 (好)
相比之下，过去 7 天内 PM2.5 Hillingdon 的最高水平是： 9 (2024年2月5日星期一) 和最低： 2 (2024年2月3日星期六) 。
记录的最高 PM2.5 值： 21 (2019年4月) 。
颗粒物PM2.5污染的最低水平发生在月份： 八月 (4.9) 。
今天下午的 PM10 Hillingdon ？ (颗粒物(PM10)悬浮尘埃)
目前颗粒物PM10的 Hillingdon ：
12 (好)
最高 PM10 值通常以月份为 29 (2019年4月) 。
颗粒物PM10污染的最低值 Hillingdon 记录为： 十二月 (9.6) 。
NO2 水平有多高？ (二氧化氮（NO2）)
10 (好)
当前数据 2024年4月16日星期二 上午1:00
O3 75 (温和)
PM2,5 5 (好)
PM10 12 (好)
NO2 10 (好)
最近几天的空气污染数据 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 »
空气污染在 Hillingdon 从 2015年8月 2020年5月
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
2024年2月7日星期三 上午8:00
O3 67 (好)
臭氧 （O3）
PM2,5 7 (好)
尘埃
PM10 15 (好)
颗粒物(PM10)悬浮尘埃
NO2 18 (好)
二氧化氮（NO2）
London Hillingdon
2024年4月16日星期二 上午1:00
PM2,5 3 (好)
尘埃
O3 82 (温和)
臭氧 （O3）
PM10 8 (好)
颗粒物(PM10)悬浮尘埃
NO2 2 (好)
二氧化氮（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 (温和)
PM2,5 5 (好)
PM10 12 (好)
NO2 10 (好)
最近几天的空气污染数据 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 (好)
臭氧 （O3）PM2,5 7 (好)
尘埃PM10 15 (好)
颗粒物(PM10)悬浮尘埃NO2 18 (好)
二氧化氮（NO2）PM2,5 3 (好)
尘埃O3 82 (温和)
臭氧 （O3）PM10 8 (好)
颗粒物(PM10)悬浮尘埃NO2 2 (好)
二氧化氮（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 |