Air Pollution in Belfast: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Belfast. Today is Monday, May 6, 2024. The following air pollution values have been recorded for Belfast:- particulate matter (PM2.5) dust - 5 (Good)
- sulfur dioxide (SO2) - 1 (Good)
- particulate matter (PM10) suspended dust - 12 (Good)
- nitrogen dioxide (NO2) - 4 (Good)
- ozone (O3) - 73 (Moderate)
What is the air quality in Belfast today? Is the air polluted in Belfast?. Is there smog?
What is the current level of PM2.5 in Belfast? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
5 (Good)
For comparison, the highest level of PM2.5 in Belfast in the last 7 days was: 5 (Thursday, April 11, 2024) and the lowest: 4 (Wednesday, April 10, 2024).
The highest PM2.5 values were recorded: 21 (April 2019).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (6.4).
What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)
What is the level of PM10 today in Belfast? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Belfast is:
12 (Good)
The highest PM10 values usually occur in month: 29 (November 2016).
The lowest value of particulate matter PM10 pollution in Belfast is usually recorded in: February (1.6).
How high is the level of NO2? (nitrogen dioxide (NO2))
4 (Good)
How is the O3 level today in Belfast? (ozone (O3))
73 (Moderate)
Current data Tuesday, April 16, 2024, 12:00 AM
PM2,5 5 (Good)
SO2 1 (Good)
PM10 12 (Good)
NO2 4 (Good)
O3 73 (Moderate)
Data on air pollution from recent days in Belfast
index
2024-04-10
2024-04-11
2024-04-12
2024-04-13
2024-04-14
2024-04-15
2024-04-16
pm10
10
Good
11
Good
9
Good
9
Good
12
Good
9
Good
12
Good
so2
1
Good
0
Good
0
Good
1
Good
1
Good
1
Good
1
Good
o3
34
Good
43
Good
40
Good
56
Good
57
Good
71
Moderate
73
Moderate
pm25
4
Good
5
Good
4
Good
5
Good
5
Good
4
Good
5
Good
no2
11
Good
25
Good
21
Good
14
Good
16
Good
20
Good
4
Good
data source »
Air pollution in Belfast from February 2016 to May 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
o3
64 (Good)
66 (Good)
44 (Good)
29 (Good)
30 (Good)
27 (Good)
23 (Good)
30 (Good)
32 (Good)
40 (Good)
38 (Good)
47 (Good)
56 (Good)
66 (Good)
56 (Good)
45 (Good)
30 (Good)
29 (Good)
33 (Good)
40 (Good)
38 (Good)
30 (Good)
41 (Good)
47 (Good)
55 (Good)
55 (Good)
46 (Good)
44 (Good)
40 (Good)
37 (Good)
35 (Good)
40 (Good)
39 (Good)
34 (Good)
38 (Good)
44 (Good)
56 (Good)
63 (Good)
46 (Good)
47 (Good)
38 (Good)
29 (Good)
26 (Good)
33 (Good)
35 (Good)
39 (Good)
36 (Good)
47 (Good)
61 (Good)
56 (Good)
49 (Good)
35 (Good)
no2
19 (Good)
19 (Good)
30 (Good)
41 (Moderate)
43 (Moderate)
46 (Moderate)
46 (Moderate)
39 (Good)
31 (Good)
28 (Good)
25 (Good)
32 (Good)
33 (Good)
33 (Good)
40 (Moderate)
40 (Moderate)
46 (Moderate)
46 (Moderate)
40 (Moderate)
40 (Moderate)
36 (Good)
32 (Good)
31 (Good)
38 (Good)
37 (Good)
33 (Good)
39 (Good)
42 (Moderate)
41 (Moderate)
42 (Moderate)
47 (Moderate)
39 (Good)
38 (Good)
32 (Good)
29 (Good)
33 (Good)
33 (Good)
34 (Good)
41 (Moderate)
43 (Moderate)
49 (Moderate)
52 (Moderate)
62 (Moderate)
41 (Moderate)
36 (Good)
32 (Good)
31 (Good)
36 (Good)
33 (Good)
34 (Good)
38 (Good)
70 (Moderate)
so2
4.2 (Good)
3.4 (Good)
2.4 (Good)
2.2 (Good)
3.5 (Good)
3 (Good)
2.9 (Good)
4.1 (Good)
7.2 (Good)
7 (Good)
7.5 (Good)
7.8 (Good)
11 (Good)
11 (Good)
6.8 (Good)
5.3 (Good)
14 (Good)
8.5 (Good)
15 (Good)
7.1 (Good)
5.7 (Good)
4 (Good)
8.8 (Good)
7.4 (Good)
4.7 (Good)
4 (Good)
3.2 (Good)
4.2 (Good)
3 (Good)
6.9 (Good)
9.7 (Good)
9.7 (Good)
9.4 (Good)
16 (Good)
5.4 (Good)
12 (Good)
14 (Good)
13 (Good)
8.5 (Good)
9.1 (Good)
6.6 (Good)
5.8 (Good)
9.4 (Good)
12 (Good)
7.5 (Good)
11 (Good)
15 (Good)
10 (Good)
6.7 (Good)
5.3 (Good)
4.5 (Good)
19 (Good)
pm25
6.4 (Good)
8.8 (Good)
7.1 (Good)
7.3 (Good)
8.6 (Good)
9.5 (Good)
11 (Good)
6.7 (Good)
8.2 (Good)
9.3 (Good)
12 (Good)
10 (Good)
12 (Good)
21 (Moderate)
9.8 (Good)
16 (Moderate)
13 (Good)
14 (Moderate)
12 (Good)
11 (Good)
10 (Good)
15 (Moderate)
12 (Good)
17 (Moderate)
15 (Moderate)
14 (Moderate)
13 (Moderate)
11 (Good)
12 (Good)
10 (Good)
8.7 (Good)
7.8 (Good)
9.2 (Good)
9.8 (Good)
10 (Good)
9 (Good)
13 (Moderate)
8.9 (Good)
11 (Good)
10 (Good)
14 (Moderate)
14 (Moderate)
20 (Moderate)
13 (Good)
9.8 (Good)
12 (Good)
9.6 (Good)
14 (Moderate)
11 (Good)
7.5 (Good)
8.5 (Good)
- (Good)
pm10
14 (Good)
19 (Good)
17 (Good)
15 (Good)
15 (Good)
16 (Good)
20 (Good)
15 (Good)
15 (Good)
14 (Good)
13 (Good)
13 (Good)
13 (Good)
26 (Moderate)
17 (Good)
24 (Moderate)
15 (Good)
15 (Good)
14 (Good)
12 (Good)
11 (Good)
14 (Good)
18 (Good)
20 (Moderate)
18 (Good)
17 (Good)
19 (Good)
19 (Good)
14 (Good)
14 (Good)
16 (Good)
17 (Good)
17 (Good)
15 (Good)
13 (Good)
14 (Good)
21 (Moderate)
23 (Moderate)
23 (Moderate)
19 (Good)
23 (Moderate)
24 (Moderate)
29 (Moderate)
29 (Moderate)
19 (Good)
18 (Good)
16 (Good)
22 (Moderate)
20 (Moderate)
17 (Good)
16 (Good)
1.6 (Good)
data source »
Quality of life in Belfast
Green and Parks in the City
Belfast
72%
Isle of Man: 78%
Ireland: 72%
Netherlands: 82%
Belgium: 64%
Faroe Islands: 87%
particulate matter PM2.5
Belfast
10 (Good)
Pleasure of spending time in the city
Belfast
85%
Isle of Man: 83%
Ireland: 78%
Netherlands: 88%
Belgium: 64%
Faroe Islands: 100%
particulate matter PM10
Belfast
19 (Good)
Air Pollution
Belfast
23%
Isle of Man: 13%
Ireland: 24%
Netherlands: 21%
Belgium: 45%
Faroe Islands: 0%
Garbage Disposal
Belfast
74%
Isle of Man: 78%
Ireland: 61%
Netherlands: 79%
Belgium: 54%
Faroe Islands: 88%
Availability and quality of drinking water
Belfast
86%
Isle of Man: 88%
Ireland: 72%
Netherlands: 92%
Belgium: 70%
Faroe Islands: 98%
Cleanliness and tidiness
Belfast
67%
Isle of Man: 69%
Ireland: 52%
Netherlands: 77%
Belgium: 46%
Faroe Islands: 94%
Noise and Light pollution
Belfast
34%
Isle of Man: 12%
Ireland: 37%
Netherlands: 31%
Belgium: 54%
Faroe Islands: 21%
Water Pollution
Belfast
21%
Isle of Man: 13%
Ireland: 37%
Netherlands: 17%
Belgium: 42%
Faroe Islands: 7.7%
Source: Numbeo
Belfast Centre
Tuesday, April 16, 2024, 12:00 AM
PM2,5 5 (Good)
particulate matter (PM2.5) dust
SO2 1 (Good)
sulfur dioxide (SO2)
PM10 10 (Good)
particulate matter (PM10) suspended dust
NO2 3 (Good)
nitrogen dioxide (NO2)
O3 73 (Moderate)
ozone (O3)
Belfast Stockman's Lane
Tuesday, April 16, 2024, 12:00 AM
PM10 14 (Good)
particulate matter (PM10) suspended dust
NO2 5 (Good)
nitrogen dioxide (NO2)
Belfast Centre
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
pm10
10
7.4
9.9
7.8
7.9
9.1
7.5
so2
1
1
0.65
0.74
0.48
0.43
1
o3
73
71
57
56
40
43
34
pm25
5
4.1
5
4.6
4.3
5
4
no2
3
9.1
14
11
17
17
13
Belfast Stockman's Lane
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
pm10
14
11
14
11
11
13
13
no2
5
32
19
16
26
33
9.5
Belfast Centre
2016-02 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
o3
64
66
44
29
30
27
23
30
32
40
38
47
56
66
56
45
30
29
33
40
38
30
41
47
55
55
46
44
40
37
35
40
39
34
38
44
56
63
46
47
38
29
26
33
35
39
36
47
61
56
49
35
no2
14
16
27
46
47
45
40
28
18
16
15
22
22
28
23
29
39
35
32
25
20
22
20
30
27
27
33
32
32
33
32
25
22
15
16
18
24
19
31
31
36
42
49
31
21
18
18
28
26
27
27
62
so2
4.2
3.4
2.4
2.2
3.5
3
2.9
4.1
7.2
7
7.5
7.8
11
11
6.8
5.3
14
8.5
15
7.1
5.7
4
8.8
7.4
4.7
4
3.2
4.2
3
6.9
9.7
9.7
9.4
16
5.4
12
14
13
8.5
9.1
6.6
5.8
9.4
12
7.5
11
15
10
6.7
5.3
4.5
19
pm25
6.4
8.8
7.1
7.3
8.6
9.5
11
6.7
8.2
9.3
12
10
12
21
9.8
16
13
14
12
11
10
15
12
17
15
14
13
11
12
10
8.7
7.8
9.2
9.8
10
9
13
8.9
11
10
14
14
20
13
9.8
12
9.6
14
11
7.5
8.5
-
pm10
12
16
13
14
14
14
20
13
13
12
9.5
11
12
26
13
21
14
15
15
14
13
17
23
23
18
18
19
18
14
12
12
13
13
11
11
11
18
23
21
16
20
22
27
32
16
16
15
22
19
16
8.5
-
Belfast Stockman's Lane
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
no2
23
22
33
37
39
47
52
50
44
40
35
43
44
38
57
51
54
56
48
55
52
42
42
46
48
40
44
52
49
52
62
53
55
50
42
48
42
48
51
55
63
63
75
51
52
46
44
45
40
42
49
77
pm10
16
22
21
16
16
17
20
18
16
15
16
15
14
27
20
26
15
14
13
9.9
8.7
12
14
18
17
15
19
19
15
15
20
22
22
19
16
18
24
24
25
21
26
26
31
25
22
20
17
23
21
18
23
1.6
* Pollution data source:
https://openaq.org
(DEFRA)
The data is licensed under CC-By 4.0
PM2,5 5 (Good)
SO2 1 (Good)
PM10 12 (Good)
NO2 4 (Good)
O3 73 (Moderate)
Data on air pollution from recent days in Belfast
| index | 2024-04-10 | 2024-04-11 | 2024-04-12 | 2024-04-13 | 2024-04-14 | 2024-04-15 | 2024-04-16 |
|---|---|---|---|---|---|---|---|
| pm10 | 10 Good |
11 Good |
9 Good |
9 Good |
12 Good |
9 Good |
12 Good |
| so2 | 1 Good |
0 Good |
0 Good |
1 Good |
1 Good |
1 Good |
1 Good |
| o3 | 34 Good |
43 Good |
40 Good |
56 Good |
57 Good |
71 Moderate |
73 Moderate |
| pm25 | 4 Good |
5 Good |
4 Good |
5 Good |
5 Good |
4 Good |
5 Good |
| no2 | 11 Good |
25 Good |
21 Good |
14 Good |
16 Good |
20 Good |
4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 64 (Good) | 66 (Good) | 44 (Good) | 29 (Good) | 30 (Good) | 27 (Good) | 23 (Good) | 30 (Good) | 32 (Good) | 40 (Good) | 38 (Good) | 47 (Good) | 56 (Good) | 66 (Good) | 56 (Good) | 45 (Good) | 30 (Good) | 29 (Good) | 33 (Good) | 40 (Good) | 38 (Good) | 30 (Good) | 41 (Good) | 47 (Good) | 55 (Good) | 55 (Good) | 46 (Good) | 44 (Good) | 40 (Good) | 37 (Good) | 35 (Good) | 40 (Good) | 39 (Good) | 34 (Good) | 38 (Good) | 44 (Good) | 56 (Good) | 63 (Good) | 46 (Good) | 47 (Good) | 38 (Good) | 29 (Good) | 26 (Good) | 33 (Good) | 35 (Good) | 39 (Good) | 36 (Good) | 47 (Good) | 61 (Good) | 56 (Good) | 49 (Good) | 35 (Good) |
| no2 | 19 (Good) | 19 (Good) | 30 (Good) | 41 (Moderate) | 43 (Moderate) | 46 (Moderate) | 46 (Moderate) | 39 (Good) | 31 (Good) | 28 (Good) | 25 (Good) | 32 (Good) | 33 (Good) | 33 (Good) | 40 (Moderate) | 40 (Moderate) | 46 (Moderate) | 46 (Moderate) | 40 (Moderate) | 40 (Moderate) | 36 (Good) | 32 (Good) | 31 (Good) | 38 (Good) | 37 (Good) | 33 (Good) | 39 (Good) | 42 (Moderate) | 41 (Moderate) | 42 (Moderate) | 47 (Moderate) | 39 (Good) | 38 (Good) | 32 (Good) | 29 (Good) | 33 (Good) | 33 (Good) | 34 (Good) | 41 (Moderate) | 43 (Moderate) | 49 (Moderate) | 52 (Moderate) | 62 (Moderate) | 41 (Moderate) | 36 (Good) | 32 (Good) | 31 (Good) | 36 (Good) | 33 (Good) | 34 (Good) | 38 (Good) | 70 (Moderate) |
| so2 | 4.2 (Good) | 3.4 (Good) | 2.4 (Good) | 2.2 (Good) | 3.5 (Good) | 3 (Good) | 2.9 (Good) | 4.1 (Good) | 7.2 (Good) | 7 (Good) | 7.5 (Good) | 7.8 (Good) | 11 (Good) | 11 (Good) | 6.8 (Good) | 5.3 (Good) | 14 (Good) | 8.5 (Good) | 15 (Good) | 7.1 (Good) | 5.7 (Good) | 4 (Good) | 8.8 (Good) | 7.4 (Good) | 4.7 (Good) | 4 (Good) | 3.2 (Good) | 4.2 (Good) | 3 (Good) | 6.9 (Good) | 9.7 (Good) | 9.7 (Good) | 9.4 (Good) | 16 (Good) | 5.4 (Good) | 12 (Good) | 14 (Good) | 13 (Good) | 8.5 (Good) | 9.1 (Good) | 6.6 (Good) | 5.8 (Good) | 9.4 (Good) | 12 (Good) | 7.5 (Good) | 11 (Good) | 15 (Good) | 10 (Good) | 6.7 (Good) | 5.3 (Good) | 4.5 (Good) | 19 (Good) |
| pm25 | 6.4 (Good) | 8.8 (Good) | 7.1 (Good) | 7.3 (Good) | 8.6 (Good) | 9.5 (Good) | 11 (Good) | 6.7 (Good) | 8.2 (Good) | 9.3 (Good) | 12 (Good) | 10 (Good) | 12 (Good) | 21 (Moderate) | 9.8 (Good) | 16 (Moderate) | 13 (Good) | 14 (Moderate) | 12 (Good) | 11 (Good) | 10 (Good) | 15 (Moderate) | 12 (Good) | 17 (Moderate) | 15 (Moderate) | 14 (Moderate) | 13 (Moderate) | 11 (Good) | 12 (Good) | 10 (Good) | 8.7 (Good) | 7.8 (Good) | 9.2 (Good) | 9.8 (Good) | 10 (Good) | 9 (Good) | 13 (Moderate) | 8.9 (Good) | 11 (Good) | 10 (Good) | 14 (Moderate) | 14 (Moderate) | 20 (Moderate) | 13 (Good) | 9.8 (Good) | 12 (Good) | 9.6 (Good) | 14 (Moderate) | 11 (Good) | 7.5 (Good) | 8.5 (Good) | - (Good) |
| pm10 | 14 (Good) | 19 (Good) | 17 (Good) | 15 (Good) | 15 (Good) | 16 (Good) | 20 (Good) | 15 (Good) | 15 (Good) | 14 (Good) | 13 (Good) | 13 (Good) | 13 (Good) | 26 (Moderate) | 17 (Good) | 24 (Moderate) | 15 (Good) | 15 (Good) | 14 (Good) | 12 (Good) | 11 (Good) | 14 (Good) | 18 (Good) | 20 (Moderate) | 18 (Good) | 17 (Good) | 19 (Good) | 19 (Good) | 14 (Good) | 14 (Good) | 16 (Good) | 17 (Good) | 17 (Good) | 15 (Good) | 13 (Good) | 14 (Good) | 21 (Moderate) | 23 (Moderate) | 23 (Moderate) | 19 (Good) | 23 (Moderate) | 24 (Moderate) | 29 (Moderate) | 29 (Moderate) | 19 (Good) | 18 (Good) | 16 (Good) | 22 (Moderate) | 20 (Moderate) | 17 (Good) | 16 (Good) | 1.6 (Good) |
Green and Parks in the City
Belfast 72%
Isle of Man: 78% Ireland: 72% Netherlands: 82% Belgium: 64% Faroe Islands: 87%particulate matter PM2.5
Belfast 10 (Good)
Pleasure of spending time in the city
Belfast 85%
Isle of Man: 83% Ireland: 78% Netherlands: 88% Belgium: 64% Faroe Islands: 100%particulate matter PM10
Belfast 19 (Good)
Air Pollution
Belfast 23%
Isle of Man: 13% Ireland: 24% Netherlands: 21% Belgium: 45% Faroe Islands: 0%Garbage Disposal
Belfast 74%
Isle of Man: 78% Ireland: 61% Netherlands: 79% Belgium: 54% Faroe Islands: 88%Availability and quality of drinking water
Belfast 86%
Isle of Man: 88% Ireland: 72% Netherlands: 92% Belgium: 70% Faroe Islands: 98%Cleanliness and tidiness
Belfast 67%
Isle of Man: 69% Ireland: 52% Netherlands: 77% Belgium: 46% Faroe Islands: 94%Noise and Light pollution
Belfast 34%
Isle of Man: 12% Ireland: 37% Netherlands: 31% Belgium: 54% Faroe Islands: 21%Water Pollution
Belfast 21%
Isle of Man: 13% Ireland: 37% Netherlands: 17% Belgium: 42% Faroe Islands: 7.7%PM2,5 5 (Good)
particulate matter (PM2.5) dustSO2 1 (Good)
sulfur dioxide (SO2)PM10 10 (Good)
particulate matter (PM10) suspended dustNO2 3 (Good)
nitrogen dioxide (NO2)O3 73 (Moderate)
ozone (O3)PM10 14 (Good)
particulate matter (PM10) suspended dustNO2 5 (Good)
nitrogen dioxide (NO2)Belfast Centre
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 |
|---|---|---|---|---|---|---|---|
| pm10 | 10 | 7.4 | 9.9 | 7.8 | 7.9 | 9.1 | 7.5 |
| so2 | 1 | 1 | 0.65 | 0.74 | 0.48 | 0.43 | 1 |
| o3 | 73 | 71 | 57 | 56 | 40 | 43 | 34 |
| pm25 | 5 | 4.1 | 5 | 4.6 | 4.3 | 5 | 4 |
| no2 | 3 | 9.1 | 14 | 11 | 17 | 17 | 13 |
Belfast Stockman's Lane
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 |
|---|---|---|---|---|---|---|---|
| pm10 | 14 | 11 | 14 | 11 | 11 | 13 | 13 |
| no2 | 5 | 32 | 19 | 16 | 26 | 33 | 9.5 |
Belfast Centre
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 64 | 66 | 44 | 29 | 30 | 27 | 23 | 30 | 32 | 40 | 38 | 47 | 56 | 66 | 56 | 45 | 30 | 29 | 33 | 40 | 38 | 30 | 41 | 47 | 55 | 55 | 46 | 44 | 40 | 37 | 35 | 40 | 39 | 34 | 38 | 44 | 56 | 63 | 46 | 47 | 38 | 29 | 26 | 33 | 35 | 39 | 36 | 47 | 61 | 56 | 49 | 35 |
| no2 | 14 | 16 | 27 | 46 | 47 | 45 | 40 | 28 | 18 | 16 | 15 | 22 | 22 | 28 | 23 | 29 | 39 | 35 | 32 | 25 | 20 | 22 | 20 | 30 | 27 | 27 | 33 | 32 | 32 | 33 | 32 | 25 | 22 | 15 | 16 | 18 | 24 | 19 | 31 | 31 | 36 | 42 | 49 | 31 | 21 | 18 | 18 | 28 | 26 | 27 | 27 | 62 |
| so2 | 4.2 | 3.4 | 2.4 | 2.2 | 3.5 | 3 | 2.9 | 4.1 | 7.2 | 7 | 7.5 | 7.8 | 11 | 11 | 6.8 | 5.3 | 14 | 8.5 | 15 | 7.1 | 5.7 | 4 | 8.8 | 7.4 | 4.7 | 4 | 3.2 | 4.2 | 3 | 6.9 | 9.7 | 9.7 | 9.4 | 16 | 5.4 | 12 | 14 | 13 | 8.5 | 9.1 | 6.6 | 5.8 | 9.4 | 12 | 7.5 | 11 | 15 | 10 | 6.7 | 5.3 | 4.5 | 19 |
| pm25 | 6.4 | 8.8 | 7.1 | 7.3 | 8.6 | 9.5 | 11 | 6.7 | 8.2 | 9.3 | 12 | 10 | 12 | 21 | 9.8 | 16 | 13 | 14 | 12 | 11 | 10 | 15 | 12 | 17 | 15 | 14 | 13 | 11 | 12 | 10 | 8.7 | 7.8 | 9.2 | 9.8 | 10 | 9 | 13 | 8.9 | 11 | 10 | 14 | 14 | 20 | 13 | 9.8 | 12 | 9.6 | 14 | 11 | 7.5 | 8.5 | - |
| pm10 | 12 | 16 | 13 | 14 | 14 | 14 | 20 | 13 | 13 | 12 | 9.5 | 11 | 12 | 26 | 13 | 21 | 14 | 15 | 15 | 14 | 13 | 17 | 23 | 23 | 18 | 18 | 19 | 18 | 14 | 12 | 12 | 13 | 13 | 11 | 11 | 11 | 18 | 23 | 21 | 16 | 20 | 22 | 27 | 32 | 16 | 16 | 15 | 22 | 19 | 16 | 8.5 | - |
Belfast Stockman's Lane
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 23 | 22 | 33 | 37 | 39 | 47 | 52 | 50 | 44 | 40 | 35 | 43 | 44 | 38 | 57 | 51 | 54 | 56 | 48 | 55 | 52 | 42 | 42 | 46 | 48 | 40 | 44 | 52 | 49 | 52 | 62 | 53 | 55 | 50 | 42 | 48 | 42 | 48 | 51 | 55 | 63 | 63 | 75 | 51 | 52 | 46 | 44 | 45 | 40 | 42 | 49 | 77 |
| pm10 | 16 | 22 | 21 | 16 | 16 | 17 | 20 | 18 | 16 | 15 | 16 | 15 | 14 | 27 | 20 | 26 | 15 | 14 | 13 | 9.9 | 8.7 | 12 | 14 | 18 | 17 | 15 | 19 | 19 | 15 | 15 | 20 | 22 | 22 | 19 | 16 | 18 | 24 | 24 | 25 | 21 | 26 | 26 | 31 | 25 | 22 | 20 | 17 | 23 | 21 | 18 | 23 | 1.6 |