Air Pollution in Liège: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Liège. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Liège:- particulate matter (PM10) suspended dust - 40 (Moderate)
- particulate matter (PM2.5) dust - 25 (Moderate)
- nitrogen dioxide (NO2) - 59 (Moderate)
- carbon monoxide (CO) - 475 (Good)
- sulfur dioxide (SO2) - 1 (Good)
- ozone (O3) - 8 (Good)
What is the air quality in Liège today? Is the air polluted in Liège?. Is there smog?
What is the level of PM10 today in Liège? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Liège is:
40 (Moderate)
The highest PM10 values usually occur in month: 26 (February 2019).
The lowest value of particulate matter PM10 pollution in Liège is usually recorded in: July (4).
What is the current level of PM2.5 in Liège? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
25 (Moderate)
For comparison, the highest level of PM2.5 in Liège in the last 7 days was: 41 (Thursday, January 11, 2024) and the lowest: 9 (Tuesday, January 16, 2024).
The highest PM2.5 values were recorded: 17 (February 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: July (0.94).
How high is the level of NO2? (nitrogen dioxide (NO2))
59 (Moderate)
How high is the CO level? (carbon monoxide (CO))
475 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)
How is the O3 level today in Liège? (ozone (O3))
8 (Good)
Current data Wednesday, January 17, 2024, 10:00 AM
PM10 40 (Moderate)
PM2,5 25 (Moderate)
NO2 59 (Moderate)
CO 475 (Good)
SO2 1 (Good)
O3 8 (Good)
Data on air pollution from recent days in Liège
index
2024-01-10
2024-01-11
2024-01-12
2024-01-13
2024-01-14
2024-01-15
2024-01-16
2024-01-17
pm10
43
Moderate
56
Unhealthy for Sensitive Groups
36
Moderate
28
Moderate
12
Good
14
Good
14
Good
18
Good
pm25
26
Moderate
41
Unhealthy for Sensitive Groups
29
Moderate
23
Moderate
10
Good
10
Good
9
Good
13
Moderate
o3
4
Good
5
Good
11
Good
28
Good
37
Good
40
Good
42
Good
29
Good
so2
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
no2
42
Moderate
42
Moderate
40
Moderate
21
Good
7
Good
18
Good
19
Good
26
Good
co
562
Good
692
Good
420
Good
327
Good
239
Good
256
Good
249
Good
301
Good
data source »
Air pollution in Liège from September 2017 to May 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
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
pm10
16 (Good)
23 (Moderate)
14 (Good)
6.3 (Good)
16 (Good)
6.7 (Good)
6.6 (Good)
4.1 (Good)
6.5 (Good)
4 (Good)
10 (Good)
15 (Good)
20 (Moderate)
18 (Good)
26 (Moderate)
16 (Good)
10 (Good)
14 (Good)
18 (Good)
13 (Good)
11 (Good)
17 (Good)
17 (Good)
21 (Moderate)
16 (Good)
17 (Good)
24 (Moderate)
11 (Good)
11 (Good)
15 (Good)
13 (Good)
19 (Good)
pm25
9.6 (Good)
13 (Good)
11 (Good)
5.3 (Good)
13 (Good)
5.6 (Good)
4.7 (Good)
- (Good)
- (Good)
0.94 (Good)
4.5 (Good)
11 (Good)
14 (Moderate)
14 (Moderate)
15 (Moderate)
9.7 (Good)
7 (Good)
12 (Good)
11 (Good)
7.1 (Good)
3.9 (Good)
4.1 (Good)
9.3 (Good)
12 (Good)
9.5 (Good)
11 (Good)
17 (Moderate)
8.6 (Good)
8.6 (Good)
9.6 (Good)
7.7 (Good)
12 (Good)
no2
16 (Good)
18 (Good)
14 (Good)
7.4 (Good)
13 (Good)
9.7 (Good)
11 (Good)
2 (Good)
- (Good)
6.6 (Good)
16 (Good)
17 (Good)
22 (Good)
20 (Good)
39 (Good)
21 (Good)
13 (Good)
19 (Good)
21 (Good)
20 (Good)
19 (Good)
21 (Good)
19 (Good)
21 (Good)
22 (Good)
26 (Good)
32 (Good)
21 (Good)
20 (Good)
23 (Good)
17 (Good)
23 (Good)
so2
7 (Good)
4.3 (Good)
4.4 (Good)
1.4 (Good)
9.3 (Good)
6.2 (Good)
3.1 (Good)
2 (Good)
- (Good)
6.1 (Good)
12 (Good)
5.1 (Good)
6.5 (Good)
11 (Good)
9.1 (Good)
4.5 (Good)
4.6 (Good)
3.3 (Good)
5.5 (Good)
3.1 (Good)
4.4 (Good)
9.5 (Good)
12 (Good)
6.2 (Good)
4.6 (Good)
3.4 (Good)
4.6 (Good)
3.6 (Good)
1.3 (Good)
5.5 (Good)
3.3 (Good)
8.9 (Good)
co
0.23 (Good)
0.25 (Good)
0.24 (Good)
0.17 (Good)
0.26 (Good)
0.17 (Good)
0.15 (Good)
0.08 (Good)
- (Good)
0.06 (Good)
0.16 (Good)
0.18 (Good)
0.24 (Good)
0.25 (Good)
0.36 (Good)
0.23 (Good)
0.21 (Good)
0.32 (Good)
0.26 (Good)
0.22 (Good)
0.17 (Good)
0.14 (Good)
0.14 (Good)
0.19 (Good)
0.21 (Good)
0.27 (Good)
0.32 (Good)
0.26 (Good)
0.26 (Good)
6.3 (Good)
20 (Good)
26 (Good)
o3
51 (Good)
46 (Good)
47 (Good)
60 (Good)
36 (Good)
22 (Good)
11 (Good)
21 (Good)
- (Good)
26 (Good)
46 (Good)
41 (Good)
44 (Good)
44 (Good)
4.6 (Good)
38 (Good)
40 (Good)
29 (Good)
23 (Good)
32 (Good)
46 (Good)
54 (Good)
36 (Good)
40 (Good)
51 (Good)
48 (Good)
32 (Good)
44 (Good)
37 (Good)
25 (Good)
33 (Good)
24 (Good)
data source »
Quality of life in Liège
Green and Parks in the City
Liège
54%
Luxembourg: 83%
Netherlands: 82%
Germany: 78%
Switzerland: 76%
France: 61%
particulate matter PM2.5
Liège
11 (Good)
Pleasure of spending time in the city
Liège
57%
Luxembourg: 85%
Netherlands: 88%
Germany: 80%
Switzerland: 84%
France: 68%
particulate matter PM10
Liège
20 (Moderate)
Air Pollution
Liège
49%
Luxembourg: 19%
Netherlands: 21%
Germany: 25%
Switzerland: 20%
France: 36%
Garbage Disposal
Liège
56%
Luxembourg: 84%
Netherlands: 79%
Germany: 74%
Switzerland: 82%
France: 59%
Availability and quality of drinking water
Liège
73%
Luxembourg: 83%
Netherlands: 92%
Germany: 82%
Switzerland: 90%
France: 73%
Cleanliness and tidiness
Liège
31%
Luxembourg: 82%
Netherlands: 77%
Germany: 65%
Switzerland: 82%
France: 48%
Noise and Light pollution
Liège
54%
Luxembourg: 29%
Netherlands: 31%
Germany: 42%
Switzerland: 38%
France: 54%
Water Pollution
Liège
31%
Luxembourg: 19%
Netherlands: 17%
Germany: 23%
Switzerland: 19%
France: 39%
Source: Numbeo
43H201 - LIEGE
Wednesday, January 17, 2024, 10:00 AM
PM10 45 (Moderate)
particulate matter (PM10) suspended dust
PM2,5 29 (Moderate)
particulate matter (PM2.5) dust
43M204 - ANGLEUR
Wednesday, January 17, 2024, 10:00 AM
PM2,5 22 (Moderate)
particulate matter (PM2.5) dust
PM10 35 (Moderate)
particulate matter (PM10) suspended dust
43R222 - SERAING
Wednesday, January 17, 2024, 10:00 AM
NO2 59 (Moderate)
nitrogen dioxide (NO2)
CO 475 (Good)
carbon monoxide (CO)
PM10 39 (Moderate)
particulate matter (PM10) suspended dust
SO2 0.5 (Good)
sulfur dioxide (SO2)
O3 7.5 (Good)
ozone (O3)
PM2,5 25 (Moderate)
particulate matter (PM2.5) dust
43H201 - LIEGE
index
2024-01-17
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
pm10
16
13
15
12
31
34
54
42
pm25
12
7.7
9.8
10
24
28
40
24
43M204 - ANGLEUR
index
2024-01-17
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
pm25
15
9.7
8.4
9.2
21
30
42
28
pm10
19
15
13
11
24
37
55
42
43R222 - SERAING
index
2024-01-17
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
o3
29
42
40
37
28
11
5.3
4.4
pm25
13
8.5
10
10
23
30
41
26
so2
0
0
0
0
0
0
0.02
0
no2
26
19
18
6.7
21
40
42
42
pm10
18
15
16
12
29
38
59
45
co
301
249
256
239
327
420
692
562
BETH201
2017-09 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
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
pm25
12
13
11
6.2
13
4.9
4.1
-
-
1.3
4.8
10
15
15
14
10
7.7
12
10
8.6
4.1
4.3
10
15
9.6
10
16
9.8
8.5
10
7
13
pm10
19
26
15
6.5
16
5.5
5.7
5.4
8.2
4.8
11
15
20
19
26
16
8.6
13
16
15
11
18
19
25
17
15
23
11
12
14
12
17
BETM204
2017-09 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
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
pm25
7.8
12
11
4.4
11
5.3
4.5
-
-
-
4.5
12
13
13
13
8.6
6.6
13
11
6.4
4.2
4.1
8.7
10
9.7
11
17
7.8
7.5
8.7
7.1
11
pm10
13
20
14
5.7
15
7.1
6.6
1.4
4.8
2.3
9.1
15
19
16
24
15
9.4
14
20
12
12
17
17
18
16
17
23
11
10
14
13
19
BETR222
2017-09 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
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
pm25
9.4
14
12
5.2
14
6.5
5.4
-
0.58
4.1
11
15
15
16
10
6.6
11
11
6.2
3.2
4
9
11
9.2
12
17
8.3
9.8
10
9
13
pm10
16
24
14
6.8
16
7.6
7.5
5.6
4.7
11
16
22
18
29
18
13
14
19
12
10
15
17
20
16
19
26
11
12
16
16
21
co
0.23
0.25
0.24
0.17
0.26
0.17
0.15
0.08
0.06
0.16
0.18
0.24
0.25
0.36
0.23
0.21
0.32
0.26
0.22
0.17
0.14
0.14
0.19
0.21
0.27
0.32
0.26
0.26
6.3
20
26
so2
7
4.3
4.4
1.4
9.3
6.2
3.1
2
6.1
12
5.1
6.5
11
9.1
4.5
4.6
3.3
5.5
3.1
4.4
9.5
12
6.2
4.6
3.4
4.6
3.6
1.3
5.5
3.3
8.9
no2
16
18
14
7.4
13
9.7
11
2
6.6
16
17
22
20
39
21
13
19
21
20
19
21
19
21
22
26
32
21
20
23
17
23
o3
51
46
47
60
36
22
11
21
26
46
41
44
44
4.6
38
40
29
23
32
46
54
36
40
51
48
32
44
37
25
33
24
* Pollution data source:
https://openaq.org
(EEA Belgium)
The data is licensed under CC-By 4.0
PM10 40 (Moderate)
PM2,5 25 (Moderate)
NO2 59 (Moderate)
CO 475 (Good)
SO2 1 (Good)
O3 8 (Good)
Data on air pollution from recent days in Liège
| index | 2024-01-10 | 2024-01-11 | 2024-01-12 | 2024-01-13 | 2024-01-14 | 2024-01-15 | 2024-01-16 | 2024-01-17 |
|---|---|---|---|---|---|---|---|---|
| pm10 | 43 Moderate |
56 Unhealthy for Sensitive Groups |
36 Moderate |
28 Moderate |
12 Good |
14 Good |
14 Good |
18 Good |
| pm25 | 26 Moderate |
41 Unhealthy for Sensitive Groups |
29 Moderate |
23 Moderate |
10 Good |
10 Good |
9 Good |
13 Moderate |
| o3 | 4 Good |
5 Good |
11 Good |
28 Good |
37 Good |
40 Good |
42 Good |
29 Good |
| so2 | 0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
| no2 | 42 Moderate |
42 Moderate |
40 Moderate |
21 Good |
7 Good |
18 Good |
19 Good |
26 Good |
| co | 562 Good |
692 Good |
420 Good |
327 Good |
239 Good |
256 Good |
249 Good |
301 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 16 (Good) | 23 (Moderate) | 14 (Good) | 6.3 (Good) | 16 (Good) | 6.7 (Good) | 6.6 (Good) | 4.1 (Good) | 6.5 (Good) | 4 (Good) | 10 (Good) | 15 (Good) | 20 (Moderate) | 18 (Good) | 26 (Moderate) | 16 (Good) | 10 (Good) | 14 (Good) | 18 (Good) | 13 (Good) | 11 (Good) | 17 (Good) | 17 (Good) | 21 (Moderate) | 16 (Good) | 17 (Good) | 24 (Moderate) | 11 (Good) | 11 (Good) | 15 (Good) | 13 (Good) | 19 (Good) |
| pm25 | 9.6 (Good) | 13 (Good) | 11 (Good) | 5.3 (Good) | 13 (Good) | 5.6 (Good) | 4.7 (Good) | - (Good) | - (Good) | 0.94 (Good) | 4.5 (Good) | 11 (Good) | 14 (Moderate) | 14 (Moderate) | 15 (Moderate) | 9.7 (Good) | 7 (Good) | 12 (Good) | 11 (Good) | 7.1 (Good) | 3.9 (Good) | 4.1 (Good) | 9.3 (Good) | 12 (Good) | 9.5 (Good) | 11 (Good) | 17 (Moderate) | 8.6 (Good) | 8.6 (Good) | 9.6 (Good) | 7.7 (Good) | 12 (Good) |
| no2 | 16 (Good) | 18 (Good) | 14 (Good) | 7.4 (Good) | 13 (Good) | 9.7 (Good) | 11 (Good) | 2 (Good) | - (Good) | 6.6 (Good) | 16 (Good) | 17 (Good) | 22 (Good) | 20 (Good) | 39 (Good) | 21 (Good) | 13 (Good) | 19 (Good) | 21 (Good) | 20 (Good) | 19 (Good) | 21 (Good) | 19 (Good) | 21 (Good) | 22 (Good) | 26 (Good) | 32 (Good) | 21 (Good) | 20 (Good) | 23 (Good) | 17 (Good) | 23 (Good) |
| so2 | 7 (Good) | 4.3 (Good) | 4.4 (Good) | 1.4 (Good) | 9.3 (Good) | 6.2 (Good) | 3.1 (Good) | 2 (Good) | - (Good) | 6.1 (Good) | 12 (Good) | 5.1 (Good) | 6.5 (Good) | 11 (Good) | 9.1 (Good) | 4.5 (Good) | 4.6 (Good) | 3.3 (Good) | 5.5 (Good) | 3.1 (Good) | 4.4 (Good) | 9.5 (Good) | 12 (Good) | 6.2 (Good) | 4.6 (Good) | 3.4 (Good) | 4.6 (Good) | 3.6 (Good) | 1.3 (Good) | 5.5 (Good) | 3.3 (Good) | 8.9 (Good) |
| co | 0.23 (Good) | 0.25 (Good) | 0.24 (Good) | 0.17 (Good) | 0.26 (Good) | 0.17 (Good) | 0.15 (Good) | 0.08 (Good) | - (Good) | 0.06 (Good) | 0.16 (Good) | 0.18 (Good) | 0.24 (Good) | 0.25 (Good) | 0.36 (Good) | 0.23 (Good) | 0.21 (Good) | 0.32 (Good) | 0.26 (Good) | 0.22 (Good) | 0.17 (Good) | 0.14 (Good) | 0.14 (Good) | 0.19 (Good) | 0.21 (Good) | 0.27 (Good) | 0.32 (Good) | 0.26 (Good) | 0.26 (Good) | 6.3 (Good) | 20 (Good) | 26 (Good) |
| o3 | 51 (Good) | 46 (Good) | 47 (Good) | 60 (Good) | 36 (Good) | 22 (Good) | 11 (Good) | 21 (Good) | - (Good) | 26 (Good) | 46 (Good) | 41 (Good) | 44 (Good) | 44 (Good) | 4.6 (Good) | 38 (Good) | 40 (Good) | 29 (Good) | 23 (Good) | 32 (Good) | 46 (Good) | 54 (Good) | 36 (Good) | 40 (Good) | 51 (Good) | 48 (Good) | 32 (Good) | 44 (Good) | 37 (Good) | 25 (Good) | 33 (Good) | 24 (Good) |
Green and Parks in the City
Liège 54%
Luxembourg: 83% Netherlands: 82% Germany: 78% Switzerland: 76% France: 61%particulate matter PM2.5
Liège 11 (Good)
Pleasure of spending time in the city
Liège 57%
Luxembourg: 85% Netherlands: 88% Germany: 80% Switzerland: 84% France: 68%particulate matter PM10
Liège 20 (Moderate)
Air Pollution
Liège 49%
Luxembourg: 19% Netherlands: 21% Germany: 25% Switzerland: 20% France: 36%Garbage Disposal
Liège 56%
Luxembourg: 84% Netherlands: 79% Germany: 74% Switzerland: 82% France: 59%Availability and quality of drinking water
Liège 73%
Luxembourg: 83% Netherlands: 92% Germany: 82% Switzerland: 90% France: 73%Cleanliness and tidiness
Liège 31%
Luxembourg: 82% Netherlands: 77% Germany: 65% Switzerland: 82% France: 48%Noise and Light pollution
Liège 54%
Luxembourg: 29% Netherlands: 31% Germany: 42% Switzerland: 38% France: 54%Water Pollution
Liège 31%
Luxembourg: 19% Netherlands: 17% Germany: 23% Switzerland: 19% France: 39%PM10 45 (Moderate)
particulate matter (PM10) suspended dustPM2,5 29 (Moderate)
particulate matter (PM2.5) dustPM2,5 22 (Moderate)
particulate matter (PM2.5) dustPM10 35 (Moderate)
particulate matter (PM10) suspended dustNO2 59 (Moderate)
nitrogen dioxide (NO2)CO 475 (Good)
carbon monoxide (CO)PM10 39 (Moderate)
particulate matter (PM10) suspended dustSO2 0.5 (Good)
sulfur dioxide (SO2)O3 7.5 (Good)
ozone (O3)PM2,5 25 (Moderate)
particulate matter (PM2.5) dust43H201 - LIEGE
| index | 2024-01-17 | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|---|
| pm10 | 16 | 13 | 15 | 12 | 31 | 34 | 54 | 42 |
| pm25 | 12 | 7.7 | 9.8 | 10 | 24 | 28 | 40 | 24 |
43M204 - ANGLEUR
| index | 2024-01-17 | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 15 | 9.7 | 8.4 | 9.2 | 21 | 30 | 42 | 28 |
| pm10 | 19 | 15 | 13 | 11 | 24 | 37 | 55 | 42 |
43R222 - SERAING
| index | 2024-01-17 | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|---|
| o3 | 29 | 42 | 40 | 37 | 28 | 11 | 5.3 | 4.4 |
| pm25 | 13 | 8.5 | 10 | 10 | 23 | 30 | 41 | 26 |
| so2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.02 | 0 |
| no2 | 26 | 19 | 18 | 6.7 | 21 | 40 | 42 | 42 |
| pm10 | 18 | 15 | 16 | 12 | 29 | 38 | 59 | 45 |
| co | 301 | 249 | 256 | 239 | 327 | 420 | 692 | 562 |
BETH201
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 12 | 13 | 11 | 6.2 | 13 | 4.9 | 4.1 | - | - | 1.3 | 4.8 | 10 | 15 | 15 | 14 | 10 | 7.7 | 12 | 10 | 8.6 | 4.1 | 4.3 | 10 | 15 | 9.6 | 10 | 16 | 9.8 | 8.5 | 10 | 7 | 13 |
| pm10 | 19 | 26 | 15 | 6.5 | 16 | 5.5 | 5.7 | 5.4 | 8.2 | 4.8 | 11 | 15 | 20 | 19 | 26 | 16 | 8.6 | 13 | 16 | 15 | 11 | 18 | 19 | 25 | 17 | 15 | 23 | 11 | 12 | 14 | 12 | 17 |
BETM204
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 7.8 | 12 | 11 | 4.4 | 11 | 5.3 | 4.5 | - | - | - | 4.5 | 12 | 13 | 13 | 13 | 8.6 | 6.6 | 13 | 11 | 6.4 | 4.2 | 4.1 | 8.7 | 10 | 9.7 | 11 | 17 | 7.8 | 7.5 | 8.7 | 7.1 | 11 |
| pm10 | 13 | 20 | 14 | 5.7 | 15 | 7.1 | 6.6 | 1.4 | 4.8 | 2.3 | 9.1 | 15 | 19 | 16 | 24 | 15 | 9.4 | 14 | 20 | 12 | 12 | 17 | 17 | 18 | 16 | 17 | 23 | 11 | 10 | 14 | 13 | 19 |
BETR222
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9.4 | 14 | 12 | 5.2 | 14 | 6.5 | 5.4 | - | 0.58 | 4.1 | 11 | 15 | 15 | 16 | 10 | 6.6 | 11 | 11 | 6.2 | 3.2 | 4 | 9 | 11 | 9.2 | 12 | 17 | 8.3 | 9.8 | 10 | 9 | 13 |
| pm10 | 16 | 24 | 14 | 6.8 | 16 | 7.6 | 7.5 | 5.6 | 4.7 | 11 | 16 | 22 | 18 | 29 | 18 | 13 | 14 | 19 | 12 | 10 | 15 | 17 | 20 | 16 | 19 | 26 | 11 | 12 | 16 | 16 | 21 |
| co | 0.23 | 0.25 | 0.24 | 0.17 | 0.26 | 0.17 | 0.15 | 0.08 | 0.06 | 0.16 | 0.18 | 0.24 | 0.25 | 0.36 | 0.23 | 0.21 | 0.32 | 0.26 | 0.22 | 0.17 | 0.14 | 0.14 | 0.19 | 0.21 | 0.27 | 0.32 | 0.26 | 0.26 | 6.3 | 20 | 26 |
| so2 | 7 | 4.3 | 4.4 | 1.4 | 9.3 | 6.2 | 3.1 | 2 | 6.1 | 12 | 5.1 | 6.5 | 11 | 9.1 | 4.5 | 4.6 | 3.3 | 5.5 | 3.1 | 4.4 | 9.5 | 12 | 6.2 | 4.6 | 3.4 | 4.6 | 3.6 | 1.3 | 5.5 | 3.3 | 8.9 |
| no2 | 16 | 18 | 14 | 7.4 | 13 | 9.7 | 11 | 2 | 6.6 | 16 | 17 | 22 | 20 | 39 | 21 | 13 | 19 | 21 | 20 | 19 | 21 | 19 | 21 | 22 | 26 | 32 | 21 | 20 | 23 | 17 | 23 |
| o3 | 51 | 46 | 47 | 60 | 36 | 22 | 11 | 21 | 26 | 46 | 41 | 44 | 44 | 4.6 | 38 | 40 | 29 | 23 | 32 | 46 | 54 | 36 | 40 | 51 | 48 | 32 | 44 | 37 | 25 | 33 | 24 |