Air Pollution in Siero: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Siero. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Siero:- carbon monoxide (CO) - 940 (Good)
- sulfur dioxide (SO2) - 10 (Good)
- ozone (O3) - 7 (Good)
- nitrogen dioxide (NO2) - 59 (Moderate)
- particulate matter (PM10) suspended dust - 13 (Good)
- particulate matter (PM2.5) dust - 11 (Good)
What is the air quality in Siero today? Is the air polluted in Siero?. Is there smog?
How high is the CO level? (carbon monoxide (CO))
940 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
10 (Good)
How is the O3 level today in Siero? (ozone (O3))
7 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
59 (Moderate)
What is the level of PM10 today in Siero? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Siero is:
13 (Good)
The highest PM10 values usually occur in month: 41 (February 2020).
The lowest value of particulate matter PM10 pollution in Siero is usually recorded in: November (1.3).
What is the current level of PM2.5 in Siero? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
11 (Good)
For comparison, the highest level of PM2.5 in Siero in the last 7 days was: 31 (Saturday, January 13, 2024) and the lowest: 4 (Wednesday, January 17, 2024).
The highest PM2.5 values were recorded: 28 (December 2017).
The lowest level of particulate matter PM2.5 pollution occurs in month: November (0.73).
Current data Wednesday, January 17, 2024, 9:00 AM
CO 940 (Good)
SO2 10 (Good)
O3 7 (Good)
NO2 59 (Moderate)
PM10 13 (Good)
PM2,5 11 (Good)
Data on air pollution from recent days in Siero
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
so2
8
Good
5
Good
7
Good
11
Good
10
Good
1
Good
4
Good
7
Good
pm25
13
Moderate
11
Good
15
Moderate
31
Moderate
23
Moderate
8
Good
8
Good
4
Good
pm10
12
Good
8
Good
17
Good
41
Moderate
28
Moderate
12
Good
12
Good
9
Good
co
770
Good
783
Good
845
Good
1184
Good
1147
Good
885
Good
815
Good
738
Good
o3
24
Good
25
Good
18
Good
8
Good
10
Good
22
Good
20
Good
34
Good
no2
20
Good
26
Good
31
Good
33
Good
25
Good
27
Good
25
Good
23
Good
data source »
Air pollution in Siero 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
co
545 (Good)
553 (Good)
591 (Good)
713 (Good)
978 (Good)
638 (Good)
66 (Good)
43 (Good)
217 (Good)
172 (Good)
359 (Good)
677 (Good)
651 (Good)
614 (Good)
805 (Good)
660 (Good)
816 (Good)
774 (Good)
629 (Good)
588 (Good)
460 (Good)
466 (Good)
497 (Good)
468 (Good)
731 (Good)
727 (Good)
599 (Good)
562 (Good)
546 (Good)
760 (Good)
671 (Good)
492 (Good)
so2
11 (Good)
4.9 (Good)
4.9 (Good)
6 (Good)
11 (Good)
6.1 (Good)
0.66 (Good)
0.43 (Good)
2.6 (Good)
1.9 (Good)
5.8 (Good)
8.8 (Good)
8.5 (Good)
8.1 (Good)
8.2 (Good)
5.1 (Good)
4.3 (Good)
8.5 (Good)
5.3 (Good)
5.8 (Good)
4.2 (Good)
2.8 (Good)
2.2 (Good)
2.1 (Good)
7 (Good)
9 (Good)
6.1 (Good)
4 (Good)
2.5 (Good)
8.3 (Good)
6.4 (Good)
6.1 (Good)
no2
6.3 (Good)
6.3 (Good)
15 (Good)
27 (Good)
35 (Good)
27 (Good)
1.1 (Good)
1.3 (Good)
4.8 (Good)
2.9 (Good)
12 (Good)
15 (Good)
18 (Good)
23 (Good)
43 (Moderate)
30 (Good)
24 (Good)
17 (Good)
15 (Good)
16 (Good)
9.6 (Good)
11 (Good)
8.7 (Good)
11 (Good)
12 (Good)
9.2 (Good)
17 (Good)
18 (Good)
25 (Good)
23 (Good)
17 (Good)
16 (Good)
o3
38 (Good)
42 (Good)
47 (Good)
31 (Good)
28 (Good)
8.8 (Good)
5.1 (Good)
1 (Good)
15 (Good)
24 (Good)
43 (Good)
58 (Good)
63 (Good)
56 (Good)
36 (Good)
43 (Good)
18 (Good)
24 (Good)
20 (Good)
22 (Good)
29 (Good)
26 (Good)
36 (Good)
41 (Good)
43 (Good)
58 (Good)
42 (Good)
21 (Good)
8.5 (Good)
20 (Good)
32 (Good)
37 (Good)
pm25
- (Good)
- (Good)
14 (Moderate)
15 (Moderate)
21 (Moderate)
- (Good)
0.73 (Good)
- (Good)
5.2 (Good)
2.5 (Good)
- (Good)
11 (Good)
13 (Good)
15 (Moderate)
23 (Moderate)
15 (Moderate)
26 (Moderate)
15 (Moderate)
14 (Moderate)
13 (Good)
8.8 (Good)
11 (Good)
12 (Good)
11 (Good)
6.4 (Good)
6.7 (Good)
14 (Moderate)
21 (Moderate)
28 (Moderate)
22 (Moderate)
17 (Moderate)
14 (Moderate)
pm10
- (Good)
- (Good)
23 (Moderate)
41 (Moderate)
24 (Moderate)
- (Good)
1.3 (Good)
- (Good)
8.4 (Good)
4.2 (Good)
- (Good)
21 (Moderate)
20 (Good)
24 (Moderate)
38 (Moderate)
23 (Moderate)
36 (Moderate)
22 (Moderate)
17 (Good)
19 (Good)
17 (Good)
14 (Good)
18 (Good)
15 (Good)
23 (Moderate)
14 (Good)
16 (Good)
33 (Moderate)
38 (Moderate)
28 (Moderate)
31 (Moderate)
25 (Moderate)
data source »
LUGONES INSTITUTO
Wednesday, January 17, 2024, 9:00 AM
CO 940 (Good)
carbon monoxide (CO)
SO2 10 (Good)
sulfur dioxide (SO2)
O3 7 (Good)
ozone (O3)
NO2 59 (Moderate)
nitrogen dioxide (NO2)
PM10 13 (Good)
particulate matter (PM10) suspended dust
PM2,5 11 (Good)
particulate matter (PM2.5) dust
LUGONES INSTITUTO
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
so2
7
3.9
1.2
9.7
11
6.8
5.5
8.2
pm25
3.6
7.9
8.3
23
31
15
11
13
pm10
8.8
12
12
28
41
17
8.4
12
co
738
815
885
1147
1184
845
783
770
o3
34
20
22
10
8.4
18
25
24
no2
23
25
27
25
33
31
26
20
ES2051A
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
-
-
14
15
21
-
0.73
-
5.2
2.5
-
11
13
15
23
15
26
15
14
13
8.8
11
12
11
6.4
6.7
14
21
28
22
17
14
pm10
-
-
23
41
24
-
1.3
-
8.4
4.2
-
21
20
24
38
23
36
22
17
19
17
14
18
15
23
14
16
33
38
28
31
25
co
545
553
591
713
978
638
66
43
217
172
359
677
651
614
805
660
816
774
629
588
460
466
497
468
731
727
599
562
546
760
671
492
so2
11
4.9
4.9
6
11
6.1
0.66
0.43
2.6
1.9
5.8
8.8
8.5
8.1
8.2
5.1
4.3
8.5
5.3
5.8
4.2
2.8
2.2
2.1
7
9
6.1
4
2.5
8.3
6.4
6.1
no2
6.3
6.3
15
27
35
27
1.1
1.3
4.8
2.9
12
15
18
23
43
30
24
17
15
16
9.6
11
8.7
11
12
9.2
17
18
25
23
17
16
o3
38
42
47
31
28
8.8
5.1
1
15
24
43
58
63
56
36
43
18
24
20
22
29
26
36
41
43
58
42
21
8.5
20
32
37
* Pollution data source:
https://openaq.org
(EEA Spain)
The data is licensed under CC-By 4.0
CO 940 (Good)
SO2 10 (Good)
O3 7 (Good)
NO2 59 (Moderate)
PM10 13 (Good)
PM2,5 11 (Good)
Data on air pollution from recent days in Siero
| 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 |
|---|---|---|---|---|---|---|---|---|
| so2 | 8 Good |
5 Good |
7 Good |
11 Good |
10 Good |
1 Good |
4 Good |
7 Good |
| pm25 | 13 Moderate |
11 Good |
15 Moderate |
31 Moderate |
23 Moderate |
8 Good |
8 Good |
4 Good |
| pm10 | 12 Good |
8 Good |
17 Good |
41 Moderate |
28 Moderate |
12 Good |
12 Good |
9 Good |
| co | 770 Good |
783 Good |
845 Good |
1184 Good |
1147 Good |
885 Good |
815 Good |
738 Good |
| o3 | 24 Good |
25 Good |
18 Good |
8 Good |
10 Good |
22 Good |
20 Good |
34 Good |
| no2 | 20 Good |
26 Good |
31 Good |
33 Good |
25 Good |
27 Good |
25 Good |
23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| co | 545 (Good) | 553 (Good) | 591 (Good) | 713 (Good) | 978 (Good) | 638 (Good) | 66 (Good) | 43 (Good) | 217 (Good) | 172 (Good) | 359 (Good) | 677 (Good) | 651 (Good) | 614 (Good) | 805 (Good) | 660 (Good) | 816 (Good) | 774 (Good) | 629 (Good) | 588 (Good) | 460 (Good) | 466 (Good) | 497 (Good) | 468 (Good) | 731 (Good) | 727 (Good) | 599 (Good) | 562 (Good) | 546 (Good) | 760 (Good) | 671 (Good) | 492 (Good) |
| so2 | 11 (Good) | 4.9 (Good) | 4.9 (Good) | 6 (Good) | 11 (Good) | 6.1 (Good) | 0.66 (Good) | 0.43 (Good) | 2.6 (Good) | 1.9 (Good) | 5.8 (Good) | 8.8 (Good) | 8.5 (Good) | 8.1 (Good) | 8.2 (Good) | 5.1 (Good) | 4.3 (Good) | 8.5 (Good) | 5.3 (Good) | 5.8 (Good) | 4.2 (Good) | 2.8 (Good) | 2.2 (Good) | 2.1 (Good) | 7 (Good) | 9 (Good) | 6.1 (Good) | 4 (Good) | 2.5 (Good) | 8.3 (Good) | 6.4 (Good) | 6.1 (Good) |
| no2 | 6.3 (Good) | 6.3 (Good) | 15 (Good) | 27 (Good) | 35 (Good) | 27 (Good) | 1.1 (Good) | 1.3 (Good) | 4.8 (Good) | 2.9 (Good) | 12 (Good) | 15 (Good) | 18 (Good) | 23 (Good) | 43 (Moderate) | 30 (Good) | 24 (Good) | 17 (Good) | 15 (Good) | 16 (Good) | 9.6 (Good) | 11 (Good) | 8.7 (Good) | 11 (Good) | 12 (Good) | 9.2 (Good) | 17 (Good) | 18 (Good) | 25 (Good) | 23 (Good) | 17 (Good) | 16 (Good) |
| o3 | 38 (Good) | 42 (Good) | 47 (Good) | 31 (Good) | 28 (Good) | 8.8 (Good) | 5.1 (Good) | 1 (Good) | 15 (Good) | 24 (Good) | 43 (Good) | 58 (Good) | 63 (Good) | 56 (Good) | 36 (Good) | 43 (Good) | 18 (Good) | 24 (Good) | 20 (Good) | 22 (Good) | 29 (Good) | 26 (Good) | 36 (Good) | 41 (Good) | 43 (Good) | 58 (Good) | 42 (Good) | 21 (Good) | 8.5 (Good) | 20 (Good) | 32 (Good) | 37 (Good) |
| pm25 | - (Good) | - (Good) | 14 (Moderate) | 15 (Moderate) | 21 (Moderate) | - (Good) | 0.73 (Good) | - (Good) | 5.2 (Good) | 2.5 (Good) | - (Good) | 11 (Good) | 13 (Good) | 15 (Moderate) | 23 (Moderate) | 15 (Moderate) | 26 (Moderate) | 15 (Moderate) | 14 (Moderate) | 13 (Good) | 8.8 (Good) | 11 (Good) | 12 (Good) | 11 (Good) | 6.4 (Good) | 6.7 (Good) | 14 (Moderate) | 21 (Moderate) | 28 (Moderate) | 22 (Moderate) | 17 (Moderate) | 14 (Moderate) |
| pm10 | - (Good) | - (Good) | 23 (Moderate) | 41 (Moderate) | 24 (Moderate) | - (Good) | 1.3 (Good) | - (Good) | 8.4 (Good) | 4.2 (Good) | - (Good) | 21 (Moderate) | 20 (Good) | 24 (Moderate) | 38 (Moderate) | 23 (Moderate) | 36 (Moderate) | 22 (Moderate) | 17 (Good) | 19 (Good) | 17 (Good) | 14 (Good) | 18 (Good) | 15 (Good) | 23 (Moderate) | 14 (Good) | 16 (Good) | 33 (Moderate) | 38 (Moderate) | 28 (Moderate) | 31 (Moderate) | 25 (Moderate) |
CO 940 (Good)
carbon monoxide (CO)SO2 10 (Good)
sulfur dioxide (SO2)O3 7 (Good)
ozone (O3)NO2 59 (Moderate)
nitrogen dioxide (NO2)PM10 13 (Good)
particulate matter (PM10) suspended dustPM2,5 11 (Good)
particulate matter (PM2.5) dustLUGONES INSTITUTO
| 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 |
|---|---|---|---|---|---|---|---|---|
| so2 | 7 | 3.9 | 1.2 | 9.7 | 11 | 6.8 | 5.5 | 8.2 |
| pm25 | 3.6 | 7.9 | 8.3 | 23 | 31 | 15 | 11 | 13 |
| pm10 | 8.8 | 12 | 12 | 28 | 41 | 17 | 8.4 | 12 |
| co | 738 | 815 | 885 | 1147 | 1184 | 845 | 783 | 770 |
| o3 | 34 | 20 | 22 | 10 | 8.4 | 18 | 25 | 24 |
| no2 | 23 | 25 | 27 | 25 | 33 | 31 | 26 | 20 |
ES2051A
| 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 | - | - | 14 | 15 | 21 | - | 0.73 | - | 5.2 | 2.5 | - | 11 | 13 | 15 | 23 | 15 | 26 | 15 | 14 | 13 | 8.8 | 11 | 12 | 11 | 6.4 | 6.7 | 14 | 21 | 28 | 22 | 17 | 14 |
| pm10 | - | - | 23 | 41 | 24 | - | 1.3 | - | 8.4 | 4.2 | - | 21 | 20 | 24 | 38 | 23 | 36 | 22 | 17 | 19 | 17 | 14 | 18 | 15 | 23 | 14 | 16 | 33 | 38 | 28 | 31 | 25 |
| co | 545 | 553 | 591 | 713 | 978 | 638 | 66 | 43 | 217 | 172 | 359 | 677 | 651 | 614 | 805 | 660 | 816 | 774 | 629 | 588 | 460 | 466 | 497 | 468 | 731 | 727 | 599 | 562 | 546 | 760 | 671 | 492 |
| so2 | 11 | 4.9 | 4.9 | 6 | 11 | 6.1 | 0.66 | 0.43 | 2.6 | 1.9 | 5.8 | 8.8 | 8.5 | 8.1 | 8.2 | 5.1 | 4.3 | 8.5 | 5.3 | 5.8 | 4.2 | 2.8 | 2.2 | 2.1 | 7 | 9 | 6.1 | 4 | 2.5 | 8.3 | 6.4 | 6.1 |
| no2 | 6.3 | 6.3 | 15 | 27 | 35 | 27 | 1.1 | 1.3 | 4.8 | 2.9 | 12 | 15 | 18 | 23 | 43 | 30 | 24 | 17 | 15 | 16 | 9.6 | 11 | 8.7 | 11 | 12 | 9.2 | 17 | 18 | 25 | 23 | 17 | 16 |
| o3 | 38 | 42 | 47 | 31 | 28 | 8.8 | 5.1 | 1 | 15 | 24 | 43 | 58 | 63 | 56 | 36 | 43 | 18 | 24 | 20 | 22 | 29 | 26 | 36 | 41 | 43 | 58 | 42 | 21 | 8.5 | 20 | 32 | 37 |