Air Pollution in Sintra (São Pedro de Penaferrim): Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Sintra (São Pedro de Penaferrim). Today is Saturday, May 18, 2024. The following air pollution values have been recorded for Sintra (São Pedro de Penaferrim):- ozone (O3) - 84 (Moderate)
- nitrogen dioxide (NO2) - 7 (Good)
- sulfur dioxide (SO2) - 3 (Good)
- particulate matter (PM2.5) dust - 8 (Good)
- particulate matter (PM10) suspended dust - 28 (Moderate)
What is the air quality in Sintra (São Pedro de Penaferrim) today? Is the air polluted in Sintra (São Pedro de Penaferrim)?. Is there smog?
How is the O3 level today in Sintra (São Pedro de Penaferrim)? (ozone (O3))
84 (Moderate)
How high is the level of NO2? (nitrogen dioxide (NO2))
7 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
3 (Good)
What is the current level of PM2.5 in Sintra (São Pedro de Penaferrim)? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
8 (Good)
For comparison, the highest level of PM2.5 in Sintra (São Pedro de Penaferrim) in the last 7 days was: 19 (Wednesday, January 10, 2024) and the lowest: 6 (Monday, January 15, 2024).
The highest PM2.5 values were recorded: 22 (October 2017).
The lowest level of particulate matter PM2.5 pollution occurs in month: June (0.42).
What is the level of PM10 today in Sintra (São Pedro de Penaferrim)? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Sintra (São Pedro de Penaferrim) is:
28 (Moderate)
The highest PM10 values usually occur in month: 27 (October 2017).
The lowest value of particulate matter PM10 pollution in Sintra (São Pedro de Penaferrim) is usually recorded in: June (1.3).
Current data Wednesday, January 17, 2024, 7:00 AM
O3 84 (Moderate)
NO2 7 (Good)
SO2 3 (Good)
PM2,5 8 (Good)
PM10 28 (Moderate)
Data on air pollution from recent days in Sintra (São Pedro de Penaferrim)
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
o3
35
Good
39
Good
41
Good
51
Good
54
Good
66
Good
72
Moderate
91
Moderate
pm25
19
Moderate
17
Moderate
10
Good
12
Good
16
Moderate
6
Good
8
Good
9
Good
pm10
30
Moderate
27
Moderate
17
Good
27
Moderate
42
Moderate
22
Moderate
40
Moderate
32
Moderate
no2
44
Moderate
27
Good
20
Good
17
Good
13
Good
12
Good
8
Good
4
Good
so2
3
Good
7
Good
3
Good
3
Good
3
Good
3
Good
3
Good
3
Good
data source »
Air pollution in Sintra (São Pedro de Penaferrim) 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
2019-08
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
2017-10
2017-09
so2
0.59 (Good)
0.6 (Good)
0.46 (Good)
0.56 (Good)
1.3 (Good)
2.7 (Good)
0.86 (Good)
0.53 (Good)
0.85 (Good)
0.3 (Good)
0.18 (Good)
0.26 (Good)
0.79 (Good)
0.51 (Good)
1.1 (Good)
0.34 (Good)
0.63 (Good)
0.84 (Good)
2.6 (Good)
0.22 (Good)
0.49 (Good)
0.41 (Good)
1.4 (Good)
0.74 (Good)
0.41 (Good)
0.13 (Good)
0.41 (Good)
0.48 (Good)
0.21 (Good)
- (Good)
- (Good)
no2
7.1 (Good)
7.8 (Good)
8.2 (Good)
21 (Good)
22 (Good)
18 (Good)
9.6 (Good)
11 (Good)
7 (Good)
3.7 (Good)
3.4 (Good)
5.1 (Good)
4.3 (Good)
8.2 (Good)
12 (Good)
27 (Good)
17 (Good)
23 (Good)
19 (Good)
16 (Good)
12 (Good)
7.6 (Good)
4.2 (Good)
6.9 (Good)
6.4 (Good)
10 (Good)
8.9 (Good)
21 (Good)
15 (Good)
21 (Good)
7.3 (Good)
o3
69 (Good)
82 (Moderate)
80 (Moderate)
56 (Good)
55 (Good)
54 (Good)
59 (Good)
59 (Good)
72 (Moderate)
61 (Good)
65 (Good)
69 (Good)
67 (Good)
79 (Moderate)
76 (Moderate)
59 (Good)
51 (Good)
36 (Good)
52 (Good)
70 (Moderate)
75 (Moderate)
75 (Moderate)
64 (Good)
60 (Good)
83 (Moderate)
79 (Moderate)
78 (Moderate)
64 (Good)
64 (Good)
70 (Moderate)
66 (Good)
pm25
5 (Good)
5.7 (Good)
9.4 (Good)
13 (Moderate)
12 (Good)
0.91 (Good)
0.5 (Good)
0.63 (Good)
1.5 (Good)
0.96 (Good)
1.2 (Good)
0.42 (Good)
0.82 (Good)
0.92 (Good)
1 (Good)
1.3 (Good)
2.6 (Good)
3 (Good)
2 (Good)
1.9 (Good)
2.3 (Good)
0.85 (Good)
1.3 (Good)
1.7 (Good)
3.9 (Good)
4.1 (Good)
4.7 (Good)
8.2 (Good)
7.6 (Good)
22 (Moderate)
3.5 (Good)
pm10
14 (Good)
12 (Good)
20 (Moderate)
24 (Moderate)
21 (Moderate)
7.5 (Good)
2.4 (Good)
2.5 (Good)
3.4 (Good)
1.9 (Good)
2.6 (Good)
1.3 (Good)
2.8 (Good)
2.1 (Good)
2 (Good)
2.9 (Good)
4 (Good)
5.8 (Good)
3.7 (Good)
3.6 (Good)
4.7 (Good)
2 (Good)
3.8 (Good)
2.8 (Good)
6.7 (Good)
9.5 (Good)
12 (Good)
16 (Good)
17 (Good)
27 (Moderate)
10 (Good)
data source »
PT03089
Wednesday, January 17, 2024, 7:00 AM
O3 84 (Moderate)
ozone (O3)
NO2 6.9 (Good)
nitrogen dioxide (NO2)
SO2 2.8 (Good)
sulfur dioxide (SO2)
PM2,5 7.8 (Good)
particulate matter (PM2.5) dust
PM10 28 (Moderate)
particulate matter (PM10) suspended dust
PT03089
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
91
72
66
54
51
41
39
35
pm25
9.3
7.9
6
16
12
9.9
17
19
pm10
32
40
22
42
27
17
27
30
no2
3.7
8.4
12
13
17
20
27
44
so2
2.8
3
3
2.7
2.8
3.4
6.6
2.7
PT03089
2017-09 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
2017-10
2017-09
pm25
5
5.7
9.4
13
12
0.91
0.5
0.63
1.5
0.96
1.2
0.42
0.82
0.92
1
1.3
2.6
3
2
1.9
2.3
0.85
1.3
1.7
3.9
4.1
4.7
8.2
7.6
22
3.5
pm10
14
12
20
24
21
7.5
2.4
2.5
3.4
1.9
2.6
1.3
2.8
2.1
2
2.9
4
5.8
3.7
3.6
4.7
2
3.8
2.8
6.7
9.5
12
16
17
27
10
no2
7.1
7.8
8.2
21
22
18
9.6
11
7
3.7
3.4
5.1
4.3
8.2
12
27
17
23
19
16
12
7.6
4.2
6.9
6.4
10
8.9
21
15
21
7.3
o3
69
82
80
56
55
54
59
59
72
61
65
69
67
79
76
59
51
36
52
70
75
75
64
60
83
79
78
64
64
70
66
so2
0.59
0.6
0.46
0.56
1.3
2.7
0.86
0.53
0.85
0.3
0.18
0.26
0.79
0.51
1.1
0.34
0.63
0.84
2.6
0.22
0.49
0.41
1.4
0.74
0.41
0.13
0.41
0.48
0.21
-
-
* Pollution data source:
https://openaq.org
(EEA Portugal)
The data is licensed under CC-By 4.0
O3 84 (Moderate)
NO2 7 (Good)
SO2 3 (Good)
PM2,5 8 (Good)
PM10 28 (Moderate)
Data on air pollution from recent days in Sintra (São Pedro de Penaferrim)
| 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 |
|---|---|---|---|---|---|---|---|---|
| o3 | 35 Good |
39 Good |
41 Good |
51 Good |
54 Good |
66 Good |
72 Moderate |
91 Moderate |
| pm25 | 19 Moderate |
17 Moderate |
10 Good |
12 Good |
16 Moderate |
6 Good |
8 Good |
9 Good |
| pm10 | 30 Moderate |
27 Moderate |
17 Good |
27 Moderate |
42 Moderate |
22 Moderate |
40 Moderate |
32 Moderate |
| no2 | 44 Moderate |
27 Good |
20 Good |
17 Good |
13 Good |
12 Good |
8 Good |
4 Good |
| so2 | 3 Good |
7 Good |
3 Good |
3 Good |
3 Good |
3 Good |
3 Good |
3 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 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| so2 | 0.59 (Good) | 0.6 (Good) | 0.46 (Good) | 0.56 (Good) | 1.3 (Good) | 2.7 (Good) | 0.86 (Good) | 0.53 (Good) | 0.85 (Good) | 0.3 (Good) | 0.18 (Good) | 0.26 (Good) | 0.79 (Good) | 0.51 (Good) | 1.1 (Good) | 0.34 (Good) | 0.63 (Good) | 0.84 (Good) | 2.6 (Good) | 0.22 (Good) | 0.49 (Good) | 0.41 (Good) | 1.4 (Good) | 0.74 (Good) | 0.41 (Good) | 0.13 (Good) | 0.41 (Good) | 0.48 (Good) | 0.21 (Good) | - (Good) | - (Good) |
| no2 | 7.1 (Good) | 7.8 (Good) | 8.2 (Good) | 21 (Good) | 22 (Good) | 18 (Good) | 9.6 (Good) | 11 (Good) | 7 (Good) | 3.7 (Good) | 3.4 (Good) | 5.1 (Good) | 4.3 (Good) | 8.2 (Good) | 12 (Good) | 27 (Good) | 17 (Good) | 23 (Good) | 19 (Good) | 16 (Good) | 12 (Good) | 7.6 (Good) | 4.2 (Good) | 6.9 (Good) | 6.4 (Good) | 10 (Good) | 8.9 (Good) | 21 (Good) | 15 (Good) | 21 (Good) | 7.3 (Good) |
| o3 | 69 (Good) | 82 (Moderate) | 80 (Moderate) | 56 (Good) | 55 (Good) | 54 (Good) | 59 (Good) | 59 (Good) | 72 (Moderate) | 61 (Good) | 65 (Good) | 69 (Good) | 67 (Good) | 79 (Moderate) | 76 (Moderate) | 59 (Good) | 51 (Good) | 36 (Good) | 52 (Good) | 70 (Moderate) | 75 (Moderate) | 75 (Moderate) | 64 (Good) | 60 (Good) | 83 (Moderate) | 79 (Moderate) | 78 (Moderate) | 64 (Good) | 64 (Good) | 70 (Moderate) | 66 (Good) |
| pm25 | 5 (Good) | 5.7 (Good) | 9.4 (Good) | 13 (Moderate) | 12 (Good) | 0.91 (Good) | 0.5 (Good) | 0.63 (Good) | 1.5 (Good) | 0.96 (Good) | 1.2 (Good) | 0.42 (Good) | 0.82 (Good) | 0.92 (Good) | 1 (Good) | 1.3 (Good) | 2.6 (Good) | 3 (Good) | 2 (Good) | 1.9 (Good) | 2.3 (Good) | 0.85 (Good) | 1.3 (Good) | 1.7 (Good) | 3.9 (Good) | 4.1 (Good) | 4.7 (Good) | 8.2 (Good) | 7.6 (Good) | 22 (Moderate) | 3.5 (Good) |
| pm10 | 14 (Good) | 12 (Good) | 20 (Moderate) | 24 (Moderate) | 21 (Moderate) | 7.5 (Good) | 2.4 (Good) | 2.5 (Good) | 3.4 (Good) | 1.9 (Good) | 2.6 (Good) | 1.3 (Good) | 2.8 (Good) | 2.1 (Good) | 2 (Good) | 2.9 (Good) | 4 (Good) | 5.8 (Good) | 3.7 (Good) | 3.6 (Good) | 4.7 (Good) | 2 (Good) | 3.8 (Good) | 2.8 (Good) | 6.7 (Good) | 9.5 (Good) | 12 (Good) | 16 (Good) | 17 (Good) | 27 (Moderate) | 10 (Good) |
O3 84 (Moderate)
ozone (O3)NO2 6.9 (Good)
nitrogen dioxide (NO2)SO2 2.8 (Good)
sulfur dioxide (SO2)PM2,5 7.8 (Good)
particulate matter (PM2.5) dustPM10 28 (Moderate)
particulate matter (PM10) suspended dustPT03089
| 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 | 91 | 72 | 66 | 54 | 51 | 41 | 39 | 35 |
| pm25 | 9.3 | 7.9 | 6 | 16 | 12 | 9.9 | 17 | 19 |
| pm10 | 32 | 40 | 22 | 42 | 27 | 17 | 27 | 30 |
| no2 | 3.7 | 8.4 | 12 | 13 | 17 | 20 | 27 | 44 |
| so2 | 2.8 | 3 | 3 | 2.7 | 2.8 | 3.4 | 6.6 | 2.7 |
PT03089
| 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 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 5 | 5.7 | 9.4 | 13 | 12 | 0.91 | 0.5 | 0.63 | 1.5 | 0.96 | 1.2 | 0.42 | 0.82 | 0.92 | 1 | 1.3 | 2.6 | 3 | 2 | 1.9 | 2.3 | 0.85 | 1.3 | 1.7 | 3.9 | 4.1 | 4.7 | 8.2 | 7.6 | 22 | 3.5 |
| pm10 | 14 | 12 | 20 | 24 | 21 | 7.5 | 2.4 | 2.5 | 3.4 | 1.9 | 2.6 | 1.3 | 2.8 | 2.1 | 2 | 2.9 | 4 | 5.8 | 3.7 | 3.6 | 4.7 | 2 | 3.8 | 2.8 | 6.7 | 9.5 | 12 | 16 | 17 | 27 | 10 |
| no2 | 7.1 | 7.8 | 8.2 | 21 | 22 | 18 | 9.6 | 11 | 7 | 3.7 | 3.4 | 5.1 | 4.3 | 8.2 | 12 | 27 | 17 | 23 | 19 | 16 | 12 | 7.6 | 4.2 | 6.9 | 6.4 | 10 | 8.9 | 21 | 15 | 21 | 7.3 |
| o3 | 69 | 82 | 80 | 56 | 55 | 54 | 59 | 59 | 72 | 61 | 65 | 69 | 67 | 79 | 76 | 59 | 51 | 36 | 52 | 70 | 75 | 75 | 64 | 60 | 83 | 79 | 78 | 64 | 64 | 70 | 66 |
| so2 | 0.59 | 0.6 | 0.46 | 0.56 | 1.3 | 2.7 | 0.86 | 0.53 | 0.85 | 0.3 | 0.18 | 0.26 | 0.79 | 0.51 | 1.1 | 0.34 | 0.63 | 0.84 | 2.6 | 0.22 | 0.49 | 0.41 | 1.4 | 0.74 | 0.41 | 0.13 | 0.41 | 0.48 | 0.21 | - | - |