Air Pollution in Chousa Velha: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Chousa Velha. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Chousa Velha:- nitrogen dioxide (NO2) - 1 (Good)
- ozone (O3) - 64 (Good)
- particulate matter (PM10) suspended dust - 29 (Moderate)
What is the air quality in Chousa Velha today? Is the air polluted in Chousa Velha?. Is there smog?
Today (Wednesday, January 17, 2024) air quality is moderate in Chousa Velha.
Some pollutants in Chousa Velha may slightly affect very few hypersensitive individuals. Air pollutants in Chousa Velha may cause minor breathing discomfort to sensitive people.
How high is the level of NO2? (nitrogen dioxide (NO2))
1 (Good)
How is the O3 level today in Chousa Velha? (ozone (O3))
64 (Good)
What is the level of PM10 today in Chousa Velha? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Chousa Velha is:
29 (Moderate)
The highest PM10 values usually occur in month: 37 (February 2019).
The lowest value of particulate matter PM10 pollution in Chousa Velha is usually recorded in: September (12).
Current data Wednesday, January 17, 2024, 7:00 AM
NO2 1 (Good)
O3 64 (Good)
PM10 29 (Moderate)
Data on air pollution from recent days in Chousa Velha
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
26
Good
39
Good
43
Good
36
Good
55
Good
50
Good
72
Moderate
pm10
18
Good
19
Good
14
Good
18
Good
17
Good
14
Good
17
Good
26
Moderate
no2
5
Good
12
Good
5
Good
2
Good
1
Good
1
Good
0
Good
0
Good
data source »
Air pollution in Chousa Velha 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
0.49 (Good)
1 (Good)
0.28 (Good)
0.25 (Good)
0.14 (Good)
0.23 (Good)
1.7 (Good)
0.46 (Good)
2.3 (Good)
0.35 (Good)
0.89 (Good)
1.9 (Good)
1.6 (Good)
0.33 (Good)
0.53 (Good)
0.64 (Good)
- (Good)
4.5 (Good)
0.96 (Good)
0.55 (Good)
5.4 (Good)
0.78 (Good)
0.5 (Good)
3.3 (Good)
3.2 (Good)
0.39 (Good)
0.29 (Good)
0.73 (Good)
121 (Unhealthy for Sensitive Groups)
0.17 (Good)
0.32 (Good)
pm10
17 (Good)
15 (Good)
32 (Moderate)
35 (Moderate)
32 (Moderate)
25 (Moderate)
19 (Good)
19 (Good)
20 (Moderate)
15 (Good)
20 (Good)
14 (Good)
19 (Good)
17 (Good)
23 (Moderate)
37 (Moderate)
34 (Moderate)
23 (Moderate)
18 (Good)
19 (Good)
16 (Good)
- (Good)
- (Good)
15 (Good)
20 (Good)
22 (Moderate)
17 (Good)
29 (Moderate)
25 (Moderate)
27 (Moderate)
12 (Good)
o3
61 (Good)
70 (Good)
68 (Good)
38 (Good)
35 (Good)
25 (Good)
28 (Good)
36 (Good)
48 (Good)
45 (Good)
47 (Good)
55 (Good)
63 (Good)
66 (Good)
60 (Good)
44 (Good)
30 (Good)
28 (Good)
44 (Good)
47 (Good)
46 (Good)
50 (Good)
47 (Good)
57 (Good)
59 (Good)
55 (Good)
65 (Good)
55 (Good)
51 (Good)
42 (Good)
37 (Good)
no2
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
28 (Good)
11 (Good)
24 (Good)
9.9 (Good)
6.8 (Good)
20 (Good)
11 (Good)
8.3 (Good)
14 (Good)
16 (Good)
14 (Good)
10 (Good)
data source »
PT02018
Wednesday, January 17, 2024, 7:00 AM
NO2 1 (Good)
nitrogen dioxide (NO2)
O3 64 (Good)
ozone (O3)
PM10 29 (Moderate)
particulate matter (PM10) suspended dust
PT02018
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
72
50
55
36
43
39
26
35
pm10
26
17
14
17
18
14
19
18
no2
0
0.21
0.58
0.75
1.8
4.6
12
5.1
PT02018
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
pm10
17
15
32
35
32
25
19
19
20
15
20
14
19
17
23
37
34
23
18
19
16
-
-
15
20
22
17
29
25
27
12
so2
0.49
1
0.28
0.25
0.14
0.23
1.7
0.46
2.3
0.35
0.89
1.9
1.6
0.33
0.53
0.64
-
4.5
0.96
0.55
5.4
0.78
0.5
3.3
3.2
0.39
0.29
0.73
121
0.17
0.32
no2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
28
11
24
9.9
6.8
20
11
8.3
14
16
14
10
o3
61
70
68
38
35
25
28
36
48
45
47
55
63
66
60
44
30
28
44
47
46
50
47
57
59
55
65
55
51
42
37
* Pollution data source:
https://openaq.org
(EEA Portugal)
The data is licensed under CC-By 4.0
NO2 1 (Good)
O3 64 (Good)
PM10 29 (Moderate)
Data on air pollution from recent days in Chousa Velha
| 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 |
26 Good |
39 Good |
43 Good |
36 Good |
55 Good |
50 Good |
72 Moderate |
| pm10 | 18 Good |
19 Good |
14 Good |
18 Good |
17 Good |
14 Good |
17 Good |
26 Moderate |
| no2 | 5 Good |
12 Good |
5 Good |
2 Good |
1 Good |
1 Good |
0 Good |
0 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 | 0.49 (Good) | 1 (Good) | 0.28 (Good) | 0.25 (Good) | 0.14 (Good) | 0.23 (Good) | 1.7 (Good) | 0.46 (Good) | 2.3 (Good) | 0.35 (Good) | 0.89 (Good) | 1.9 (Good) | 1.6 (Good) | 0.33 (Good) | 0.53 (Good) | 0.64 (Good) | - (Good) | 4.5 (Good) | 0.96 (Good) | 0.55 (Good) | 5.4 (Good) | 0.78 (Good) | 0.5 (Good) | 3.3 (Good) | 3.2 (Good) | 0.39 (Good) | 0.29 (Good) | 0.73 (Good) | 121 (Unhealthy for Sensitive Groups) | 0.17 (Good) | 0.32 (Good) |
| pm10 | 17 (Good) | 15 (Good) | 32 (Moderate) | 35 (Moderate) | 32 (Moderate) | 25 (Moderate) | 19 (Good) | 19 (Good) | 20 (Moderate) | 15 (Good) | 20 (Good) | 14 (Good) | 19 (Good) | 17 (Good) | 23 (Moderate) | 37 (Moderate) | 34 (Moderate) | 23 (Moderate) | 18 (Good) | 19 (Good) | 16 (Good) | - (Good) | - (Good) | 15 (Good) | 20 (Good) | 22 (Moderate) | 17 (Good) | 29 (Moderate) | 25 (Moderate) | 27 (Moderate) | 12 (Good) |
| o3 | 61 (Good) | 70 (Good) | 68 (Good) | 38 (Good) | 35 (Good) | 25 (Good) | 28 (Good) | 36 (Good) | 48 (Good) | 45 (Good) | 47 (Good) | 55 (Good) | 63 (Good) | 66 (Good) | 60 (Good) | 44 (Good) | 30 (Good) | 28 (Good) | 44 (Good) | 47 (Good) | 46 (Good) | 50 (Good) | 47 (Good) | 57 (Good) | 59 (Good) | 55 (Good) | 65 (Good) | 55 (Good) | 51 (Good) | 42 (Good) | 37 (Good) |
| no2 | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 28 (Good) | 11 (Good) | 24 (Good) | 9.9 (Good) | 6.8 (Good) | 20 (Good) | 11 (Good) | 8.3 (Good) | 14 (Good) | 16 (Good) | 14 (Good) | 10 (Good) |
NO2 1 (Good)
nitrogen dioxide (NO2)O3 64 (Good)
ozone (O3)PM10 29 (Moderate)
particulate matter (PM10) suspended dustPT02018
| 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 | 72 | 50 | 55 | 36 | 43 | 39 | 26 | 35 |
| pm10 | 26 | 17 | 14 | 17 | 18 | 14 | 19 | 18 |
| no2 | 0 | 0.21 | 0.58 | 0.75 | 1.8 | 4.6 | 12 | 5.1 |
PT02018
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 17 | 15 | 32 | 35 | 32 | 25 | 19 | 19 | 20 | 15 | 20 | 14 | 19 | 17 | 23 | 37 | 34 | 23 | 18 | 19 | 16 | - | - | 15 | 20 | 22 | 17 | 29 | 25 | 27 | 12 |
| so2 | 0.49 | 1 | 0.28 | 0.25 | 0.14 | 0.23 | 1.7 | 0.46 | 2.3 | 0.35 | 0.89 | 1.9 | 1.6 | 0.33 | 0.53 | 0.64 | - | 4.5 | 0.96 | 0.55 | 5.4 | 0.78 | 0.5 | 3.3 | 3.2 | 0.39 | 0.29 | 0.73 | 121 | 0.17 | 0.32 |
| no2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 28 | 11 | 24 | 9.9 | 6.8 | 20 | 11 | 8.3 | 14 | 16 | 14 | 10 |
| o3 | 61 | 70 | 68 | 38 | 35 | 25 | 28 | 36 | 48 | 45 | 47 | 55 | 63 | 66 | 60 | 44 | 30 | 28 | 44 | 47 | 46 | 50 | 47 | 57 | 59 | 55 | 65 | 55 | 51 | 42 | 37 |