Air Pollution in Viana do Castelo: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Viana do Castelo. Today is Thursday, April 25, 2024. The following air pollution values have been recorded for Viana do Castelo:- nitrogen dioxide (NO2) - 1 (Good)
- ozone (O3) - 68 (Good)
What is the air quality in Viana do Castelo today? Is the air polluted in Viana do Castelo?. Is there smog?
Today (Tuesday, January 16, 2024) air quality is good.
The air quality has no effect on health. Everyone can continue their outdoor activities normally in Viana do Castelo.
How high is the level of NO2? (nitrogen dioxide (NO2))
1 (Good)
How is the O3 level today in Viana do Castelo? (ozone (O3))
68 (Good)
Current data Tuesday, January 16, 2024, 1:00 AM
NO2 1 (Good)
O3 68 (Good)
Data on air pollution from recent days in Viana do Castelo
index
2024-01-10
2024-01-11
2024-01-12
2024-01-13
2024-01-14
2024-01-15
2024-01-16
no2
1
Good
1
Good
1
Good
1
Good
3
Good
1
Good
1
Good
o3
72
Moderate
60
Good
67
Good
69
Good
-
Good
-
Good
-
Good
data source »
Air pollution in Viana do Castelo from May 2018 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
no2
6.2 (Good)
5.5 (Good)
9 (Good)
9.8 (Good)
11 (Good)
9.9 (Good)
8.3 (Good)
7.3 (Good)
6.7 (Good)
6.7 (Good)
9.3 (Good)
7.8 (Good)
7.2 (Good)
22 (Good)
26 (Good)
6.6 (Good)
9.3 (Good)
14 (Good)
8.9 (Good)
8.1 (Good)
9.6 (Good)
5.5 (Good)
4.7 (Good)
4.7 (Good)
2.3 (Good)
o3
35 (Good)
46 (Good)
47 (Good)
49 (Good)
47 (Good)
44 (Good)
33 (Good)
44 (Good)
26 (Good)
- (Good)
- (Good)
33 (Good)
59 (Good)
63 (Good)
55 (Good)
67 (Good)
50 (Good)
51 (Good)
58 (Good)
51 (Good)
55 (Good)
54 (Good)
49 (Good)
37 (Good)
65 (Good)
pm10
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
9 (Good)
14 (Good)
10 (Good)
9.9 (Good)
11 (Good)
14 (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
data source »
PT01047
Tuesday, January 16, 2024, 1:00 AM
NO2 1 (Good)
nitrogen dioxide (NO2)
O3 68 (Good)
ozone (O3)
PT01047
index
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
no2
1.1
1.3
3.4
1.4
1.5
1.1
1.2
o3
-
-
-
69
67
60
72
PT01047
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
no2
6.2
5.5
9
9.8
11
9.9
8.3
7.3
6.7
6.7
9.3
7.8
7.2
22
26
6.6
9.3
14
8.9
8.1
9.6
5.5
4.7
4.7
2.3
o3
35
46
47
49
47
44
33
44
26
-
-
33
59
63
55
67
50
51
58
51
55
54
49
37
65
pm10
-
-
-
-
-
-
-
-
-
9
14
10
9.9
11
14
-
-
-
-
-
-
-
-
-
-
* Pollution data source:
https://openaq.org
(EEA Portugal)
The data is licensed under CC-By 4.0
NO2 1 (Good)
O3 68 (Good)
Data on air pollution from recent days in Viana do Castelo
| index | 2024-01-10 | 2024-01-11 | 2024-01-12 | 2024-01-13 | 2024-01-14 | 2024-01-15 | 2024-01-16 |
|---|---|---|---|---|---|---|---|
| no2 | 1 Good |
1 Good |
1 Good |
1 Good |
3 Good |
1 Good |
1 Good |
| o3 | 72 Moderate |
60 Good |
67 Good |
69 Good |
- Good |
- Good |
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 6.2 (Good) | 5.5 (Good) | 9 (Good) | 9.8 (Good) | 11 (Good) | 9.9 (Good) | 8.3 (Good) | 7.3 (Good) | 6.7 (Good) | 6.7 (Good) | 9.3 (Good) | 7.8 (Good) | 7.2 (Good) | 22 (Good) | 26 (Good) | 6.6 (Good) | 9.3 (Good) | 14 (Good) | 8.9 (Good) | 8.1 (Good) | 9.6 (Good) | 5.5 (Good) | 4.7 (Good) | 4.7 (Good) | 2.3 (Good) |
| o3 | 35 (Good) | 46 (Good) | 47 (Good) | 49 (Good) | 47 (Good) | 44 (Good) | 33 (Good) | 44 (Good) | 26 (Good) | - (Good) | - (Good) | 33 (Good) | 59 (Good) | 63 (Good) | 55 (Good) | 67 (Good) | 50 (Good) | 51 (Good) | 58 (Good) | 51 (Good) | 55 (Good) | 54 (Good) | 49 (Good) | 37 (Good) | 65 (Good) |
| pm10 | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 9 (Good) | 14 (Good) | 10 (Good) | 9.9 (Good) | 11 (Good) | 14 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
NO2 1 (Good)
nitrogen dioxide (NO2)O3 68 (Good)
ozone (O3)PT01047
| index | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|
| no2 | 1.1 | 1.3 | 3.4 | 1.4 | 1.5 | 1.1 | 1.2 |
| o3 | - | - | - | 69 | 67 | 60 | 72 |
PT01047
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 6.2 | 5.5 | 9 | 9.8 | 11 | 9.9 | 8.3 | 7.3 | 6.7 | 6.7 | 9.3 | 7.8 | 7.2 | 22 | 26 | 6.6 | 9.3 | 14 | 8.9 | 8.1 | 9.6 | 5.5 | 4.7 | 4.7 | 2.3 |
| o3 | 35 | 46 | 47 | 49 | 47 | 44 | 33 | 44 | 26 | - | - | 33 | 59 | 63 | 55 | 67 | 50 | 51 | 58 | 51 | 55 | 54 | 49 | 37 | 65 |
| pm10 | - | - | - | - | - | - | - | - | - | 9 | 14 | 10 | 9.9 | 11 | 14 | - | - | - | - | - | - | - | - | - | - |