Air Pollution in Sainte-Hélène: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Sainte-Hélène. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Sainte-Hélène:- nitrogen dioxide (NO2) - 37 (Good)
- particulate matter (PM10) suspended dust - 22 (Moderate)
- particulate matter (PM2.5) dust - 7 (Good)
What is the air quality in Sainte-Hélène today? Is the air polluted in Sainte-Hélène?. Is there smog?
How high is the level of NO2? (nitrogen dioxide (NO2))
37 (Good)
What is the level of PM10 today in Sainte-Hélène? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Sainte-Hélène is:
22 (Moderate)
The highest PM10 values usually occur in month: 46 (February 2019).
The lowest value of particulate matter PM10 pollution in Sainte-Hélène is usually recorded in: December (19).
What is the current level of PM2.5 in Sainte-Hélène? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
7 (Good)
For comparison, the highest level of PM2.5 in Sainte-Hélène in the last 7 days was: 12 (Wednesday, January 10, 2024) and the lowest: 6 (Friday, January 12, 2024).
The highest PM2.5 values were recorded: 17 (June 2019).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (6.5).
Current data Wednesday, January 17, 2024, 9:00 AM
NO2 37 (Good)
26 (Good)
PM10 22 (Moderate)
PM2,5 7 (Good)
Data on air pollution from recent days in Sainte-Hélène
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
no
17
Good
12
Good
15
Good
11
Good
9
Good
16
Good
13
Good
11
Good
no2
24
Good
25
Good
26
Good
27
Good
21
Good
30
Good
29
Good
22
Good
pm25
12
Good
8
Good
6
Good
11
Good
10
Good
12
Good
11
Good
8
Good
pm10
25
Moderate
20
Moderate
16
Good
20
Moderate
17
Good
22
Moderate
22
Moderate
16
Good
data source »
Air pollution in Sainte-Hélène 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
2017-12
2017-11
2017-10
2017-09
pm25
6.5 (Good)
11 (Good)
12 (Good)
12 (Good)
14 (Moderate)
13 (Good)
9.7 (Good)
14 (Moderate)
10 (Good)
13 (Good)
15 (Moderate)
17 (Moderate)
11 (Good)
12 (Good)
12 (Good)
14 (Moderate)
12 (Good)
11 (Good)
9.8 (Good)
13 (Moderate)
13 (Moderate)
13 (Good)
14 (Moderate)
12 (Good)
13 (Good)
15 (Moderate)
13 (Good)
14 (Moderate)
15 (Moderate)
12 (Good)
14 (Moderate)
15 (Moderate)
14 (Moderate)
pm10
24 (Moderate)
29 (Moderate)
32 (Moderate)
28 (Moderate)
27 (Moderate)
28 (Moderate)
22 (Moderate)
30 (Moderate)
27 (Moderate)
29 (Moderate)
34 (Moderate)
40 (Moderate)
30 (Moderate)
29 (Moderate)
33 (Moderate)
46 (Moderate)
22 (Moderate)
19 (Good)
26 (Moderate)
31 (Moderate)
29 (Moderate)
26 (Moderate)
31 (Moderate)
27 (Moderate)
30 (Moderate)
38 (Moderate)
35 (Moderate)
25 (Moderate)
37 (Moderate)
27 (Moderate)
27 (Moderate)
28 (Moderate)
25 (Moderate)
no2
14 (Good)
14 (Good)
28 (Good)
39 (Good)
37 (Good)
34 (Good)
31 (Good)
31 (Good)
29 (Good)
35 (Good)
40 (Good)
42 (Moderate)
36 (Good)
41 (Moderate)
42 (Moderate)
45 (Moderate)
40 (Good)
32 (Good)
30 (Good)
35 (Good)
41 (Moderate)
40 (Good)
42 (Moderate)
42 (Moderate)
45 (Moderate)
47 (Moderate)
45 (Moderate)
41 (Moderate)
37 (Good)
40 (Moderate)
42 (Moderate)
44 (Moderate)
59 (Moderate)
data source »
FR24035
Wednesday, January 17, 2024, 9:00 AM
NO2 37 (Good)
nitrogen dioxide (NO2)
26 (Good)
index_name_no
PM10 22 (Moderate)
particulate matter (PM10) suspended dust
PM2,5 7.3 (Good)
particulate matter (PM2.5) dust
FR24035
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
no
11
13
16
8.7
11
15
12
17
no2
22
29
30
21
27
26
25
24
pm25
8.4
11
12
10
11
5.7
8.1
12
pm10
16
22
22
17
20
16
20
25
FR24035
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
2017-12
2017-11
2017-10
2017-09
pm25
6.5
11
12
12
14
13
9.7
14
10
13
15
17
11
12
12
14
12
11
9.8
13
13
13
14
12
13
15
13
14
15
12
14
15
14
pm10
24
29
32
28
27
28
22
30
27
29
34
40
30
29
33
46
22
19
26
31
29
26
31
27
30
38
35
25
37
27
27
28
25
no2
14
14
28
39
37
34
31
31
29
35
40
42
36
41
42
45
40
32
30
35
41
40
42
42
45
47
45
41
37
40
42
44
59
* Pollution data source:
https://openaq.org
(EEA France)
The data is licensed under CC-By 4.0
NO2 37 (Good)
26 (Good)
PM10 22 (Moderate)
PM2,5 7 (Good)
Data on air pollution from recent days in Sainte-Hélène
| 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 |
|---|---|---|---|---|---|---|---|---|
| no | 17 Good |
12 Good |
15 Good |
11 Good |
9 Good |
16 Good |
13 Good |
11 Good |
| no2 | 24 Good |
25 Good |
26 Good |
27 Good |
21 Good |
30 Good |
29 Good |
22 Good |
| pm25 | 12 Good |
8 Good |
6 Good |
11 Good |
10 Good |
12 Good |
11 Good |
8 Good |
| pm10 | 25 Moderate |
20 Moderate |
16 Good |
20 Moderate |
17 Good |
22 Moderate |
22 Moderate |
16 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 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 6.5 (Good) | 11 (Good) | 12 (Good) | 12 (Good) | 14 (Moderate) | 13 (Good) | 9.7 (Good) | 14 (Moderate) | 10 (Good) | 13 (Good) | 15 (Moderate) | 17 (Moderate) | 11 (Good) | 12 (Good) | 12 (Good) | 14 (Moderate) | 12 (Good) | 11 (Good) | 9.8 (Good) | 13 (Moderate) | 13 (Moderate) | 13 (Good) | 14 (Moderate) | 12 (Good) | 13 (Good) | 15 (Moderate) | 13 (Good) | 14 (Moderate) | 15 (Moderate) | 12 (Good) | 14 (Moderate) | 15 (Moderate) | 14 (Moderate) |
| pm10 | 24 (Moderate) | 29 (Moderate) | 32 (Moderate) | 28 (Moderate) | 27 (Moderate) | 28 (Moderate) | 22 (Moderate) | 30 (Moderate) | 27 (Moderate) | 29 (Moderate) | 34 (Moderate) | 40 (Moderate) | 30 (Moderate) | 29 (Moderate) | 33 (Moderate) | 46 (Moderate) | 22 (Moderate) | 19 (Good) | 26 (Moderate) | 31 (Moderate) | 29 (Moderate) | 26 (Moderate) | 31 (Moderate) | 27 (Moderate) | 30 (Moderate) | 38 (Moderate) | 35 (Moderate) | 25 (Moderate) | 37 (Moderate) | 27 (Moderate) | 27 (Moderate) | 28 (Moderate) | 25 (Moderate) |
| no2 | 14 (Good) | 14 (Good) | 28 (Good) | 39 (Good) | 37 (Good) | 34 (Good) | 31 (Good) | 31 (Good) | 29 (Good) | 35 (Good) | 40 (Good) | 42 (Moderate) | 36 (Good) | 41 (Moderate) | 42 (Moderate) | 45 (Moderate) | 40 (Good) | 32 (Good) | 30 (Good) | 35 (Good) | 41 (Moderate) | 40 (Good) | 42 (Moderate) | 42 (Moderate) | 45 (Moderate) | 47 (Moderate) | 45 (Moderate) | 41 (Moderate) | 37 (Good) | 40 (Moderate) | 42 (Moderate) | 44 (Moderate) | 59 (Moderate) |
NO2 37 (Good)
nitrogen dioxide (NO2)26 (Good)
index_name_noPM10 22 (Moderate)
particulate matter (PM10) suspended dustPM2,5 7.3 (Good)
particulate matter (PM2.5) dustFR24035
| 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 |
|---|---|---|---|---|---|---|---|---|
| no | 11 | 13 | 16 | 8.7 | 11 | 15 | 12 | 17 |
| no2 | 22 | 29 | 30 | 21 | 27 | 26 | 25 | 24 |
| pm25 | 8.4 | 11 | 12 | 10 | 11 | 5.7 | 8.1 | 12 |
| pm10 | 16 | 22 | 22 | 17 | 20 | 16 | 20 | 25 |
FR24035
| 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 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 6.5 | 11 | 12 | 12 | 14 | 13 | 9.7 | 14 | 10 | 13 | 15 | 17 | 11 | 12 | 12 | 14 | 12 | 11 | 9.8 | 13 | 13 | 13 | 14 | 12 | 13 | 15 | 13 | 14 | 15 | 12 | 14 | 15 | 14 |
| pm10 | 24 | 29 | 32 | 28 | 27 | 28 | 22 | 30 | 27 | 29 | 34 | 40 | 30 | 29 | 33 | 46 | 22 | 19 | 26 | 31 | 29 | 26 | 31 | 27 | 30 | 38 | 35 | 25 | 37 | 27 | 27 | 28 | 25 |
| no2 | 14 | 14 | 28 | 39 | 37 | 34 | 31 | 31 | 29 | 35 | 40 | 42 | 36 | 41 | 42 | 45 | 40 | 32 | 30 | 35 | 41 | 40 | 42 | 42 | 45 | 47 | 45 | 41 | 37 | 40 | 42 | 44 | 59 |