Air Pollution in Portcé: Real-time Air Quality Index and smog alert.

Current data from stations: FR23110
Locations: « Saint-Nazaire Portcé
Pollution and air quality forecast for Portcé. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Portcé:
  1. ozone (O3) - 70 (Moderate)
  2. nitrogen dioxide (NO2) - 3 (Good)
Real-time Air Quality Index (AQI) for Portcé, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Portcé today? Is the air polluted in Portcé?. Is there smog?

Today (Wednesday, January 17, 2024) air quality is moderate in Portcé. Some pollutants in Portcé may slightly affect very few hypersensitive individuals. Air pollutants in Portcé may cause minor breathing discomfort to sensitive people.


How is the O3 level today in Portcé? (ozone (O3))
70 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
3 (Good)



Current data Wednesday, January 17, 2024, 6:00 AM

0 (Good)

O3 70 (Moderate)

NO2 3 (Good)

Data on air pollution from recent days in Portcé

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 16
Good
27
Good
49
Good
39
Good
23
Good
34
Good
46
Good
35
Good
no 4
Good
4
Good
2
Good
2
Good
2
Good
4
Good
2
Good
1
Good
no2 16
Good
15
Good
13
Good
12
Good
12
Good
20
Good
15
Good
8
Good
data source »
Air pollution in Portcé from September 2017 to May 2020
pollution pm25 hikersbay.com
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 8.4 (Good) 13 (Moderate) 12 (Good) 6.8 (Good) 11 (Good) 9.3 (Good) 6.8 (Good) 5.8 (Good) 4.5 (Good) 6.1 (Good) 6.6 (Good) 6.5 (Good) 7 (Good) 11 (Good) 9.3 (Good) 18 (Moderate) 9.9 (Good) 9.9 (Good) 12 (Good) 9.2 (Good) 6.9 (Good) 5.3 (Good) 6.2 (Good) 7.2 (Good) 11 (Good) 7.8 (Good) 6.9 (Good) 9.4 (Good) 6.7 (Good) 7.8 (Good) 10 (Good) 7.8 (Good) 6.2 (Good)
pm10 16 (Good) 18 (Good) 18 (Good) 21 (Moderate) 19 (Good) 17 (Good) 13 (Good) 15 (Good) 15 (Good) 14 (Good) 13 (Good) 16 (Good) 16 (Good) 21 (Moderate) 21 (Moderate) 28 (Moderate) 15 (Good) 15 (Good) 17 (Good) 14 (Good) 15 (Good) 11 (Good) 12 (Good) 12 (Good) 19 (Good) 15 (Good) 15 (Good) 16 (Good) 12 (Good) 15 (Good) 15 (Good) 16 (Good) 15 (Good)
no2 4.8 (Good) 6 (Good) 7.7 (Good) 6.8 (Good) 11 (Good) 10 (Good) 10 (Good) 6.9 (Good) 5.7 (Good) 5.1 (Good) 6.1 (Good) 6 (Good) 7.9 (Good) 9.9 (Good) 9.9 (Good) 22 (Good) 15 (Good) 9.9 (Good) 14 (Good) 13 (Good) 8.8 (Good) 5.2 (Good) 4.9 (Good) 7.8 (Good) 7.2 (Good) 9 (Good) 7.9 (Good) 13 (Good) 11 (Good) 15 (Good) 14 (Good) 9 (Good) 11 (Good)
o3 60 (Good) 73 (Moderate) 71 (Moderate) 71 (Moderate) 56 (Good) 56 (Good) 53 (Good) 55 (Good) 60 (Good) 63 (Good) 73 (Moderate) 69 (Good) 72 (Moderate) 77 (Moderate) 75 (Moderate) 46 (Good) 51 (Good) 53 (Good) 43 (Good) 45 (Good) 59 (Good) 55 (Good) 67 (Good) 64 (Good) 84 (Moderate) 74 (Moderate) 74 (Moderate) 58 (Good) 59 (Good) 53 (Good) 47 (Good) 51 (Good) 48 (Good)
data source »

FR23110

Wednesday, January 17, 2024, 6:00 AM

0.3 (Good)

index_name_no

O3 70 (Good)

ozone (O3)

NO2 2.6 (Good)

nitrogen dioxide (NO2)

FR23110

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 35 46 34 23 39 49 27 16
no 0.55 2.1 3.9 2.4 1.6 1.8 3.8 4.4
no2 7.8 15 20 12 12 13 15 16

FR23110

2017-09   2020-05
pollution pm25 hikersbay.com
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 8.4 13 12 6.8 11 9.3 6.8 5.8 4.5 6.1 6.6 6.5 7 11 9.3 18 9.9 9.9 12 9.2 6.9 5.3 6.2 7.2 11 7.8 6.9 9.4 6.7 7.8 10 7.8 6.2
pm10 16 18 18 21 19 17 13 15 15 14 13 16 16 21 21 28 15 15 17 14 15 11 12 12 19 15 15 16 12 15 15 16 15
no2 4.8 6 7.7 6.8 11 10 10 6.9 5.7 5.1 6.1 6 7.9 9.9 9.9 22 15 9.9 14 13 8.8 5.2 4.9 7.8 7.2 9 7.9 13 11 15 14 9 11
o3 60 73 71 71 56 56 53 55 60 63 73 69 72 77 75 46 51 53 43 45 59 55 67 64 84 74 74 58 59 53 47 51 48

* Pollution data source: https://openaq.org (EEA France) The data is licensed under CC-By 4.0