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Boulogne-sur-Mer (Hauts-de-France) (FR)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Light rain
10°C
Light rain
Humidity
97.9%
Wind
10 m/s
Pressure
1017.4 hPa
Direction
235°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
10° / 13°
Precip.
0.1mm
Max wind
11.4 m/s

Hourly Forecast

23.02
Now
Weather
10°
0.1
10
23.02
20:00
Weather
10°
11
23.02
21:00
Weather
11°
11
23.02
22:00
Weather
11°
11
23.02
23:00
Weather
11°
11
24.02
00:00
Weather
11°
10
24.02
01:00
Weather
11°
8
24.02
02:00
Weather
10°
7
24.02
03:00
Weather
10°
7
24.02
04:00
Weather
10°
7
24.02
05:00
Weather
10°
7
24.02
06:00
Weather
10°
8
24.02
07:00
Weather
10°
6
24.02
08:00
Weather
10°
5
24.02
09:00
Weather
11°
6
24.02
10:00
Weather
11°
6
24.02
11:00
Weather
11°
6
24.02
12:00
Weather
12°
5
24.02
13:00
Weather
12°
24.02
14:00
Weather
13°
24.02
15:00
Weather
13°
24.02
16:00
Weather
13°
24.02
17:00
Weather
12°
24.02
18:00
Weather
12°

Temperature

13°C
10°C
19:00
10°C
20:00
10°C
21:00
11°C
22:00
11°C
23:00
11°C
00:00
11°C
01:00
11°C
02:00
10°C
03:00
10°C
04:00
10°C
05:00
10°C
06:00
10°C
07:00
10°C
08:00
10°C
09:00
11°C
10:00
11°C
11:00
11°C
12:00
12°C
13:00
12°C
14:00
13°C
15:00
13°C
16:00
13°C
17:00
12°C
18:00
12°C
19:00 06:00 18:00

Precipitation

0.1mm
0mm
19:00
0.1mm
19:00 06:00 18:00

Wind

11.4m/s
0m/s
19:00
9.8 m/s
20:00
11.1 m/s
21:00
11.1 m/s
22:00
11.4 m/s
23:00
11.4 m/s
00:00
10 m/s
01:00
8.4 m/s
02:00
7.2 m/s
03:00
6.6 m/s
04:00
6.7 m/s
05:00
7.4 m/s
06:00
7.5 m/s
07:00
6.2 m/s
08:00
5.3 m/s
09:00
6.3 m/s
10:00
6.3 m/s
11:00
6.1 m/s
12:00
5.3 m/s
13:00
5 m/s
14:00
4.1 m/s
15:00
3.3 m/s
16:00
3.1 m/s
17:00
3.4 m/s
18:00
3.6 m/s
19:00 06:00 18:00

Radiation

0.062 uSv
13.2 km
7.8%

Measurement time: 2026-02-23 17:00

source: remap_europe

Air quality

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
87.4 km
13
4.3%

Measurement time: 2026-02-23 20:07

Calculated from PM2.5/PM10

O3
81.1 km
78.44 µg/m3
49%

Measurement time: 2026-02-23 18:26

source: OpenWeatherMap

PM10
87.4 km
5.94 µg/m3
4.2%

Measurement time: 2026-02-23 20:07

source: OpenWeatherMap

PM2.5
87.4 km
3.19 µg/m3
3.8%

Measurement time: 2026-02-23 20:07

source: OpenWeatherMap

NO2
87.4 km
6.29 µg/m3
3.1%

Measurement time: 2026-02-23 20:07

source: OpenWeatherMap

CO
81.1 km
0.13617 mg/m3
1%

Measurement time: 2026-02-23 18:26

source: OpenWeatherMap

SO2
87.4 km
2.1 µg/m3
0.6%

Measurement time: 2026-02-23 20:07

source: OpenWeatherMap

Info

Country: France
Region: Hauts-de-France
Latitude: 50.71667
Longitude: 1.61667

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About Air Quality in Boulogne-sur-Mer

Air quality in Boulogne-sur-Mer is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Boulogne-sur-Mer

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Boulogne-sur-Mer?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Boulogne-sur-Mer

If you're planning outdoor activities in Boulogne-sur-Mer, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.