Air Quality near Marseille 03
Reported by World Air Quality Index today.
It is the 3rd strongest of the 17 detections recorded within 20 km of this point since 8 April 2026. The last comparable one was on 3 September 2026.
What the source measured
World Air Quality Index reported: AQI 159 (Unhealthy) at Rue Longue Des Capucins
The air quality index read 159 (Unhealthy) at the Rue Longue Des Capucins station.
An estimated 826,746 people live within 5 km of this point.
This is the highest air quality index we have recorded at this point, over 17 readings since 4 September 2026 — the previous range was 153 to 159.
Nearby, since 8 April 2026
- September 4, 2026 · score 55 · 0.5 km
- September 3, 2026 · score 68 · 0.5 km
- September 2, 2026 · score 62 · 0.5 km
How we know
One source: World Air Quality Index. Not yet confirmed by a second, independent source.
Our own score for this event is 55 out of 100, at 66 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | Medium |
| Calamity Score (ours) | 55 / 100 |
| Our confidence | 66% |
| Coordinates | 43.2956, 5.3794 |
| Nearest City | Marseille 03 (0 km) |
| Population Exposed | 826.7K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T13:26:31.000Z |
| Source | https://aqicn.org/city/@-501208 |
Score Breakdown
Technical Details
| Aqi | 159 |
| AqiCategory | Unhealthy |
| StationName | Rue Longue Des Capucins |
| StationUid | -501208 |
Safety Information
When air quality is hazardous: stay indoors with windows closed, and run a filtered air purifier if you have one. Avoid outdoor exercise. Children, older adults and anyone with heart or lung conditions are affected first and worst — an N95 respirator helps outdoors, a cloth mask does not.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Marseille 03?
Calamity.live data shows a air quality event with CalamityScore 55/100, near Marseille 03 (France), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.