Air Quality near Marseille 03
Right now
The most recent data we hold from World Air Quality Index arrived 39 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by World Air Quality Index today.
It is the 5th strongest of the 24 detections recorded within 20 km of this point since 8 April 2026. The last comparable one was on 11 September 2026. 10 more were recorded here in the fortnight before it.
What the source measured
World Air Quality Index reported: AQI 157 (Unhealthy) at Rue Longue Des Capucins
The air quality index read 157 (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 11 readings since 13 September 2026 — the previous range was 152 to 157.
Nearby, since 8 April 2026
- September 11, 2026 · score 68 · 0.5 km
- September 10, 2026 · score 62 · 0.5 km
- September 7, 2026 · score 55 · 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 67 % 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 | 67% |
| Coordinates | 43.2956, 5.3794 |
| Nearest City | Marseille 03 (0 km) |
| Population Exposed | 826.7K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T10:24:23.000Z |
| Source | https://aqicn.org/city/@-501208 |
Score Breakdown
Technical Details
| Aqi | 157 |
| 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.
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