Right now
The most recent data we hold from World Air Quality Index arrived 10 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, <1 km from here.
Reported by World Air Quality Index yesterday.
It is the 2nd strongest of the 10 detections recorded within 20 km of this point since 2 September 2026. The last comparable one was on 16 September 2026. 5 more were recorded here in the fortnight before it.
What the source measured
World Air Quality Index reported: AQI 219 (Very Unhealthy) at Samarinda, Indonesia
The air quality index read 219 (Very Unhealthy) at the Samarinda, Indonesia station.
Urban PEI: 504,801 within a heuristic 5 km radius; not unique people.
This is the lowest air quality index we have recorded at this point, over 149 readings since 17 September 2026 — the previous range was 219 to 255.
Nearby, since 2 September 2026
- September 18, 2026 · score 55 · 0.0 km
- September 16, 2026 · score 55 · 0.0 km
- September 14, 2026 · score 68 · 0.0 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 62 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | High |
| Calamity Score (ours) | 62 / 100 |
| Legacy data-support index | 0.65/1 |
| Coordinates | -0.4825, 117.1563 |
| Nearest City | Samarinda (1 km) |
| Urban exposure index (PEI) | 504.8K within 5 km |
| Impact Tier | severe |
| Timestamp | 2026-09-17T19:00:00.000Z |
| Source | https://aqicn.org/city/@8293 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: waqi. Occurrence: 2026-09-17T19:00:00.000Z.
First archived: 2026-09-17T16:21:19.525Z. Material modification: 2026-09-17T20:54:56.921Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Aqi | 219 |
| AqiCategory | Very Unhealthy |
| StationName | Samarinda, Indonesia |
| StationUid | 8293 |
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.
Review the area, threshold and delivery channel in your account.
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