Right now
The most recent data we hold from World Air Quality Index arrived 4 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Reported by World Air Quality Index yesterday.
What the source measured
World Air Quality Index reported: AQI 342 (Hazardous) at Bierspruit, Swartklip, South Africa
The air quality index read 342 (Hazardous) at the Bierspruit, Swartklip, South Africa station.
How we know
One source: World Air Quality Index. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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 | Critical |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.45/1 |
| Coordinates | -24.9104, 27.1466 |
| Nearest City | Northam (14 km) |
| Urban exposure index (PEI) | 0 within 5 km |
| Impact Tier | minor |
| Timestamp | 2026-09-16T18:00:00.000Z |
| Source | https://aqicn.org/city/@14938 |
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: 2026-09-16T18:00:00.000Z.
First archived: 2026-09-16T19:07:29.074Z. Material modification: not recorded.
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 | 342 |
| AqiCategory | Hazardous |
| StationName | Bierspruit, Swartklip, South Africa |
| StationUid | 14938 |
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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