Right now
The most recent data we hold from World Air Quality Index arrived 9 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by World Air Quality Index 2 days ago.
It is the strongest of the 6 detections recorded within 20 km of this point since 1 May 2026. The last comparable one was on 28 May 2026.
What the source measured
World Air Quality Index reported: AQI 157 (Unhealthy) at Woodworking Factory, Weihai (威海木工机械厂)
The air quality index read 157 (Unhealthy) at the Woodworking Factory, Weihai (威海木工机械厂) 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 29 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 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) | 29 / 100 |
| Legacy data-support index | 0.46/1 |
| Coordinates | 37.3245, 122.1558 |
| Nearest City | Tianfu (12 km) |
| Urban exposure index (PEI) | 0 within 5 km |
| Impact Tier | minor |
| Timestamp | 2026-09-13T12:00:00.000Z |
| Source | https://aqicn.org/city/@590 |
Physical priority index · v4 (historical). 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: 2026-09-13T12:00:00.000Z.
First archived: 2026-09-13T13:07:36.145Z. 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 | 157 |
| AqiCategory | Unhealthy |
| StationName | Woodworking Factory, Weihai (威海木工机械厂) |
| StationUid | 590 |
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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