Right now
The most recent data we hold from World Air Quality Index arrived 58 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 4th strongest of the 6 detections recorded within 20 km of this point since 31 May 2026. The last comparable one was on 5 September 2026.
What the source measured
World Air Quality Index reported: AQI 175 (Unhealthy) at Agrabad CDA Residential Area
The air quality index read 175 (Unhealthy) at the Agrabad CDA Residential Area station.
An estimated 677,149 people live within 5 km of this point.
This is the lowest air quality index we have recorded at this point, over 29 readings since 6 September 2026 — the previous range was 175 to 263.
Nearby, since 31 May 2026
- September 5, 2026 · score 68 · 0.0 km
- September 4, 2026 · score 55 · 0.0 km
- September 3, 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 55 out of 100, at 59 % 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 | 59% |
| Coordinates | 22.3230, 91.8023 |
| Nearest City | Chattogram (3 km) |
| Population Exposed | 677.1K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-06T15:00:00.000Z |
| Source | https://aqicn.org/city/@-538633 |
Score Breakdown
Technical Details
| Aqi | 175 |
| AqiCategory | Unhealthy |
| StationName | Agrabad CDA Residential Area |
| StationUid | -538633 |
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 Chattogram?
Calamity.live data shows a air quality event with CalamityScore 55/100, near Chattogram (Bangladesh), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.