Calamity
MediumAir QualityCalamity Score: 59

Air Quality near Soho

WestminsterUnited KingdomWorld Air Quality Index

Right now

The most recent data we hold from World Air Quality Index arrived 2 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 today.

It is the strongest of the 13 detections recorded within 20 km of this point since 9 March 2026. The last comparable one was on 29 August 2026.

What the source measured

World Air Quality Index reported: AQI 194 (Unhealthy) at Regent Street (The Crown Estate), new

The air quality index read 194 (Unhealthy) at the Regent Street (The Crown Estate), new station.

An estimated 6,187,446 people live within 5 km of this point.

Nearby, since 9 March 2026

How we know

One source: World Air Quality Index. Not yet confirmed by a second, independent source.

Our own score for this event is 59 out of 100, at 64 % 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

TypeAir Quality
SeverityMedium
Calamity Score (ours)59 / 100
Our confidence64%
Coordinates51.5114, -0.1392
Nearest CitySoho (0 km)
Population Exposed6.2M within 5 km
Impact Tiersignificant
Timestamp2026-09-05T21:00:00.000Z
Sourcehttps://aqicn.org/city/@-522583

Score Breakdown

65
intensity
100
population
0
cascading
33
historical

Technical Details

Aqi194
AqiCategoryUnhealthy
StationNameRegent Street (The Crown Estate), new
StationUid-522583

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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Calamity.live data shows a air quality event with CalamityScore 59/100, near Soho (United Kingdom), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.