Calamity
criticalAir QualityCalamity Score: 26

Hazardous Air Quality (AQI 999)

12d agoChangjiChinaSource: waqi

AQI 999 (Hazardous) at New government center, Sanji (昌吉州新区政务中心)

Geographic Context

This air quality event occurred near Changji (approximately 3 km away) in China, an area that experiences a range of natural hazards. An estimated 42.3K people live within 5 km of the event location, placing this in the "significant" population impact tier.

Event Assessment

This event is a air quality event classified as critical severity. Calamity.live has classified it as "critical" severity with a severity value of 100. The computed Calamity Score is 26 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), population (40), intensity (15). Data for this event was sourced from waqi, one of the 250 scientific monitoring sources aggregated by Calamity.live.

Regional Monitoring Context

China has a documented history of air quality events. Monitoring for air quality events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.

Event Data

TypeAir Quality
Severitycritical
Severity Value100
Calamity Score26 / 100
Confidence64%
Coordinates44.0297, 87.2717
Nearest CityChangji (3 km)
Population Exposed42.3K within 5 km
Impact Tiersignificant
Timestamp2026-05-28T21:00:00.000Z
Sourcehttps://aqicn.org/city/@7235

Score Breakdown

15
intensity
40
population
0
cascading
80
historical

Technical Details

Aqi999
AqiCategoryHazardous
StationNameNew government center, Sanji (昌吉州新区政务中心)
StationUid7235

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

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 26/100, near Changji (China), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.