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Hazard

Air Quality events wherever they are reported

Live monitoring. In the 90 days to 24 September 2026, the air quality events published here were filed by WAQI Air Quality and EPA AirNow US.

Total events7,027
Organisations, 90 days2
Latest2h ago
Countries, 90 days99

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Showing 1-20 of 7,027 events

Air QualityCriticalCS:43 · v5

Hazardous Air Quality (AQI 865)

Ocotlán de MorelosMexico2026-10-162h agoAir QualityCriticalCS:43 · v5

Hazardous Air Quality (AQI 377)

Ocotlán de MorelosMexico2026-10-158h agoAir QualityMediumCS:59 · v5

Unhealthy Air Quality (AQI 165)

DelhiIndia2026-10-151d agoUrban PEI 5.7MAir QualityMediumCS:59 · v5

Unhealthy Air Quality (AQI 170)

DelhiIndia2026-10-141d agoUrban PEI 5.7MAir QualityLowCS:41 · v5

Unhealthy for Sensitive Groups Air Quality, Denver-Boulder

DenverUnited States2026-10-133d agoUrban PEI 464.5KAir QualityMediumCS:59 · v5

Unhealthy Air Quality (AQI 152)

DelhiIndia2026-10-105d agoUrban PEI 5.7MAir QualityLowCS:50 · v5

Unhealthy for Sensitive Groups Air Quality, Phoenix

PhoenixUnited States2026-10-105d agoUrban PEI 1.2MAir QualityLowCS:46 · v5

Unhealthy for Sensitive Groups Air Quality, Dallas-Fort Worth

DallasUnited States2026-10-105d agoUrban PEI 765.0KAir QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 153)

United States2026-10-105d agoAir QualityLowCS:46 · v5

Unhealthy for Sensitive Groups Air Quality, Columbus

ColumbusUnited States2026-10-106d agoUrban PEI 637.1KAir QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 152)

United States2026-10-096d agoAir QualityLowCS:41 · v5

Unhealthy for Sensitive Groups Air Quality, Denver-Boulder

DenverUnited States2026-10-096d agoUrban PEI 464.5KAir QualityLowCS:46 · v5

Unhealthy for Sensitive Groups Air Quality, Indianapolis

IndianapolisUnited States2026-10-096d agoUrban PEI 617.0KAir QualityLowCS:41 · v5

Unhealthy for Sensitive Groups Air Quality, Denver-Boulder

DenverUnited States2026-10-087d agoUrban PEI 464.5KAir QualityLowCS:50 · v5

Unhealthy for Sensitive Groups Air Quality, Central LA CO

Los AngelesUnited States2026-10-088d agoUrban PEI 2.6MAir QualityLowCS:41 · v5

Unhealthy for Sensitive Groups Air Quality, Denver-Boulder

DenverUnited States2026-10-078d agoUrban PEI 464.5KAir QualityLowCS:46 · v5

Unhealthy for Sensitive Groups Air Quality, Dallas-Fort Worth

DallasUnited States2026-10-079d agoUrban PEI 765.0KAir QualityMediumCS:37 · v5

Unhealthy Air Quality (AQI 153)

ArrecifeSpain2026-10-069d agoUrban PEI 3.1KAir QualityLowCS:41 · v5

Unhealthy for Sensitive Groups Air Quality, Denver-Boulder

DenverUnited States2026-10-069d agoUrban PEI 464.5KAir QualityMediumCS:41 · v5

Unhealthy Air Quality (AQI 152)

Santa LucíaSpain2026-10-069d agoUrban PEI 13.4K