smog alert
Air quality advisory
A smog alert is an official warning issued when air pollution reaches levels considered hazardous to health.
Authorities typically advise vulnerable populations—children, the elderly, those with respiratory conditions—to limit outdoor activity: Schools canceled recess during the smog alert.
Major cities issue alerts based on ozone and particulate measurements.
- pollutionEnvironmental harm from waste
- hazeMurky atmospheric suspension
- ozoneTriatomic oxygen allotrope
- warningAlert about danger
- air qualityPollution level measurement
exhaust · car exhaust · fumes · breathing · breathing problems · asthma · city · skyline · gray · toxic · emissions · lungs · particulates · summer · heat · advisory · mask · outdoor
- alertsalarm, warning, notification, push notifications, tornado watch
- weather alertsweather advisory, weather warning, storm warning, tornado warning, hurricane warning
- smoghaze, brown cloud, particulates, PM2.5, soot
- Danger Levelsdanger, high risk, high-risk, low risk, critical
- Eco-crisesclimate change, global warming, oil spill, deforestation, biodiversity loss
- health alertshealth emergency, disease outbreak, quarantine order, food recall, drug recall