Current Air Quality
Site Time AQI Class Pollutant Concentration Activity Caution Risk Groups
ALPINE 5/21/2026 9:00:00 PM PT 57 Moderate 21_PM25 12.1 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
CARMEL MT RCH 5/21/2026 9:00:00 PM PT 67 Moderate 21_PM25 17.9 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
CHULA VISTA 5/21/2026 9:00:00 PM PT 66 Moderate 21_PM25 17.4 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
DOWNTOWN SES 5/21/2026 9:00:00 PM PT 69 Moderate 21_PM25 18.6 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
EL CAJON LES 5/21/2026 9:00:00 PM PT 64 Moderate 21_PM25 16.1 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
KEARNY MESA 5/21/2026 9:00:00 PM PT 69 Moderate 21_PM25 18.7 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
OTAY MESA DVN 5/21/2026 9:00:00 PM PT 71 Moderate 21_PM25 19.8 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
PENDLETON 5/21/2026 9:00:00 PM PT 65 Moderate 21_PM25 16.5 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.
SAN YSIDRO 5/21/2026 9:00:00 PM PT 76 Moderate 21_PM25 22.4 UG/M3 Unusually sensitive people should consider reducing prolonged or heavy exertion. People with respiratory or heart disease, the elderly and children are the groups most at risk.