What is the air quality trend in Newport Beach?

Over the past 8 days, Newport Beach had an average AQI of 48 based on station measurements. The worst day was 2026-08-04 with AQI 53.

How is Newport Beach air quality measured?

Air quality in Newport Beach is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Newport Beach, United States

Name: Newport Beach Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Newport Beach, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 94 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	43	42–45	10.3 µg/m³	—	3h	93
2026-08-07	46	38–55	11.0 µg/m³	11.0	24h	91
2026-08-06	45	37–52	10.8 µg/m³	11.0	24h	89
2026-08-05	50	40–65	12.4 µg/m³	11.0	24h	88
2026-08-04	53	40–70	13.7 µg/m³	11.0	24h	87
2026-08-03	51	29–60	12.8 µg/m³	11.0	24h	83
2026-08-02	46	40–55	11.3 µg/m³	11.0	24h	83
2026-08-01	52	47–55	12.8 µg/m³	11.0	18h	82

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