What is the air quality trend in Oceanside?

Over the past 15 days, Oceanside had an average AQI of 27 based on station measurements. The worst day was 2026-06-06 with AQI 49.

How is Oceanside air quality measured?

Air quality in Oceanside 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 Oceanside, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	19	4–30	4.6 µg/m³	16h	14
2026-06-08	23	13–37	5.6 µg/m³	24h	16
2026-06-07	29	16–43	6.9 µg/m³	24h	16
2026-06-06	49	35–69	12.0 µg/m³	24h	19
2026-06-05	39	32–55	9.5 µg/m³	24h	18
2026-06-04	28	20–36	6.6 µg/m³	24h	18
2026-06-03	25	20–32	6.0 µg/m³	24h	17
2026-06-02	24	17–33	5.7 µg/m³	24h	16
2026-06-01	24	16–31	5.8 µg/m³	24h	16
2026-05-31	25	16–48	6.0 µg/m³	24h	15
2026-05-30	22	10–34	5.2 µg/m³	24h	16
2026-05-29	21	13–32	5.0 µg/m³	24h	16
2026-05-28	24	15–40	5.8 µg/m³	24h	17
2026-05-27	30	22–38	7.1 µg/m³	24h	18
2026-05-26	25	21–28	6.1 µg/m³	7h	17

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