What is the air quality trend in Santa Maria?

Over the past 8 days, Santa Maria had an average AQI of 38 based on station measurements. The worst day was 2026-06-02 with AQI 51.

How is Santa Maria air quality measured?

Air quality in Santa Maria 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 Santa Maria, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

100h

PM2.5 Station

100h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	21	21–21	5.0 µg/m³	1h	1
2026-06-08	51	6–75	13.3 µg/m³	18h	1
2026-06-07	36	10–63	9.0 µg/m³	16h	2
2026-06-06	34	3–56	8.3 µg/m³	15h	2
2026-06-05	34	10–119	9.8 µg/m³	9h	1
2026-06-04	42	26–61	10.2 µg/m³	12h	2
2026-06-03	40	13–90	10.7 µg/m³	15h	1
2026-06-02	51	10–103	15.3 µg/m³	14h	2

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