What is the air quality trend in Martinez?

Over the past 7 days, Martinez had an average AQI of 31 based on station measurements. The worst day was 2026-10-14 with AQI 40.

How is Martinez air quality measured?

Air quality in Martinez 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 Martinez, United States

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

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

141

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	37	6–141	9.8 µg/m³	24h	3
2026-10-19	27	15–57	6.5 µg/m³	23h	3
2026-10-18	24	11–75	6.0 µg/m³	23h	3
2026-10-17	29	12–62	7.1 µg/m³	22h	2
2026-10-16	29	8–56	7.1 µg/m³	23h	2
2026-10-15	36	17–58	8.9 µg/m³	24h	3
2026-10-14	40	18–60	9.8 µg/m³	20h	3

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