What is the air quality trend in Mariners Harbor?

Over the past 3 days, Mariners Harbor had an average AQI of 37 based on station measurements. The worst day was 2026-09-03 with AQI 41.

How is Mariners Harbor air quality measured?

Air quality in Mariners Harbor 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 Mariners Harbor, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 10 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	34	18–58	8.3 µg/m³	149.0	16h	20
2026-09-04	36	22–51	8.6 µg/m³	139.2	24h	22
2026-09-03	41	31–51	9.9 µg/m³	149.0	5h	22

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