What is the air quality trend in Commack?

Over the past 8 days, Commack had an average AQI of 49 based on station measurements. The worst day was 2026-10-14 with AQI 69.

How is Commack air quality measured?

Air quality in Commack 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 Commack, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Commack, 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 · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	12	12–12	2.8 µg/m³	—	1h	4
2026-10-20	59	13–149	18.7 µg/m³	149.0	24h	4
2026-10-19	54	10–124	16.5 µg/m³	149.0	23h	4
2026-10-18	47	12–77	13.4 µg/m³	149.0	24h	4
2026-10-17	44	7–121	12.9 µg/m³	149.0	24h	5
2026-10-16	56	18–118	16.9 µg/m³	149.0	24h	5
2026-10-15	57	8–125	18.1 µg/m³	149.0	24h	4
2026-10-14	69	26–129	21.9 µg/m³	149.0	21h	4

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