What is the air quality trend in Merrick?

Over the past 8 days, Merrick had an average AQI of 84 based on station measurements. The worst day was 2026-07-16 with AQI 114.

How is Merrick air quality measured?

Air quality in Merrick 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 Merrick, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	42	20–72	11.4 µg/m³	124.3	7h	6
2026-07-21	60	36–90	17.0 µg/m³	120.0	24h	6
2026-07-20	57	23–106	16.8 µg/m³	149.0	24h	5
2026-07-19	74	41–134	23.2 µg/m³	102.8	24h	6
2026-07-18	114	69–156	41.2 µg/m³	125.2	24h	6
2026-07-17	110	55–171	42.6 µg/m³	122.2	24h	5
2026-07-16	114	67–184	44.6 µg/m³	138.1	24h	5
2026-07-15	104	31–159	38.9 µg/m³	106.4	16h	4

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