What is the air quality trend in West Islip?

Over the past 8 days, West Islip had an average AQI of 105 based on station measurements. The worst day was 2026-07-18 with AQI 146.

How is West Islip air quality measured?

Air quality in West Islip 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 West Islip, United States

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

Historical PM2.5 and AQI trend from monitoring stations near West Islip, 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 · 1 station

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	54	20–95	16.6 µg/m³	149.0	9h	4
2026-07-21	72	40–113	22.4 µg/m³	149.0	24h	4
2026-07-20	67	21–122	21.5 µg/m³	149.0	24h	3
2026-07-19	86	48–131	28.2 µg/m³	149.0	24h	3
2026-07-18	146	108–173	61.8 µg/m³	149.0	24h	3
2026-07-17	135	53–193	67.2 µg/m³	149.0	24h	3
2026-07-16	138	91–202	63.2 µg/m³	149.0	24h	3
2026-07-15	144	54–176	71.0 µg/m³	149.0	14h	2

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