What is the air quality trend in Westbury?

Over the past 8 days, Westbury had an average AQI of 41 based on station measurements. The worst day was 2026-09-01 with AQI 56.

How is Westbury air quality measured?

Air quality in Westbury 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 Westbury, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Westbury, 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
2026-09-05	41	18–80	10.5 µg/m³	149.0	14h	17
2026-09-04	39	19–71	9.7 µg/m³	139.2	24h	19
2026-09-03	36	16–75	8.9 µg/m³	149.0	24h	19
2026-09-02	40	19–80	10.1 µg/m³	144.0	24h	18
2026-09-01	56	41–114	15.2 µg/m³	122.2	24h	16
2026-08-31	43	26–60	10.7 µg/m³	123.2	24h	18
2026-08-30	40	20–62	9.8 µg/m³	144.2	24h	20
2026-08-29	37	16–55	9.1 µg/m³	149.0	7h	16

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