What is the air quality trend in West Hempstead?

Over the past 8 days, West Hempstead had an average AQI of 81 based on station measurements. The worst day was 2026-07-17 with AQI 124.

How is West Hempstead air quality measured?

Air quality in West Hempstead 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 Hempstead, United States

Name: West Hempstead 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 Hempstead, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	34	30–37	8.2 µg/m³	1.0	3h	6
2026-07-21	59	42–83	16.3 µg/m³	117.9	24h	9
2026-07-20	57	23–101	16.6 µg/m³	149.0	24h	7
2026-07-19	71	38–122	21.7 µg/m³	102.8	24h	7
2026-07-18	109	69–158	38.9 µg/m³	125.2	24h	8
2026-07-17	124	51–183	53.8 µg/m³	122.2	24h	7
2026-07-16	113	65–182	45.6 µg/m³	138.1	24h	7
2026-07-15	86	35–160	29.0 µg/m³	102.6	21h	6

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