What is the air quality trend in Cortlandt Manor?

Over the past 14 days, Cortlandt Manor had an average AQI of 59 based on station measurements. The worst day was 2026-07-17 with AQI 133.

How is Cortlandt Manor air quality measured?

Air quality in Cortlandt Manor 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 Cortlandt Manor, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	45	19–67	11.6 µg/m³	24h	3
2026-07-20	42	20–74	10.7 µg/m³	24h	3
2026-07-19	62	39–118	17.5 µg/m³	24h	3
2026-07-18	120	42–173	46.1 µg/m³	24h	4
2026-07-17	133	55–243	67.1 µg/m³	24h	4
2026-07-16	107	65–198	45.6 µg/m³	24h	4
2026-07-15	81	34–165	27.3 µg/m³	21h	2
2026-07-14	38	3–53	9.1 µg/m³	23h	2
2026-07-13	33	4–58	7.9 µg/m³	24h	2
2026-07-12	35	20–44	8.3 µg/m³	23h	3
2026-07-11	33	12–52	7.8 µg/m³	24h	3
2026-07-10	36	20–63	8.8 µg/m³	24h	3
2026-07-09	33	12–51	7.9 µg/m³	24h	3
2026-07-08	28	6–48	6.6 µg/m³	23h	3

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