What is the air quality trend in Ludlow?

Over the past 8 days, Ludlow had an average AQI of 59 based on station measurements. The worst day was 2026-07-17 with AQI 95.

How is Ludlow air quality measured?

Air quality in Ludlow 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 Ludlow, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Ludlow, 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 · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	27	27–27	6.5 µg/m³	1h	2
2026-07-21	42	22–67	10.7 µg/m³	24h	4
2026-07-20	46	19–71	11.9 µg/m³	24h	4
2026-07-19	57	23–152	16.3 µg/m³	24h	5
2026-07-18	74	27–160	24.0 µg/m³	24h	5
2026-07-17	95	24–230	39.8 µg/m³	24h	6
2026-07-16	82	34–169	28.3 µg/m³	24h	5
2026-07-15	52	22–184	16.7 µg/m³	23h	5

Back to Ludlow Air Quality