What is the air quality trend in Lake Charles?

Over the past 7 days, Lake Charles had an average AQI of 54 based on station measurements. The worst day was 2026-07-20 with AQI 72.

How is Lake Charles air quality measured?

Air quality in Lake Charles 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 Lake Charles, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Lake Charles, United States.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

54h

PM2.5 Station

54h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	50	25–72	13.7 µg/m³	8h	1
2026-07-20	72	5–158	25.8 µg/m³	6h	1
2026-07-19	37	17–57	9.2 µg/m³	8h	1
2026-07-18	51	21–163	17.2 µg/m³	8h	1
2026-07-17	57	34–88	16.5 µg/m³	3h	1
2026-07-16	69	38–201	29.0 µg/m³	9h	1
2026-07-15	46	25–70	11.7 µg/m³	12h	1

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