What is the air quality trend in Lafayette?

Over the past 21 days, Lafayette had an average AQI of 38 based on station measurements. The worst day was 2026-07-19 with AQI 80.

How is Lafayette air quality measured?

Air quality in Lafayette 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 Lafayette, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

204h

PM2.5 Station

204h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	35	18–47	8.3 µg/m³	4h	1
2026-08-07	30	8–49	7.1 µg/m³	15h	1
2026-08-06	33	17–55	8.0 µg/m³	9h	1
2026-08-05	17	5–25	4.2 µg/m³	7h	1
2026-08-04	26	7–56	6.3 µg/m³	12h	1
2026-08-03	23	10–33	5.5 µg/m³	9h	1
2026-08-02	38	24–62	9.3 µg/m³	10h	1
2026-08-01	41	24–53	9.9 µg/m³	11h	1
2026-07-31	39	21–65	9.7 µg/m³	10h	1
2026-07-30	40	18–79	10.5 µg/m³	10h	1
2026-07-29	39	10–58	9.6 µg/m³	10h	1
2026-07-28	50	30–143	14.2 µg/m³	9h	1
2026-07-27	39	15–60	9.6 µg/m³	9h	1
2026-07-26	38	25–61	9.7 µg/m³	7h	1
2026-07-25	34	17–53	8.1 µg/m³	14h	1
2026-07-24	28	6–40	6.7 µg/m³	11h	1
2026-07-23	29	12–70	7.4 µg/m³	14h	1
2026-07-22	31	13–57	7.6 µg/m³	11h	1
2026-07-21	55	23–107	15.9 µg/m³	11h	1
2026-07-20	57	13–104	18.0 µg/m³	9h	1
2026-07-19	80	30–129	27.0 µg/m³	2h	1

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