What is the air quality trend in Weslaco?

Over the past 14 days, Weslaco had an average AQI of 52 based on station measurements. The worst day was 2026-07-15 with AQI 66.

How is Weslaco air quality measured?

Air quality in Weslaco 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 Weslaco, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

292h

PM2.5 Station

292h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	65	46–118	19.0 µg/m³	21h	2
2026-07-20	57	24–78	15.8 µg/m³	20h	2
2026-07-19	64	54–82	18.3 µg/m³	21h	3
2026-07-18	64	34–84	18.6 µg/m³	21h	3
2026-07-17	44	9–65	10.9 µg/m³	20h	3
2026-07-16	59	25–77	16.8 µg/m³	21h	2
2026-07-15	66	12–87	20.1 µg/m³	23h	2
2026-07-14	65	6–96	19.8 µg/m³	21h	3
2026-07-13	48	21–84	13.4 µg/m³	22h	3
2026-07-12	41	15–59	10.0 µg/m³	23h	2
2026-07-11	48	28–78	12.3 µg/m³	24h	3
2026-07-10	41	17–71	10.2 µg/m³	23h	2
2026-07-09	41	15–61	10.1 µg/m³	15h	2
2026-07-08	38	10–52	9.0 µg/m³	17h	2

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