What is the air quality trend in Waco?

Over the past 8 days, Waco had an average AQI of 58 based on station measurements. The worst day was 2026-07-21 with AQI 78.

How is Waco air quality measured?

Air quality in Waco 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 Waco, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 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	78	40–257	31.0 µg/m³	19h	2
2026-07-20	57	16–165	17.2 µg/m³	22h	2
2026-07-19	51	2–75	13.6 µg/m³	22h	2
2026-07-18	51	9–81	13.7 µg/m³	22h	2
2026-07-17	51	25–67	13.2 µg/m³	20h	2
2026-07-16	52	2–75	14.0 µg/m³	22h	2
2026-07-15	49	16–76	12.9 µg/m³	20h	2
2026-07-14	75	75–75	23.4 µg/m³	1h	1

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