What is the air quality trend in Wausau?

Over the past 15 days, Wausau had an average AQI of 86 based on station measurements. The worst day was 2026-07-16 with AQI 250.

How is Wausau air quality measured?

Air quality in Wausau 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 Wausau, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

293h

PM2.5 Station

293h · 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	41	16–65	10.5 µg/m³	15h	1
2026-07-20	142	20–187	79.6 µg/m³	22h	1
2026-07-19	206	169–231	150.2 µg/m³	20h	1
2026-07-18	68	14–165	22.7 µg/m³	22h	1
2026-07-17	224	42–338	174.4 µg/m³	20h	1
2026-07-16	250	202–391	201.2 µg/m³	14h	1
2026-07-15	113	28–423	82.8 µg/m³	20h	1
2026-07-14	36	31–45	8.6 µg/m³	21h	1
2026-07-13	39	32–45	9.4 µg/m³	23h	1
2026-07-12	47	34–56	11.4 µg/m³	21h	1
2026-07-11	39	30–46	9.3 µg/m³	21h	1
2026-07-10	27	17–37	6.5 µg/m³	21h	1
2026-07-09	21	10–25	5.0 µg/m³	22h	1
2026-07-08	21	12–28	5.1 µg/m³	24h	1
2026-07-07	27	20–33	6.5 µg/m³	7h	1

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