What is the air quality trend in Hobart?

Over the past 8 days, Hobart had an average AQI of 31 based on station measurements. The worst day was 2026-10-20 with AQI 54.

How is Hobart air quality measured?

Air quality in Hobart 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 Hobart, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 260 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	54	23–72	14.2 µg/m³	1.2	21h	225
2026-10-19	28	22–41	6.7 µg/m³	3.4	24h	261
2026-10-18	23	17–35	5.4 µg/m³	—	24h	240
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	260
2026-10-16	19	10–40	4.6 µg/m³	1.1	24h	250
2026-10-15	24	14–42	5.8 µg/m³	1.6	24h	261
2026-10-14	39	18–55	9.5 µg/m³	2.4	24h	260
2026-10-13	51	51–51	12.2 µg/m³	1.1	1h	259

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