What is the air quality trend in Fortuna Foothills?

Over the past 15 days, Fortuna Foothills had an average AQI of 39 based on station measurements. The worst day was 2026-08-04 with AQI 82.

How is Fortuna Foothills air quality measured?

Air quality in Fortuna Foothills 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 Fortuna Foothills, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

152h

PM2.5 Station

152h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	28	17–54	6.9 µg/m³	5h	1
2026-08-07	27	12–41	6.4 µg/m³	15h	1
2026-08-06	68	4–114	22.8 µg/m³	4h	1
2026-08-05	46	25–72	12.2 µg/m³	8h	1
2026-08-04	82	1–500	58.8 µg/m³	11h	1
2026-08-03	35	6–75	8.9 µg/m³	14h	1
2026-08-02	40	28–59	9.9 µg/m³	11h	1
2026-08-01	34	9–52	8.3 µg/m³	12h	1
2026-07-31	32	13–46	7.6 µg/m³	9h	1
2026-07-30	22	10–39	5.4 µg/m³	10h	1
2026-07-29	30	12–61	7.3 µg/m³	12h	1
2026-07-28	43	20–53	10.3 µg/m³	14h	1
2026-07-27	39	18–61	9.7 µg/m³	12h	1
2026-07-26	28	15–65	7.1 µg/m³	11h	1
2026-07-25	40	23–50	9.7 µg/m³	4h	1

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