What is the air quality trend in Huntsville?

Over the past 21 days, Huntsville had an average AQI of 47 based on station measurements. The worst day was 2026-05-24 with AQI 86.

How is Huntsville air quality measured?

Air quality in Huntsville 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 Huntsville, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Huntsville, Canada.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

315h

PM2.5 Station

315h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	84	23–200	44.3 µg/m³	8h	1
2026-05-29	51	13–156	15.3 µg/m³	14h	1
2026-05-28	55	15–129	17.8 µg/m³	9h	1
2026-05-27	34	3–99	10.1 µg/m³	16h	2
2026-05-26	38	1–135	10.7 µg/m³	17h	1
2026-05-25	20	6–38	4.9 µg/m³	15h	1
2026-05-24	86	12–170	35.0 µg/m³	12h	1
2026-05-23	71	9–185	31.2 µg/m³	12h	1
2026-05-22	40	4–142	11.6 µg/m³	14h	1
2026-05-21	39	12–151	11.2 µg/m³	13h	1
2026-05-20	40	7–134	11.4 µg/m³	14h	1
2026-05-19	29	4–160	9.3 µg/m³	19h	2
2026-05-18	37	4–78	10.0 µg/m³	24h	2
2026-05-17	32	10–112	8.5 µg/m³	16h	1
2026-05-16	36	1–114	10.5 µg/m³	19h	1
2026-05-15	57	10–156	18.4 µg/m³	14h	1
2026-05-14	64	1–199	24.3 µg/m³	18h	2
2026-05-13	35	7–112	9.1 µg/m³	18h	2
2026-05-12	34	15–61	8.5 µg/m³	15h	1
2026-05-11	70	14–151	22.5 µg/m³	20h	1
2026-05-10	48	10–66	12.6 µg/m³	8h	2

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