What is the air quality trend in South Portland Gardens?

Over the past 20 days, South Portland Gardens had an average AQI of 40 based on station measurements. The worst day was 2026-07-26 with AQI 61.

How is South Portland Gardens air quality measured?

Air quality in South Portland Gardens 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 South Portland Gardens, United States

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

Historical PM2.5 and AQI trend from monitoring stations near South Portland Gardens, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

246h

PM2.5 Station

246h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	33	2–98	8.6 µg/m³	14h	1
2026-08-06	35	13–72	8.9 µg/m³	13h	1
2026-08-05	35	9–63	8.6 µg/m³	14h	1
2026-08-04	30	19–45	7.2 µg/m³	15h	1
2026-08-03	41	17–138	11.5 µg/m³	10h	1
2026-08-02	28	8–53	6.7 µg/m³	15h	1
2026-08-01	43	6–127	12.0 µg/m³	11h	1
2026-07-31	41	15–63	10.3 µg/m³	13h	1
2026-07-30	40	9–54	9.7 µg/m³	10h	1
2026-07-29	48	20–120	13.5 µg/m³	11h	1
2026-07-28	48	21–65	12.1 µg/m³	9h	1
2026-07-27	44	21–85	11.5 µg/m³	10h	1
2026-07-26	61	13–178	21.9 µg/m³	10h	1
2026-07-25	30	2–55	7.3 µg/m³	14h	1
2026-07-24	33	7–56	8.3 µg/m³	11h	1
2026-07-23	48	14–132	14.0 µg/m³	16h	1
2026-07-22	42	17–100	11.4 µg/m³	15h	1
2026-07-21	50	18–70	13.1 µg/m³	13h	1
2026-07-20	35	5–77	9.3 µg/m³	11h	1
2026-07-19	53	4–103	15.5 µg/m³	11h	1

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