What is the air quality trend in Erie?

Over the past 20 days, Erie had an average AQI of 32 based on station measurements. The worst day was 2026-05-14 with AQI 61.

How is Erie air quality measured?

Air quality in Erie 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 Erie, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

377h

PM2.5 Station

377h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	36	9–70	8.9 µg/m³	20h	1
2026-05-27	31	10–59	7.5 µg/m³	22h	2
2026-05-26	30	1–61	7.5 µg/m³	21h	1
2026-05-25	29	8–49	6.9 µg/m³	21h	1
2026-05-24	28	10–70	6.9 µg/m³	19h	1
2026-05-23	22	5–77	5.6 µg/m³	19h	1
2026-05-22	21	9–32	5.0 µg/m³	18h	2
2026-05-21	25	8–65	6.2 µg/m³	22h	1
2026-05-20	32	19–57	7.7 µg/m³	19h	1
2026-05-19	36	12–70	9.2 µg/m³	22h	2
2026-05-18	38	5–60	9.4 µg/m³	19h	2
2026-05-17	34	21–67	8.4 µg/m³	18h	1
2026-05-16	32	9–54	7.7 µg/m³	17h	1
2026-05-15	33	4–53	8.0 µg/m³	20h	1
2026-05-14	61	11–500	42.5 µg/m³	17h	1
2026-05-13	31	6–96	8.1 µg/m³	20h	1
2026-05-12	30	13–53	7.2 µg/m³	17h	1
2026-05-11	34	11–102	8.8 µg/m³	17h	1
2026-05-10	26	2–51	6.2 µg/m³	13h	1
2026-05-09	36	18–48	8.7 µg/m³	16h	1

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