What is the air quality trend in Elmira?

Over the past 8 days, Elmira had an average AQI of 63 based on station measurements. The worst day was 2026-07-17 with AQI 94.

How is Elmira air quality measured?

Air quality in Elmira 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 Elmira, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

125h

PM2.5 Station

125h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	43	10–99	12.5 µg/m³	5h	2
2026-07-21	46	20–66	11.6 µg/m³	17h	1
2026-07-20	29	9–54	7.1 µg/m³	17h	1
2026-07-19	63	13–195	22.4 µg/m³	21h	1
2026-07-18	65	15–159	21.4 µg/m³	15h	2
2026-07-17	94	21–335	45.3 µg/m³	19h	2
2026-07-16	89	30–173	33.0 µg/m³	17h	2
2026-07-15	79	22–175	27.8 µg/m³	14h	2

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