What is the air quality trend in Elmhurst?

Over the past 14 days, Elmhurst had an average AQI of 14 based on station measurements. The worst day was 2026-10-04 with AQI 58.

How is Elmhurst air quality measured?

Air quality in Elmhurst 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 Elmhurst, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

70h

PM2.5 Station

70h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	41	14–68	11.8 µg/m³	12.7	2h	1
2026-10-20	4	4–5	1.1 µg/m³	1.1	4h	1
2026-10-19	10	4–16	2.4 µg/m³	3.4	3h	1
2026-10-17	11	1–21	2.6 µg/m³	4.5	2h	1
2026-10-16	4	4–4	1.0 µg/m³	1.1	1h	1
2026-10-15	6	6–6	1.4 µg/m³	1.6	1h	1
2026-10-14	9	1–25	2.1 µg/m³	2.4	9h	1
2026-10-13	5	2–13	1.2 µg/m³	1.4	10h	1
2026-10-12	6	1–10	1.5 µg/m³	2.0	7h	1
2026-10-09	3	3–3	0.7 µg/m³	2.1	2h	1
2026-10-07	9	9–9	2.2 µg/m³	3.2	1h	1
2026-10-05	31	4–81	8.5 µg/m³	9.2	12h	1
2026-10-04	58	14–103	19.9 µg/m³	24.6	2h	1
2026-10-01	6	1–16	1.4 µg/m³	1.7	14h	1

Back to Elmhurst Air Quality