What is the air quality trend in Cicero?

Over the past 15 days, Cicero had an average AQI of 22 based on station measurements. The worst day was 2026-05-18 with AQI 43.

How is Cicero air quality measured?

Air quality in Cicero 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 Cicero, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

251h

PM2.5 Station

251h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	18	4–46	4.4 µg/m³	7h	2
2026-05-28	21	11–42	5.0 µg/m³	16h	2
2026-05-27	24	13–35	5.7 µg/m³	20h	2
2026-05-26	26	9–52	6.3 µg/m³	21h	2
2026-05-25	19	4–32	4.6 µg/m³	17h	2
2026-05-24	12	3–27	3.0 µg/m³	19h	1
2026-05-23	17	5–44	4.0 µg/m³	18h	1
2026-05-22	12	3–23	2.9 µg/m³	19h	1
2026-05-21	14	4–29	3.2 µg/m³	16h	1
2026-05-20	25	9–51	6.0 µg/m³	19h	2
2026-05-19	42	18–64	10.5 µg/m³	22h	2
2026-05-18	43	16–61	10.4 µg/m³	19h	2
2026-05-17	36	19–52	8.5 µg/m³	18h	2
2026-05-16	21	3–36	5.1 µg/m³	14h	1
2026-05-15	11	5–20	2.8 µg/m³	6h	2

Back to Cicero Air Quality