What is the air quality trend in Trumbull?

Over the past 8 days, Trumbull had an average AQI of 62 based on station measurements. The worst day was 2026-07-17 with AQI 109.

How is Trumbull air quality measured?

Air quality in Trumbull 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 Trumbull, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

122h

PM2.5 Station

122h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	56	24–79	15.6 µg/m³	13h	2
2026-07-20	81	57–120	26.1 µg/m³	12h	2
2026-07-19	54	20–158	16.4 µg/m³	16h	2
2026-07-18	50	22–169	15.3 µg/m³	16h	2
2026-07-17	109	26–332	66.7 µg/m³	20h	2
2026-07-16	51	17–154	14.5 µg/m³	21h	2
2026-07-15	46	28–67	11.5 µg/m³	23h	2
2026-07-14	52	52–52	12.6 µg/m³	1h	1

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