What is the air quality trend in Middletown?

Over the past 15 days, Middletown had an average AQI of 57 based on station measurements. The worst day was 2026-07-17 with AQI 169.

How is Middletown air quality measured?

Air quality in Middletown 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 Middletown, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	27	25–29	6.4 µg/m³	4h	17
2026-07-21	50	28–62	12.6 µg/m³	24h	19
2026-07-20	55	29–143	14.9 µg/m³	24h	18
2026-07-19	57	24–75	16.1 µg/m³	24h	18
2026-07-18	123	36–158	46.2 µg/m³	24h	19
2026-07-17	169	146–212	90.8 µg/m³	24h	20
2026-07-16	100	56–139	34.7 µg/m³	24h	20
2026-07-15	49	34–59	12.0 µg/m³	24h	21
2026-07-14	38	30–58	9.3 µg/m³	24h	21
2026-07-13	31	27–46	7.5 µg/m³	24h	21
2026-07-12	38	28–44	9.2 µg/m³	24h	20
2026-07-11	41	19–55	10.0 µg/m³	24h	18
2026-07-10	44	26–55	10.6 µg/m³	24h	20
2026-07-09	28	20–41	6.8 µg/m³	24h	22
2026-07-08	19	14–24	4.6 µg/m³	20h	22

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