What is the air quality trend in New London?

Over the past 8 days, New London had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 84.

How is New London air quality measured?

Air quality in New London 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 New London, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

140h

PM2.5 Station

140h · 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	56	12–88	16.4 µg/m³	6h	2
2026-07-21	47	13–71	12.5 µg/m³	18h	2
2026-07-20	48	2–122	14.0 µg/m³	16h	2
2026-07-19	50	15–143	14.7 µg/m³	21h	1
2026-07-18	78	18–201	32.2 µg/m³	19h	2
2026-07-17	84	21–184	37.0 µg/m³	21h	2
2026-07-16	79	13–186	31.3 µg/m³	22h	2
2026-07-15	48	27–113	12.4 µg/m³	17h	2

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