What is the air quality trend in Wallingford Center?

Over the past 21 days, Wallingford Center had an average AQI of 31 based on station measurements. The worst day was 2026-05-18 with AQI 43.

How is Wallingford Center air quality measured?

Air quality in Wallingford Center 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 Wallingford Center, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

449h

PM2.5 Station

449h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	26	14–42	6.2 µg/m³	13h	2
2026-05-28	30	14–70	7.5 µg/m³	23h	2
2026-05-27	28	14–42	6.7 µg/m³	23h	2
2026-05-26	26	10–43	6.3 µg/m³	24h	2
2026-05-25	27	10–48	6.5 µg/m³	22h	2
2026-05-24	27	13–42	6.5 µg/m³	24h	2
2026-05-23	26	5–47	6.3 µg/m³	24h	2
2026-05-22	25	9–55	5.9 µg/m³	24h	2
2026-05-21	27	11–45	6.5 µg/m³	22h	2
2026-05-20	30	11–54	7.2 µg/m³	24h	2
2026-05-19	34	16–47	8.1 µg/m³	21h	2
2026-05-18	43	28–56	10.3 µg/m³	24h	2
2026-05-17	41	22–57	10.0 µg/m³	19h	2
2026-05-16	35	16–66	8.6 µg/m³	18h	2
2026-05-15	36	17–73	8.8 µg/m³	23h	2
2026-05-14	34	16–61	8.2 µg/m³	23h	2
2026-05-13	34	14–56	8.2 µg/m³	22h	2
2026-05-12	31	9–74	7.6 µg/m³	22h	2
2026-05-11	29	15–47	6.9 µg/m³	23h	2
2026-05-10	33	20–55	8.0 µg/m³	23h	2
2026-05-09	39	25–54	9.4 µg/m³	8h	2

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