What is the air quality trend in Chesapeake?

Over the past 7 days, Chesapeake had an average AQI of 82 based on station measurements. The worst day was 2026-07-17 with AQI 171.

How is Chesapeake air quality measured?

Air quality in Chesapeake 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 Chesapeake, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

144h

PM2.5 Station

144h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	47	11–89	12.4 µg/m³	19h	1
2026-07-20	60	17–90	17.6 µg/m³	19h	2
2026-07-19	64	30–158	19.8 µg/m³	19h	2
2026-07-18	106	11–194	46.5 µg/m³	21h	2
2026-07-17	171	32–305	109.7 µg/m³	24h	2
2026-07-16	74	12–237	33.2 µg/m³	23h	2
2026-07-15	55	16–170	17.2 µg/m³	19h	2

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