What is the air quality trend in Old Jamestown?

Over the past 8 days, Old Jamestown had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 90.

How is Old Jamestown air quality measured?

Air quality in Old Jamestown 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 Old Jamestown, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	52	52–52	12.5 µg/m³	1h	6
2026-07-21	47	26–66	11.9 µg/m³	21h	5
2026-07-20	67	25–118	20.2 µg/m³	23h	4
2026-07-19	59	25–130	17.2 µg/m³	23h	5
2026-07-18	57	20–104	16.2 µg/m³	23h	6
2026-07-17	90	20–180	33.4 µg/m³	24h	6
2026-07-16	76	30–184	26.9 µg/m³	24h	6
2026-07-15	47	34–77	11.9 µg/m³	23h	8

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