What is the air quality trend in Cranston?

Over the past 3 days, Cranston had an average AQI of 48 based on station measurements. The worst day was 2026-10-20 with AQI 63.

How is Cranston air quality measured?

Air quality in Cranston 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 Cranston, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Cranston, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

40h

PM2.5 Station

40h · 6 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	27	22–30	6.5 µg/m³	4h	5
2026-10-20	63	5–500	36.3 µg/m³	23h	2
2026-10-19	55	15–104	16.1 µg/m³	13h	3

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