What is the air quality trend in Newport?

Over the past 15 days, Newport had an average AQI of 47 based on station measurements. The worst day was 2026-07-17 with AQI 75.

How is Newport air quality measured?

Air quality in Newport 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 Newport, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

312h

PM2.5 Station

312h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	51	27–73	13.3 µg/m³	19h	3
2026-07-20	60	13–114	17.6 µg/m³	20h	3
2026-07-19	55	15–129	15.8 µg/m³	23h	2
2026-07-18	68	25–155	20.9 µg/m³	20h	3
2026-07-17	75	19–189	29.4 µg/m³	23h	4
2026-07-16	71	27–243	33.2 µg/m³	24h	3
2026-07-15	47	29–69	11.8 µg/m³	23h	4
2026-07-14	37	12–57	9.0 µg/m³	23h	4
2026-07-13	34	23–45	8.2 µg/m³	22h	3
2026-07-12	33	19–50	7.9 µg/m³	22h	3
2026-07-11	31	17–42	7.5 µg/m³	24h	4
2026-07-10	33	1–45	8.0 µg/m³	22h	4
2026-07-09	37	23–55	9.0 µg/m³	22h	4
2026-07-08	37	23–55	9.0 µg/m³	24h	4
2026-07-07	41	41–41	9.9 µg/m³	1h	4

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