What is the air quality trend in New Brunswick?

Over the past 8 days, New Brunswick had an average AQI of 80 based on station measurements. The worst day was 2026-07-17 with AQI 144.

How is New Brunswick air quality measured?

Air quality in New Brunswick 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 New Brunswick, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	51	42–61	12.8 µg/m³	22h	20
2026-07-20	45	30–71	11.2 µg/m³	24h	21
2026-07-19	54	34–73	14.5 µg/m³	24h	21
2026-07-18	122	52–155	44.3 µg/m³	24h	21
2026-07-17	144	92–200	70.8 µg/m³	24h	23
2026-07-16	118	57–174	45.2 µg/m³	24h	21
2026-07-15	59	42–89	16.2 µg/m³	24h	22
2026-07-14	49	48–50	11.8 µg/m³	2h	28

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