What is the air quality trend in New Brunswick?

Over the past 7 days, New Brunswick had an average AQI of 90 based on station measurements. The worst day was 2026-07-17 with AQI 166.

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 · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	51	38–60	12.8 µg/m³	3.9	24h	18
2026-07-20	48	30–84	12.3 µg/m³	—	24h	18
2026-07-19	62	30–150	18.0 µg/m³	7.0	24h	19
2026-07-18	128	51–165	50.1 µg/m³	57.4	24h	20
2026-07-17	166	100–212	91.4 µg/m³	42.6	24h	21
2026-07-16	120	66–176	46.3 µg/m³	40.7	24h	19
2026-07-15	58	32–89	15.7 µg/m³	10.3	24h	18

Back to New Brunswick Air Quality