What is the air quality trend in Old Bridge?

Over the past 7 days, Old Bridge had an average AQI of 84 based on station measurements. The worst day was 2026-07-17 with AQI 141.

How is Old Bridge air quality measured?

Air quality in Old Bridge 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 Bridge, United States

Name: Old Bridge 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 Bridge, 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	55	24–95	15.2 µg/m³	109.4	24h	9
2026-07-20	60	30–99	17.6 µg/m³	149.0	24h	9
2026-07-19	73	31–153	22.6 µg/m³	102.8	24h	10
2026-07-18	100	51–160	35.7 µg/m³	125.2	24h	11
2026-07-17	141	54–189	64.6 µg/m³	122.2	24h	12
2026-07-16	97	55–174	36.9 µg/m³	138.1	24h	10
2026-07-15	67	35–114	19.9 µg/m³	104.2	24h	10

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