What is the air quality trend in Mahwah?

Over the past 7 days, Mahwah had an average AQI of 87 based on station measurements. The worst day was 2026-07-17 with AQI 134.

How is Mahwah air quality measured?

Air quality in Mahwah 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 Mahwah, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 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	56	27–91	15.6 µg/m³	109.4	24h	7
2026-07-20	59	25–96	17.2 µg/m³	149.0	24h	7
2026-07-19	71	28–129	22.1 µg/m³	102.8	24h	7
2026-07-18	110	68–158	39.9 µg/m³	125.2	24h	8
2026-07-17	134	51–189	57.0 µg/m³	122.2	24h	8
2026-07-16	101	60–181	39.6 µg/m³	138.1	24h	7
2026-07-15	78	35–150	25.3 µg/m³	104.2	24h	6

Back to Mahwah Air Quality