What is the air quality trend in North Bel Air?

Over the past 8 days, North Bel Air had an average AQI of 47 based on station measurements. The worst day was 2026-07-17 with AQI 72.

How is North Bel Air air quality measured?

Air quality in North Bel Air 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 North Bel Air, United States

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

Historical PM2.5 and AQI trend from monitoring stations near North Bel Air, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	30	30–30	7.1 µg/m³	1h	3
2026-07-21	46	17–72	11.8 µg/m³	21h	2
2026-07-20	52	17–77	14.3 µg/m³	22h	2
2026-07-19	45	15–91	11.9 µg/m³	23h	2
2026-07-18	54	18–121	15.3 µg/m³	23h	2
2026-07-17	72	5–306	31.7 µg/m³	24h	3
2026-07-16	38	12–70	9.4 µg/m³	23h	3
2026-07-15	43	18–71	10.8 µg/m³	23h	3

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