What is the air quality trend in Buena Park?

Over the past 8 days, Buena Park had an average AQI of 42 based on station measurements. The worst day was 2026-07-20 with AQI 48.

How is Buena Park air quality measured?

Air quality in Buena Park 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 Buena Park, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Buena Park, 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 · 2 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	35	15–47	8.4 µg/m³	4.7	20h	179
2026-07-20	48	40–55	11.7 µg/m³	8.0	24h	184
2026-07-19	47	41–54	11.4 µg/m³	8.5	24h	191
2026-07-18	41	35–44	9.9 µg/m³	6.3	24h	194
2026-07-17	46	36–54	11.0 µg/m³	9.7	24h	200
2026-07-16	41	36–52	9.9 µg/m³	6.3	24h	183
2026-07-15	39	23–45	9.3 µg/m³	6.2	24h	192
2026-07-14	40	36–42	9.4 µg/m³	9.0	4h	154

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