What is the air quality trend in Hillcrest Heights?

Over the past 14 days, Hillcrest Heights had an average AQI of 31 based on station measurements. The worst day was 2026-05-18 with AQI 46.

How is Hillcrest Heights air quality measured?

Air quality in Hillcrest Heights 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 Hillcrest Heights, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	26	17–48	6.3 µg/m³	24h	5
2026-05-28	27	14–48	6.5 µg/m³	24h	5
2026-05-27	32	20–45	7.6 µg/m³	24h	6
2026-05-26	33	23–56	8.1 µg/m³	24h	5
2026-05-25	35	25–44	8.5 µg/m³	24h	5
2026-05-24	26	18–39	6.2 µg/m³	24h	6
2026-05-23	22	11–49	5.4 µg/m³	24h	5
2026-05-22	22	16–31	5.2 µg/m³	24h	6
2026-05-21	24	18–34	5.7 µg/m³	24h	5
2026-05-20	33	23–51	7.8 µg/m³	24h	6
2026-05-19	44	31–62	10.8 µg/m³	24h	5
2026-05-18	46	25–59	11.3 µg/m³	24h	5
2026-05-17	39	20–58	9.4 µg/m³	24h	4
2026-05-16	32	22–46	7.6 µg/m³	23h	4

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