What is the air quality trend in Hillcrest Heights?

Over the past 8 days, Hillcrest Heights had an average AQI of 79 based on station measurements. The worst day was 2026-07-17 with AQI 167.

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

167h

PM2.5 Station

167h · 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	24	23–26	5.9 µg/m³	2h	17
2026-07-21	53	30–73	14.6 µg/m³	24h	29
2026-07-20	68	58–83	20.3 µg/m³	24h	28
2026-07-19	65	37–125	19.3 µg/m³	24h	30
2026-07-18	128	56–158	49.0 µg/m³	24h	31
2026-07-17	167	76–221	98.0 µg/m³	24h	32
2026-07-16	77	54–261	28.5 µg/m³	24h	30
2026-07-15	51	35–81	12.9 µg/m³	21h	31

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