What is the air quality trend in Deer Park?

Over the past 7 days, Deer Park had an average AQI of 31 based on station measurements. The worst day was 2026-07-05 with AQI 45.

How is Deer Park air quality measured?

Air quality in Deer 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 Deer Park, United States

Name: Deer 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 Deer Park, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

19h

PM2.5 Station

19h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-08	18	8–27	4.3 µg/m³	16.3	2h	2
2026-07-07	24	20–27	5.6 µg/m³	25.7	2h	2
2026-07-06	35	29–41	8.4 µg/m³	0.7	3h	12
2026-07-05	45	27–63	12.1 µg/m³	—	2h	2
2026-07-04	26	23–29	6.2 µg/m³	—	2h	1
2026-07-03	32	2–63	8.3 µg/m³	21.9	4h	1
2026-07-02	38	22–46	9.0 µg/m³	4.0	4h	8

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