What is the air quality trend in Antioch?

Over the past 15 days, Antioch had an average AQI of 25 based on station measurements. The worst day was 2026-08-30 with AQI 33.

How is Antioch air quality measured?

Air quality in Antioch 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 Antioch, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 81 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	26	24–27	6.2 µg/m³	16h	80
2026-09-04	23	14–29	5.6 µg/m³	24h	81
2026-09-03	23	20–25	5.5 µg/m³	24h	79
2026-09-02	27	21–30	6.4 µg/m³	24h	78
2026-09-01	29	20–67	7.0 µg/m³	24h	74
2026-08-31	31	25–36	7.5 µg/m³	24h	80
2026-08-30	33	29–35	7.9 µg/m³	24h	80
2026-08-29	26	22–30	6.2 µg/m³	24h	80
2026-08-28	24	20–30	5.7 µg/m³	24h	81
2026-08-27	21	18–26	5.1 µg/m³	24h	81
2026-08-26	23	18–30	5.4 µg/m³	24h	82
2026-08-25	19	17–22	4.6 µg/m³	24h	81
2026-08-24	24	19–31	5.8 µg/m³	24h	80
2026-08-23	25	20–38	6.1 µg/m³	24h	80
2026-08-22	24	23–25	5.8 µg/m³	5h	79

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