What is the air quality trend in Livermore?

Over the past 15 days, Livermore had an average AQI of 30 based on station measurements. The worst day was 2026-07-16 with AQI 42.

How is Livermore air quality measured?

Air quality in Livermore 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 Livermore, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Livermore, 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 · 83 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	31	24–47	7.3 µg/m³	21h	82
2026-07-20	26	19–68	6.4 µg/m³	24h	78
2026-07-19	28	22–47	6.7 µg/m³	24h	82
2026-07-18	29	23–52	7.0 µg/m³	24h	82
2026-07-17	35	32–41	8.4 µg/m³	24h	84
2026-07-16	42	31–195	14.0 µg/m³	24h	79
2026-07-15	36	30–65	8.7 µg/m³	24h	82
2026-07-14	32	28–40	7.7 µg/m³	24h	81
2026-07-13	29	25–52	7.1 µg/m³	24h	83
2026-07-12	25	20–40	6.0 µg/m³	24h	79
2026-07-11	28	18–62	6.9 µg/m³	24h	66
2026-07-10	35	21–43	8.3 µg/m³	24h	79
2026-07-09	25	18–33	5.9 µg/m³	23h	84
2026-07-08	26	24–29	6.3 µg/m³	24h	85
2026-07-07	24	24–24	5.7 µg/m³	1h	85

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