What is the air quality trend in Irvine?

Over the past 7 days, Irvine had an average AQI of 32 based on station measurements. The worst day was 2026-05-22 with AQI 50.

How is Irvine air quality measured?

Air quality in Irvine 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 Irvine, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	21	17–53	4.9 µg/m³	22h	99
2026-05-27	21	19–25	5.2 µg/m³	24h	103
2026-05-26	24	23–26	5.7 µg/m³	24h	104
2026-05-25	28	25–35	6.6 µg/m³	24h	104
2026-05-24	38	32–43	9.2 µg/m³	24h	104
2026-05-23	47	40–51	11.2 µg/m³	24h	103
2026-05-22	50	29–58	12.4 µg/m³	23h	99

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