What is the air quality trend in El Segundo?

Over the past 15 days, El Segundo had an average AQI of 45 based on station measurements. The worst day was 2026-07-31 with AQI 52.

How is El Segundo air quality measured?

Air quality in El Segundo 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 El Segundo, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 225 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	39	38–40	9.3 µg/m³	6.7	5h	225
2026-08-07	44	40–49	10.4 µg/m³	10.1	24h	224
2026-08-06	46	41–59	11.3 µg/m³	10.3	24h	221
2026-08-05	51	42–60	12.6 µg/m³	12.1	24h	218
2026-08-04	51	38–63	12.9 µg/m³	11.8	24h	214
2026-08-03	49	27–59	12.1 µg/m³	10.5	24h	205
2026-08-02	45	40–52	10.8 µg/m³	8.9	24h	206
2026-08-01	50	42–55	12.1 µg/m³	10.6	24h	206
2026-07-31	52	44–59	13.1 µg/m³	14.3	24h	206
2026-07-30	50	41–57	12.5 µg/m³	12.7	24h	206
2026-07-29	46	39–56	11.3 µg/m³	9.5	24h	205
2026-07-28	40	33–52	9.6 µg/m³	7.1	24h	204
2026-07-27	39	32–52	9.5 µg/m³	6.7	24h	227
2026-07-26	44	37–49	10.4 µg/m³	8.3	24h	228
2026-07-25	43	38–48	10.3 µg/m³	8.7	17h	229

Back to El Segundo Air Quality