What is the air quality trend in Cypress?

Over the past 8 days, Cypress had an average AQI of 37 based on station measurements. The worst day was 2026-07-19 with AQI 47.

How is Cypress air quality measured?

Air quality in Cypress 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 Cypress, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	9	9–9	2.1 µg/m³	0.8	1h	3
2026-07-21	34	18–40	8.1 µg/m³	4.6	24h	186
2026-07-20	47	24–54	11.5 µg/m³	8.0	24h	179
2026-07-19	47	26–54	11.3 µg/m³	8.5	24h	186
2026-07-18	41	25–45	9.8 µg/m³	6.3	24h	188
2026-07-17	45	35–54	10.9 µg/m³	9.7	24h	195
2026-07-16	40	33–45	9.6 µg/m³	6.3	24h	178
2026-07-15	38	18–45	9.2 µg/m³	6.3	23h	179

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