What is the air quality trend in Davis?

Over the past 17 days, Davis had an average AQI of 27 based on station measurements. The worst day was with AQI .

How is Davis air quality measured?

Air quality in Davis 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 Davis, United States

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

314h · 51 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-11	14	13–15	3.3 µg/m³	13h	51
2026-04-10	14	13–15	3.4 µg/m³	24h	51
2026-04-09	18	15–23	4.4 µg/m³	16h	51
2026-04-08	27	26–28	6.5 µg/m³	8h	52
2026-04-07	29	25–31	6.9 µg/m³	24h	52
2026-04-06	32	25–50	7.7 µg/m³	18h	52
2026-04-04	22	16–28	5.4 µg/m³	14h	52
2026-04-03	17	16–20	4.1 µg/m³	24h	52
2026-04-02	16	12–19	3.9 µg/m³	21h	51
2026-04-01	32	20–45	7.7 µg/m³	21h	36
2026-03-31	38	33–44	9.0 µg/m³	21h	36
2026-03-30	50	42–55	12.1 µg/m³	10h	36
2026-03-29	45	34–56	10.9 µg/m³	23h	35
2026-03-28	37	24–48	8.9 µg/m³	22h	36
2026-03-27	31	18–52	7.5 µg/m³	24h	35
2026-03-26	19	18–20	4.5 µg/m³	24h	35
2026-03-25	20	19–21	4.8 µg/m³	7h	36

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