What is the air quality trend in Atwater?

Over the past 15 days, Atwater had an average AQI of 43 based on station measurements. The worst day was 2026-07-17 with AQI 63.

How is Atwater air quality measured?

Air quality in Atwater 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 Atwater, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

199h

PM2.5 Station

199h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	52	52–52	12.4 µg/m³	1h	2
2026-07-21	42	18–99	11.5 µg/m³	16h	1
2026-07-20	42	11–91	11.4 µg/m³	13h	1
2026-07-19	34	3–69	8.8 µg/m³	16h	1
2026-07-18	52	5–132	15.7 µg/m³	15h	1
2026-07-17	63	21–171	22.6 µg/m³	10h	1
2026-07-16	47	16–86	12.8 µg/m³	15h	1
2026-07-15	44	5–160	12.7 µg/m³	16h	1
2026-07-14	48	9–120	13.6 µg/m³	9h	1
2026-07-13	24	5–48	5.8 µg/m³	15h	1
2026-07-12	33	4–93	8.7 µg/m³	12h	1
2026-07-11	48	17–76	12.9 µg/m³	15h	1
2026-07-10	45	9–162	13.1 µg/m³	19h	1
2026-07-09	35	12–71	8.8 µg/m³	13h	1
2026-07-08	36	4–65	9.1 µg/m³	14h	1

Back to Atwater Air Quality