What is the air quality trend in Maebashi?

Over the past 21 days, Maebashi had an average AQI of 41 based on station measurements. The worst day was with AQI .

How is Maebashi air quality measured?

Air quality in Maebashi 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 Maebashi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Maebashi, Japan.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

425h

PM2.5 Trend

425h · 22 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-26	39	23–56	9.5 µg/m³	18h	17
2026-04-25	40	24–60	9.6 µg/m³	24h	16
2026-04-24	35	25–44	8.4 µg/m³	24h	16
2026-04-23	32	23–48	7.8 µg/m³	24h	17
2026-04-22	41	31–52	9.9 µg/m³	24h	16
2026-04-21	41	30–53	9.8 µg/m³	24h	17
2026-04-20	32	11–53	7.8 µg/m³	17h	15
2026-04-19	42	30–67	10.4 µg/m³	16h	15
2026-04-18	72	32–172	25.0 µg/m³	19h	21
2026-04-17	56	34–122	15.7 µg/m³	17h	18
2026-04-16	46	32–68	11.4 µg/m³	24h	20
2026-04-15	38	27–53	9.2 µg/m³	24h	20
2026-04-14	46	29–54	11.0 µg/m³	24h	17
2026-04-13	46	35–65	11.2 µg/m³	18h	15
2026-04-12	40	29–55	9.7 µg/m³	24h	18
2026-04-11	42	32–57	10.3 µg/m³	24h	18
2026-04-10	40	28–55	9.6 µg/m³	24h	17
2026-04-09	36	25–54	8.7 µg/m³	18h	16
2026-04-08	31	27–39	7.5 µg/m³	9h	16
2026-04-07	33	24–52	7.9 µg/m³	24h	18
2026-04-06	47	32–55	11.5 µg/m³	5h	18

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