What is the air quality trend in Tonghua?

Over the past 15 days, Tonghua had an average AQI of 54 based on station measurements. The worst day was 2026-09-04 with AQI 66.

How is Tonghua air quality measured?

Air quality in Tonghua 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 Tonghua, China

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

Historical PM2.5 and AQI trend from monitoring stations near Tonghua, China.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

312h

PM2.5 Station

312h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	58	35–74	16.0 µg/m³	9h	4
2026-09-04	66	37–170	20.8 µg/m³	22h	3
2026-09-03	56	25–74	15.3 µg/m³	22h	3
2026-09-02	58	17–87	16.0 µg/m³	23h	3
2026-09-01	53	29–80	14.2 µg/m³	21h	3
2026-08-31	46	21–71	11.8 µg/m³	24h	4
2026-08-30	62	25–169	19.1 µg/m³	21h	3
2026-08-29	50	14–84	13.3 µg/m³	23h	3
2026-08-28	50	23–70	13.1 µg/m³	22h	3
2026-08-27	54	15–104	15.2 µg/m³	23h	3
2026-08-26	52	32–72	13.8 µg/m³	23h	3
2026-08-25	51	29–110	13.7 µg/m³	23h	3
2026-08-24	48	14–82	12.9 µg/m³	21h	3
2026-08-23	60	34–96	16.6 µg/m³	24h	4
2026-08-22	60	27–85	17.3 µg/m³	11h	4

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