What is the air quality trend in Tianjin?

Over the past 21 days, Tianjin had an average AQI of 57 based on station measurements. The worst day was 2026-09-05 with AQI 76.

How is Tianjin air quality measured?

Air quality in Tianjin 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 Tianjin, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 11 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	76	48–95	23.8 µg/m³	10h	9
2026-09-04	70	47–121	20.9 µg/m³	24h	9
2026-09-03	59	30–87	16.6 µg/m³	24h	10
2026-09-02	51	32–81	13.1 µg/m³	24h	8
2026-09-01	45	27–63	11.3 µg/m³	24h	12
2026-08-31	54	25–155	14.8 µg/m³	24h	12
2026-08-30	56	23–158	16.2 µg/m³	24h	11
2026-08-29	59	30–81	16.4 µg/m³	24h	10
2026-08-28	48	28–69	12.2 µg/m³	24h	13
2026-08-27	52	33–73	13.5 µg/m³	24h	11
2026-08-26	59	38–76	16.0 µg/m³	24h	11
2026-08-25	54	33–85	14.1 µg/m³	24h	12
2026-08-24	49	31–59	12.1 µg/m³	24h	12
2026-08-23	51	32–89	13.4 µg/m³	24h	13
2026-08-22	53	26–84	14.3 µg/m³	24h	10
2026-08-21	56	23–97	15.7 µg/m³	24h	11
2026-08-20	69	41–106	20.9 µg/m³	24h	11
2026-08-19	66	27–90	19.3 µg/m³	24h	11
2026-08-18	64	33–81	18.2 µg/m³	24h	13
2026-08-17	58	29–94	16.2 µg/m³	24h	11
2026-08-16	62	54–74	17.5 µg/m³	11h	14

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