What is the air quality trend in Nanjin?

Over the past 7 days, Nanjin had an average AQI of 68 based on station measurements. The worst day was 2026-10-15 with AQI 88.

How is Nanjin air quality measured?

Air quality in Nanjin 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 Nanjin, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 17 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	62	35–86	17.8 µg/m³	23h	17
2026-10-19	63	48–78	17.8 µg/m³	24h	18
2026-10-18	52	27–87	13.9 µg/m³	24h	14
2026-10-17	46	22–148	12.1 µg/m³	24h	14
2026-10-16	82	63–101	27.0 µg/m³	23h	16
2026-10-15	88	40–131	29.6 µg/m³	24h	17
2026-10-14	85	51–155	28.5 µg/m³	22h	17

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