What is the air quality trend in Gulou?

Over the past 14 days, Gulou had an average AQI of 60 based on station measurements. The worst day was 2026-05-27 with AQI 70.

How is Gulou air quality measured?

Air quality in Gulou 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 Gulou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

327h

PM2.5 Station

327h · 5 stations

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	65	49–95	18.8 µg/m³	23h	4
2026-05-28	62	36–95	17.2 µg/m³	24h	5
2026-05-27	70	21–128	21.0 µg/m³	24h	4
2026-05-26	51	25–88	13.4 µg/m³	24h	5
2026-05-25	56	34–79	15.4 µg/m³	23h	5
2026-05-24	65	28–310	25.0 µg/m³	24h	4
2026-05-23	62	5–98	18.3 µg/m³	24h	5
2026-05-22	59	32–80	16.2 µg/m³	24h	5
2026-05-21	64	32–112	18.7 µg/m³	24h	5
2026-05-20	60	25–83	16.8 µg/m³	24h	4
2026-05-19	55	39–71	14.8 µg/m³	24h	5
2026-05-18	55	32–80	14.7 µg/m³	23h	4
2026-05-17	55	38–75	14.8 µg/m³	22h	5
2026-05-16	63	33–107	18.3 µg/m³	20h	4

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