What is the air quality trend in Songcheng?

Over the past 15 days, Songcheng had an average AQI of 45 based on station measurements. The worst day was 2026-07-21 with AQI 64.

How is Songcheng air quality measured?

Air quality in Songcheng 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 Songcheng, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

236h

PM2.5 Station

236h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	64	25–99	18.9 µg/m³	18h	2
2026-07-20	53	27–78	14.2 µg/m³	17h	2
2026-07-19	55	22–87	15.4 µg/m³	19h	2
2026-07-18	52	15–122	14.5 µg/m³	20h	2
2026-07-17	41	7–78	10.6 µg/m³	17h	1
2026-07-16	39	13–72	10.3 µg/m³	18h	1
2026-07-15	49	17–95	13.5 µg/m³	12h	2
2026-07-14	40	13–84	10.4 µg/m³	14h	2
2026-07-13	56	25–87	16.1 µg/m³	15h	1
2026-07-12	34	14–68	8.6 µg/m³	16h	2
2026-07-11	42	7–66	10.3 µg/m³	13h	1
2026-07-10	51	4–80	14.1 µg/m³	15h	1
2026-07-09	40	7–62	9.9 µg/m³	21h	2
2026-07-08	38	11–71	9.5 µg/m³	19h	2
2026-07-07	21	1–41	5.0 µg/m³	2h	2

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