What is the air quality trend in Caoqiao?

Over the past 14 days, Caoqiao had an average AQI of 58 based on station measurements. The worst day was 2026-07-09 with AQI 69.

How is Caoqiao air quality measured?

Air quality in Caoqiao 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 Caoqiao, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

323h

PM2.5 Station

323h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	63	23–133	18.4 µg/m³	20h	2
2026-07-20	62	25–98	17.9 µg/m³	23h	3
2026-07-19	61	12–112	17.4 µg/m³	23h	3
2026-07-18	57	22–84	15.7 µg/m³	24h	2
2026-07-17	59	39–104	16.5 µg/m³	24h	3
2026-07-16	52	33–102	13.8 µg/m³	23h	3
2026-07-15	54	13–80	14.3 µg/m³	23h	3
2026-07-14	57	25–107	16.0 µg/m³	24h	2
2026-07-13	56	32–84	15.1 µg/m³	23h	3
2026-07-12	53	24–95	14.8 µg/m³	22h	3
2026-07-11	53	28–78	13.9 µg/m³	24h	3
2026-07-10	57	31–81	16.0 µg/m³	24h	3
2026-07-09	69	36–350	28.1 µg/m³	23h	3
2026-07-08	62	33–99	18.2 µg/m³	23h	3

Back to Caoqiao Air Quality