What is the air quality trend in Changqing?

Over the past 21 days, Changqing had an average AQI of 62 based on station measurements. The worst day was 2026-07-19 with AQI 76.

How is Changqing air quality measured?

Air quality in Changqing 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 Changqing, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 12 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	62	53–68	17.3 µg/m³	6h	13
2026-08-07	69	51–86	20.5 µg/m³	21h	13
2026-08-06	65	53–83	18.8 µg/m³	24h	11
2026-08-05	61	47–76	16.9 µg/m³	24h	10
2026-08-04	62	45–78	17.5 µg/m³	24h	14
2026-08-03	57	44–72	15.0 µg/m³	24h	15
2026-08-02	58	52–77	15.4 µg/m³	24h	14
2026-08-01	56	40–67	14.8 µg/m³	24h	13
2026-07-31	54	44–63	13.7 µg/m³	24h	13
2026-07-30	54	35–69	13.8 µg/m³	24h	12
2026-07-29	56	41–77	14.6 µg/m³	24h	13
2026-07-28	58	49–67	15.2 µg/m³	24h	15
2026-07-27	58	41–86	15.6 µg/m³	24h	14
2026-07-26	63	48–79	17.9 µg/m³	24h	14
2026-07-25	68	53–86	20.0 µg/m³	24h	14
2026-07-24	68	55–81	20.3 µg/m³	24h	15
2026-07-23	69	60–76	20.7 µg/m³	24h	15
2026-07-22	66	56–82	19.4 µg/m³	24h	14
2026-07-21	68	30–104	20.5 µg/m³	24h	10
2026-07-20	68	54–87	20.0 µg/m³	24h	10
2026-07-19	76	62–179	26.2 µg/m³	16h	10

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