What is the air quality trend in Chonglong?

Over the past 15 days, Chonglong had an average AQI of 63 based on station measurements. The worst day was 2026-05-30 with AQI 76.

How is Chonglong air quality measured?

Air quality in Chonglong 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 Chonglong, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	76	70–81	23.9 µg/m³	3h	5
2026-05-29	68	51–89	20.3 µg/m³	24h	3
2026-05-28	64	44–90	18.4 µg/m³	24h	3
2026-05-27	72	54–102	22.0 µg/m³	24h	4
2026-05-26	60	42–88	16.6 µg/m³	24h	4
2026-05-25	54	22–93	15.1 µg/m³	24h	4
2026-05-24	59	32–86	16.4 µg/m³	24h	3
2026-05-23	74	42–114	23.2 µg/m³	24h	3
2026-05-22	68	42–99	20.3 µg/m³	24h	4
2026-05-21	73	30–120	22.9 µg/m³	24h	4
2026-05-20	56	30–75	15.0 µg/m³	24h	3
2026-05-19	58	32–111	16.3 µg/m³	24h	3
2026-05-18	53	22–96	14.5 µg/m³	24h	3
2026-05-17	62	37–103	17.6 µg/m³	22h	3
2026-05-16	59	25–98	16.9 µg/m³	18h	4

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