What is the air quality trend in Cẩm Phả?

Over the past 21 days, Cẩm Phả had an average AQI of 55 based on station measurements. The worst day was 2026-09-03 with AQI 91.

How is Cẩm Phả air quality measured?

Air quality in Cẩm Phả 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 Cẩm Phả, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Cẩm Phả, Vietnam.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

373h

PM2.5 Station

373h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	82	22–201	37.4 µg/m³	7h	1
2026-09-04	79	23–281	32.2 µg/m³	19h	2
2026-09-03	91	22–443	48.8 µg/m³	18h	1
2026-09-02	64	15–237	26.3 µg/m³	19h	1
2026-09-01	59	9–321	26.9 µg/m³	17h	1
2026-08-31	59	15–311	27.1 µg/m³	16h	2
2026-08-30	68	29–235	27.5 µg/m³	15h	1
2026-08-29	74	13–156	24.6 µg/m³	19h	1
2026-08-28	75	33–153	24.3 µg/m³	14h	2
2026-08-27	41	9–70	10.2 µg/m³	20h	2
2026-08-26	40	20–105	10.4 µg/m³	24h	2
2026-08-25	55	11–148	16.3 µg/m³	24h	2
2026-08-24	30	3–92	8.0 µg/m³	24h	2
2026-08-23	20	3–140	5.5 µg/m³	24h	2
2026-08-22	33	4–151	9.4 µg/m³	24h	2
2026-08-21	31	5–98	8.3 µg/m³	24h	2
2026-08-20	29	9–79	7.4 µg/m³	20h	2
2026-08-19	64	16–167	20.9 µg/m³	16h	2
2026-08-18	53	12–80	15.5 µg/m³	12h	2
2026-08-17	52	20–87	14.5 µg/m³	13h	1
2026-08-16	59	53–73	15.7 µg/m³	4h	2

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