What is the air quality trend in Siddharthanagar?

Over the past 15 days, Siddharthanagar had an average AQI of 47 based on station measurements. The worst day was 2026-05-18 with AQI 55.

How is Siddharthanagar air quality measured?

Air quality in Siddharthanagar 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 Siddharthanagar, Nepal

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

Historical PM2.5 and AQI trend from monitoring stations near Siddharthanagar, Nepal.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

218h

PM2.5 Station

218h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	53	13–85	14.8 µg/m³	12h	1
2026-05-28	41	15–89	10.8 µg/m³	17h	1
2026-05-27	44	9–133	12.9 µg/m³	18h	1
2026-05-26	44	21–73	11.2 µg/m³	15h	1
2026-05-25	43	17–98	11.7 µg/m³	13h	1
2026-05-24	41	7–83	11.0 µg/m³	14h	1
2026-05-23	53	21–137	14.5 µg/m³	13h	1
2026-05-22	39	17–92	10.3 µg/m³	14h	1
2026-05-21	51	11–82	13.6 µg/m³	18h	2
2026-05-20	43	17–113	11.9 µg/m³	15h	1
2026-05-19	48	22–81	12.4 µg/m³	17h	2
2026-05-18	55	34–89	15.6 µg/m³	16h	2
2026-05-17	52	17–156	14.9 µg/m³	15h	1
2026-05-16	54	22–99	14.7 µg/m³	16h	1
2026-05-15	45	29–57	11.3 µg/m³	5h	2

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