What is the air quality trend in Siraha?

Over the past 8 days, Siraha had an average AQI of 127 based on station measurements. The worst day was 2026-09-15 with AQI 156.

How is Siraha air quality measured?

Air quality in Siraha 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 Siraha, Nepal

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

133h

PM2.5 Station

133h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-22	90	80–113	30.6 µg/m³	40.9	7h	4
2026-09-21	121	85–162	45.7 µg/m³	59.3	11h	4
2026-09-20	125	90–157	46.3 µg/m³	57.7	23h	4
2026-09-19	138	98–176	59.0 µg/m³	73.4	24h	4
2026-09-18	112	86–142	40.0 µg/m³	53.3	16h	4
2026-09-17	132	95–157	49.6 µg/m³	66.4	22h	4
2026-09-16	146	116–169	63.0 µg/m³	74.2	20h	4
2026-09-15	156	105–170	77.8 µg/m³	92.0	10h	4

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