Nepal Monitor

Live · 22 Oct 2026 · Koshi Province

Air quality in Ilam today

Live air quality index and pollutants at Ilam, from the Copernicus (CAMS) air-quality forecast, refreshed every 30 minutes.

US AQI now
105
Unhealthy for sensitive groups
PM2.5
46
µg/m³ (WHO 24-h guideline: 15)
PM10
51
µg/m³
Rank among 77 districts
19th
1st = most polluted right now
Health advice: Children, older adults and people with heart or lung disease should reduce long or heavy outdoor exertion.

Hourly air quality: last 3 days and the next 4

084168Mon 19Tue 20Wed 21Thu 22Fri 23Sat 24Sun 25nowUS AQI

US AQI; solid line measured-model history, dashed line forecast. Shaded bands: AQI categories.

Daily summary

DayHighest AQICategoryMean PM2.5 (µg/m³)
Mon, 19 Oct 2026153Unhealthy47
Tue, 20 Oct 2026137Unhealthy for sensitive groups50
Wed, 21 Oct 2026136Unhealthy for sensitive groups38
Thu, 22 Oct 2026122Unhealthy for sensitive groups37
Fri, 23 Oct 2026130Unhealthy for sensitive groups41
Sat, 24 Oct 2026125Unhealthy for sensitive groups43
Sun, 25 Oct 2026119Unhealthy for sensitive groups38

All pollutants now

Fine particles PM2.546.3 µg/m³
Coarse particles PM1051.0 µg/m³
Nitrogen dioxide NO₂21.1 µg/m³
Ozone O₃47.0 µg/m³
Sulphur dioxide SO₂5.4 µg/m³
Carbon monoxide CO299 µg/m³

Most and least polluted districts right now

  1. Gaur, Rautahat — AQI 180
  2. Biratnagar, Morang — AQI 166
  3. Malangawa, Sarlahi — AQI 160
  4. Rajbiraj, Saptari — AQI 158
  5. Dhanusa — AQI 155
  1. Darchula — AQI 27
  2. Solukhumbu — AQI 29
  3. Sankhuwasabha — AQI 30
  4. Myagdi — AQI 32
  5. Rukum East — AQI 34

Questions about air quality in Ilam

Is the air quality in Ilam good today?
The US AQI in Ilam is 105 (unhealthy for sensitive groups) as of 01:45 Nepal time. Children, older adults and people with heart or lung disease should reduce long or heavy outdoor exertion.
What is the PM2.5 level in Ilam?
PM2.5 is 46 µg/m³ and PM10 51 µg/m³. The WHO guideline for the 24-hour mean of PM2.5 is 15 µg/m³.
When is air pollution worst in Ilam?
In Nepal, air quality is usually worst from November to April, when dry weather, stagnant winter air, crop-residue and forest fires and brick kilns add to traffic pollution; the monsoon (June–September) washes the air clean.

Weather in Ilam · Ilam District: land cover and map

Source: Copernicus Atmosphere Monitoring Service (CAMS) via Open-Meteo. Modelled values at the town, not a ground monitor.