Kathmandu: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Kathmandu
Pollution and air quality forecast for Kathmandu. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Kathmandu:
  1. particulate matter (PM2.5) dust - 30 (Moderate)
  2. particulate matter (PM10) suspended dust - 32 (Moderate)
  3. ozone (O3) - 56 (Good)
  4. nitrogen dioxide (NO2) - 21 (Good)
  5. sulfur dioxide (SO2) - 9 (Good)
  6. carbon monoxide (CO) - 623 (Good)
Real-time Air Quality Index (AQI) for Kathmandu, Thursday, August 27, 2026: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Kathmandu today? Is the air polluted in Kathmandu?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Kathmandu. Some pollutants in Kathmandu may slightly affect very few hypersensitive individuals. Air pollutants in Kathmandu may cause minor breathing discomfort to sensitive people.


What is the current level of PM2.5 in Kathmandu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 30 (Moderate) For comparison, the highest level of PM2.5 in Kathmandu in the last 7 days was: 30 (Friday, August 21, 2026) and the lowest: 19 (Wednesday, August 26, 2026). The highest PM2.5 values were recorded: 100 (February 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: August (14).

What is the level of PM10 today in Kathmandu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Kathmandu is: 32 (Moderate)

How is the O3 level today in Kathmandu? (ozone (O3))
56 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
21 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
9 (Good)

How high is the CO level? (carbon monoxide (CO))
623 (Good)



Current data Thursday, August 27, 2026 at 6:45 AM

PM2,5 30 (Moderate)

PM10 32 (Moderate)

O3 56 (Good)

NO2 21 (Good)

SO2 9 (Good)

CO 623 (Good)

Data on air pollution from recent days in Kathmandu

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 23
Moderate
19
Moderate
20
Moderate
19
Moderate
23
Moderate
24
Moderate
30
Moderate
27
Moderate
pm10 24
Moderate
20
Moderate
21
Moderate
20
Moderate
23
Moderate
25
Moderate
31
Moderate
28
Moderate
o3 76
Moderate
75
Moderate
79
Moderate
100
Moderate
97
Moderate
96
Moderate
105
Moderate
90
Moderate
no2 17
Good
14
Good
15
Good
12
Good
12
Good
14
Good
14
Good
14
Good
so2 6
Good
5
Good
5
Good
4
Good
5
Good
6
Good
7
Good
6
Good
co 819
Good
792
Good
768
Good
798
Good
869
Good
847
Good
837
Good
809
Good
data source »
Air pollution in Kathmandu from April 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04
o3:ppm 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.04 (Good) 0.05 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good)
pm25 22 (Moderate) 48 (Unhealthy for Sensitive Groups) 42 (Unhealthy for Sensitive Groups) 82 (Very Unhealthy) 82 (Very Unhealthy) 72 (Unhealthy) 56 (Unhealthy) 31 (Moderate) 15 (Moderate) 14 (Moderate) 16 (Moderate) 32 (Moderate) 63 (Unhealthy) 57 (Unhealthy) 73 (Unhealthy) 68 (Unhealthy) 99 (Very Unhealthy) 97 (Very Unhealthy) 69 (Unhealthy) 36 (Unhealthy for Sensitive Groups) 20 (Moderate) 14 (Moderate) 15 (Moderate) 30 (Moderate) 42 (Unhealthy for Sensitive Groups) 63 (Unhealthy) 91 (Very Unhealthy) 100 (Very Unhealthy) 89 (Very Unhealthy) 83 (Very Unhealthy) 57 (Unhealthy) 36 (Unhealthy for Sensitive Groups) 26 (Moderate) 18 (Moderate) 19 (Moderate) 36 (Unhealthy for Sensitive Groups) 49 (Unhealthy for Sensitive Groups) 74 (Unhealthy)
data source »

Quality of life in Kathmandu

Green and Parks in the City

Kathmandu 22%

Bhutan: 82% Bangladesh: 33% India: 48% Myanmar: 33% Pakistan: 49%

particulate matter PM2.5

Kathmandu 49 (Unhealthy for Sensitive Groups)

Pleasure of spending time in the city

Kathmandu 20%

Bhutan: 61% Bangladesh: 26% India: 40% Myanmar: 24% Pakistan: 43%

particulate matter PM10

Kathmandu 87 (Unhealthy)

Air Pollution

Kathmandu 89%

Bhutan: 45% Bangladesh: 78% India: 65% Myanmar: 83% Pakistan: 64%

Garbage Disposal

Kathmandu 17%

Bhutan: 47% Bangladesh: 22% India: 34% Myanmar: 12% Pakistan: 34%

Availability and quality of drinking water

Kathmandu 28%

Bhutan: 64% Bangladesh: 44% India: 48% Myanmar: 34% Pakistan: 44%

Cleanliness and tidiness

Kathmandu 17%

Bhutan: 57% Bangladesh: 23% India: 37% Myanmar: 18% Pakistan: 40%

Noise and Light pollution

Kathmandu 57%

Bhutan: 55% Bangladesh: 63% India: 59% Myanmar: 52% Pakistan: 59%

Water Pollution

Kathmandu 81%

Bhutan: 56% Bangladesh: 74% India: 69% Myanmar: 74% Pakistan: 70%
Source: Numbeo


Kathmandu

Thursday, August 27, 2026 at 6:45 AM

PM2,5 30 (Moderate)

particulate matter (PM2.5) dust

PM10 32 (Moderate)

particulate matter (PM10) suspended dust

O3 56 (Good)

ozone (O3)

NO2 21 (Good)

nitrogen dioxide (NO2)

SO2 8.9 (Good)

sulfur dioxide (SO2)

CO 623 (Good)

carbon monoxide (CO)

Kathmandu

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 27 30 24 23 19 20 19 23
pm10 28 31 25 23 20 21 20 24
o3 90 105 96 97 100 79 75 76
no2 14 14 14 12 12 15 14 17
so2 5.7 7.2 5.8 4.8 4 4.9 5 5.9
co 809 837 847 869 798 768 792 819

US Diplomatic Post: Embassy Kathmandu

2017-04   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04
pm25 20 49 41 81 72 65 54 30 13 13 15 30 59 55 66 57 89 89 62 34 18 14 15 27 41 58 89 100 83 76 50 34 25 13 18 37 46 66
o3:ppm 0.04 0.05 0.03 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.04 0.05 0.04 0.04 0.02 0.01 0.01 0.02 0.03 0.02 0.02 0.02 0.04 0.04 0.04 0.04 0.02 0.02 0.02 0.02 0 0 0 0 0.04 0.05 0.04

US Diplomatic Post: Phora Durbar Kathmandu

2017-04   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04
pm25 23 47 44 83 92 80 59 32 17 14 18 34 67 60 81 78 110 105 76 39 22 15 15 32 44 69 92 100 95 89 64 38 26 22 20 35 53 83
o3:ppm 0.02 0.03 0.02 0.02 0.01 0.01 0.01 0.02 0.01 0.02 0.02 0.03 0.04 0.03 0.03 0.02 0.01 0.01 0.01 0.02 0.02 0.01 0.01 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.03 0.02 0.02 0.04 0.04 0.04

* Pollution data source: https://openaq.org (StateAir_Kathmandu, StateAir_PhoraDurbar) The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Kathmandu

🌦️ WEATHER · 16-DAY FORECASTKathmandu🌧️27°RainToday · ↑28° ↓22°💨 2 km/h · 💧 76%Tue25.08🌧️28°22°Wed26.08🌧️25°22°Thu27.08🌧️26°21°Fri28.08🌧️26°21°Sat29.08🌧️25°20°Sun30.08🌧️25°20°Mon31.08🌧️25°20°Tue1.09🌧️25°20°Wed2.09🌧️25°20°Thu3.09🌧️24°20°Fri4.09🌧️24°20°Sat5.09🌧️24°19°Sun6.09🌧️25°20°Mon7.09🌧️26°20°Tue8.09🌧️25°19°Wed9.09🌧️25°19°pollution-alert.com · August 27, 2026

16-day weather forecast for Kathmandu: today around 28°C (rain), lows near 22°C. Daily temperature and conditions, updated every day. Wind is light today (about 6 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — Kathmandu

☀️ UV INDEX · 16-DAY FORECASTKathmandu03681111+4.8UV MODERATEtoday, day maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.⏱ Unprotected fair skin can burn in about 40 min5Wed26.086Thu27.088Fri28.085Sat29.088Sun30.085Mon31.082Tue1.093Wed2.093Thu3.095Fri4.096Sat5.095Sun6.096Mon7.097Tue8.096Wed9.095Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Kathmandu today is 4.8 (moderate) — unprotected fair skin can burn in about 40 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Kathmandu — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Kathmandu today?
The current average PM2.5 across Kathmandu is about 30 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.
What is the current PM2.5 level in Kathmandu?
Right now PM2.5 in Kathmandu averages about 30 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Kathmandu?
Over the past week, the highest daily PM2.5 in Kathmandu was recorded on Friday, August 21 (about 30 µg/m³).
What is the UV index in Kathmandu today?
The UV index in Kathmandu today is 4.8 (moderate) — unprotected fair skin can burn in about 40 minutes.
Does today's wind help disperse smog in Kathmandu?
Wind is light today (about 6 km/h) — pollutants can build up near the ground.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.