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2.067 m summit25 km from Sarajevo1984 Olympic mountain
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Air quality · as of 00:00

Air quality on Bjelašnica

The air is fine for all outdoor activities.

What is in the air now

Main factor: PM2.5
PM2.5fine particles
12µg/m³
Fair
PM10particles
13µg/m³
Good
NO₂nitrogen dioxide
8,2µg/m³
Good
O₃ozone
46µg/m³
Good
SO₂sulphur dioxide
22µg/m³
Good
EveryoneThe air is fine for all outdoor activities.
Sensitive groupsNo restrictions for most people.

Forecast for the next 3 days

BjelašnicaSarajevo
TodayModeratemax 44 · SA 54
Sun 15.11.Fairmax 30 · SA 53
Mon 16.11.Fairmax 24 · SA 42
Tue 17.11.Fairmax 31 · SA 32
01:00 · 36 — Fair02:00 · 27 — Fair03:00 · 25 — Fair04:00 · 22 — Fair05:00 · 22 — Fair06:00 · 24 — Fair07:00 · 29 — Fair08:00 · 30 — Fair09:00 · 29 — Fair10:00 · 32 — Fair11:00 · 32 — Fair12:00 · 27 — Fair13:00 · 24 — Fair14:00 · 24 — Fair15:00 · 25 — Fair16:00 · 29 — Fair17:00 · 38 — Fair18:00 · 42 — Moderate19:00 · 44 — Moderate20:00 · 43 — Moderate21:00 · 38 — Fair22:00 · 33 — Fair23:00 · 31 — Fair00:00 · 27 — Fair01:00 · 24 — Fair02:00 · 22 — Fair03:00 · 23 — Fair04:00 · 22 — Fair05:00 · 21 — Fair06:00 · 21 — Fair07:00 · 20 — Good08:00 · 20 — Good09:00 · 19 — Good10:00 · 20 — Good11:00 · 21 — Fair12:00 · 22 — Fair13:00 · 22 — Fair14:00 · 21 — Fair15:00 · 21 — Fair16:00 · 19 — Good17:00 · 24 — Fair18:00 · 26 — Fair19:00 · 30 — Fair20:00 · 28 — Fair21:00 · 25 — Fair22:00 · 23 — Fair23:00 · 19 — Good00:00 · 20 — Good01:00 · 20 — Good02:00 · 20 — Good03:00 · 19 — Good04:00 · 19 — Good05:00 · 19 — Good06:00 · 19 — Good07:00 · 18 — Good08:00 · 18 — Good09:00 · 18 — Good10:00 · 19 — Good11:00 · 20 — Good12:00 · 21 — Fair13:00 · 22 — Fair14:00 · 23 — Fair15:00 · 23 — Fair16:00 · 23 — Fair17:00 · 22 — Fair18:00 · 22 — Fair19:00 · 22 — Fair20:00 · 22 — Fair21:00 · 22 — Fair22:00 · 24 — Fair23:00 · 20 — Good00:00 · 18 — Good SunMonTue

Bars show the hourly index for Bjelašnica, the dashed line Sarajevo. Lower is better.

Mountain vs cities — right now

  1. Lukomir 25Fair · PM2.5 7,4
  2. Mostar 26Fair · PM2.5 8,0
  3. Zenica 29Fair · PM2.5 9,5
  4. Banja Luka 32Fair · PM2.5 11,1
  5. Bjelašnica (Babin Do) 35Fair · PM2.5 12,4
  6. Igman (Malo polje) 35Fair · PM2.5 12,4
  7. Sarajevo 38Fair · PM2.5 13,8
  8. Tuzla 40Fair · PM2.5 15,2
  9. Ilidža 42Moderate · PM2.5 18,2

Index scale

  • Good0–20
  • Fair20–40
  • Moderate40–60
  • Poor60–80
  • Very poor80–100
  • Extremely poor100+

European Air Quality Index (EAQI). The rating follows whichever pollutant is currently worst.

Why the air on Bjelašnica is cleaner

In winter a temperature inversion often forms over the Sarajevo valley: cold air gets trapped in the basin and smoke from heating and traffic builds up near the ground. Babin Do sits at 1,270 m and the summit at 2,067 m — usually above that layer of smog.

That is why the city can be "very poor" while the mountain is good, sunny and above a sea of fog. Wind and rain clean the city air too; calm, foggy days hold it in.

See the live webcams Weather on Bjelašnica

Frequently asked questions

What is the air like on Bjelašnica today?

Right now it is fair (index 35). The air is fine for all outdoor activities.

What are PM2.5 and PM10?

They are airborne particles smaller than 2.5 and 10 micrometres. In winter they come mostly from wood and coal heating and from traffic. PM2.5 are finer and reach deeper into the lungs, so they are more harmful.

Is there a monitoring station on Bjelašnica?

No. There is no official monitoring station on the mountain, so we show the estimate of the European Copernicus CAMS model for Babin Do. For the cities it is the same kind of estimate, for comparison — not a station measurement.

When is Sarajevo's air at its worst?

Usually from November to February, on calm and foggy days, in the evening and at night when heating is on. That is when a trip to the mountain is the best escape from the smog.

Source: Copernicus Atmosphere Monitoring Service (CAMS) model estimate via Open-Meteo.com (CC BY 4.0), updated hourly. Not a station measurement — for guidance only.