Koper Air Pollution: Real-time Air Quality Index (AQI)

Koper
Via Del Ponticello, Trieste, Friuli Venezia Giulia
Via Pitacco, Trieste, Friuli Venezia Giulia
P.le Rosmini, Trieste, Friuli Venezia Giulia
P.zza Liberta, Trieste, Friuli Venezia Giulia
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Koper AQI: Koper Real-time Air Quality Index (AQI).
55
Moderate
Updated on Thursday 20:00
temperature: 33°C
currentpast 2 daysminmax
PM2.5 AQI
55Koper, Slovenia PM25 (fine particulate matter) measured by Slovenian Environment Agency (Agencija RS za okolje). Values are converted to the US EPA AQI standard.5063
PM10 AQI
24Koper, Slovenia PM10 (respirable particulate matter) measured by Slovenian Environment Agency (Agencija RS za okolje). Values are converted to the US EPA AQI standard.1832
O3 AQI
51Koper, Slovenia O3 (ozone) measured by Slovenian Environment Agency (Agencija RS za okolje). Values are converted to the US EPA AQI standard.1272
NO2 AQI
6Koper, Slovenia NO2 (nitrogen dioxide) measured by Slovenian Environment Agency (Agencija RS za okolje). Values are converted to the US EPA AQI standard.146
Temp.
33Koper, Slovenia t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).2039
Pressure
1014Koper, Slovenia p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10131016
Humidity
33Koper, Slovenia h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).2271
Wind
2Koper, Slovenia w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).06
Marker
map © OpenStreetMap contributors

Air Quality Forecast
THU 14
36°C
21°C
FRI 15
36°C
21°C
SAT 16
37°C
23°C
SUN 17
33°C
22°C
MON 18
31°C
20°C
PM2.5
O3
Thursday 14Friday 15Saturday 16Sunday 17Monday 18
hour
47101316192214710131619221471013161922147101316192214710131619221
Wind Speed (m/s)
3335654445765333332222623222543443443333








































Temp.
21°24°34°36°34°28°24°23°22°25°33°36°35°27°24°23°23°26°36°37°31°27°28°25°24°24°27°33°32°25°22°23°22°23°28°31°29°24°21°20°
relative humidity
50492319234248454339211920414541414119173444385048535030325161555151353137525448
barometric pressure
1015101510151015101410151017101710171017101710161015101510161015101410141013101210111011101210111011101110111011100910111013101310131014101510141013101410151015
total precipitation
NaNNaN0.10.1
UVI:
8


6:05 ~ 20:16
UVI:
8


6:06 ~ 20:15
UVI:
7


6:08 ~ 20:13
UVI:
6


6:09 ~ 20:11
UVI:
7


6:10 ~ 20:10
Forecast plotted using timezone +02:00
Latest forecast updates:
Wind: 2 hours ago [Aug 14, 2025 5:14 PM]
fine particulate matter: 17 hours ago [Aug 14, 2025 2:51 AM]
ozone: 16 hours ago [Aug 14, 2025 2:53 AM]
click to view the detailed forecast

Air Quality Data provided by: the Slovenian Environment Agency (Agencija RS za okolje) (arso.gov.si)

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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