DHMZ and partner stations

Koromačno

Live air quality and temperature from a monitoring station of the national air quality network.

Air quality is measured by station Koromačno of the national network.

Active Koromačno GPS 44.9804, 14.1221

Status Online Live and available

Air quality Outdated 2026/09/16 22:00

Live air quality index for this station, calculated from the measured concentrations of fine particulate matter (PM2.5) and particulate matter (PM10).

Air quality index
(PM 2.5) 15 *Fine particulate matter
(2.5 µm) 3.523 µg/m³ Air quality index
(PM 10) 5 Particulate matter
(10 µm) 5.499 µg/m³

Air quality history

Average air quality index per day over the past months.

Apr May Jun Jul Aug Sept

171 days with a reading between 23 March 2026 and 16 September 2026. Best day: 12 June 2026 · AQI 5 (Good). Worst day: 29 June 2026 · AQI 67 (Moderate).

Mon Wed Fri Sun

Better Worse No data Too few hours measured

Other pollutants

Alongside the air quality index, this station also publishes concentrations of gaseous pollutants: nitrogen dioxide, ground-level ozone, sulphur dioxide and carbon monoxide. Each value is shown with its unit and averaging period.

NO₂ nitrogen dioxide 1.332 µg/m³ · 1h Good

O₃ ground-level ozone 84.788 µg/m³ · 1h Fair

SO₂ sulphur dioxide 3.46 µg/m³ · 1h Good

CO carbon monoxide 0.184 mg/m³ · 8h Good

Weekly statistics

Best AQI 4 Fri 11 Sept at 20:00

Worst AQI 50 Thu 10 Sept at 02:00

Weekly AQI average 15 7/7

Daylight

Daily transitions

Dawn 4:04 AM

Sunrise 4:35 AM

Sunset 5:02 PM

Dusk 5:32 PM

Golden hour

Start 4:15 AM

End 5:13 AM

Evening start 4:23 PM

Evening end 5:21 PM

Blue hour

Start 4:04 AM

End 4:15 AM

Evening start 5:21 PM

Evening end 5:32 PM