Web Generator 1.0.0
ISKO
Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2025-04-03 04:26 CEST


Basic data Locality photo
Locality: Hradec Kralove-observator
Code: HHKOK
Type of measuring programme: Combination measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/S/R
Localization
Coordinates: 50° 10´ 39.473" North latitude 15° 50´ 18.205" East longitude
Altitude: 276 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model
3h average 3h average 3h average 3h average 3h average 3h average
µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³
2025-04-02 02:00 - 05:00 CEST 1B 57.0 14.4
2025-04-02 03:00 - 06:00 CEST 1B 57.3 16.2
2025-04-02 04:00 - 07:00 CEST 1B 55.3 18.3
2025-04-02 05:00 - 08:00 CEST 1B 51.6 21.1
2025-04-02 06:00 - 09:00 CEST 2A 50.5 27.0
2025-04-02 07:00 - 10:00 CEST 2A 52.4 31.1
2025-04-02 08:00 - 11:00 CEST 2A 56.5 31.9
2025-04-02 09:00 - 12:00 CEST 2A 61.9 30.4
2025-04-02 10:00 - 13:00 CEST 2A 67.4 28.1
2025-04-02 11:00 - 14:00 CEST 2A 75.1 26.6
2025-04-02 12:00 - 15:00 CEST 2A 82.2 23.9
2025-04-02 13:00 - 16:00 CEST 2A 88.7 22.0
2025-04-02 14:00 - 17:00 CEST 2A 90.7 17.1
2025-04-02 15:00 - 18:00 CEST 2A 90.5 14.4
2025-04-02 16:00 - 19:00 CEST 2A 87.9 13.5
2025-04-02 17:00 - 20:00 CEST 2A 87.1 13.4
2025-04-02 18:00 - 21:00 CEST 2A 84.6 16.3
2025-04-02 19:00 - 22:00 CEST 2A 77.9 19.2
2025-04-02 20:00 - 23:00 CEST 2A 69.6 22.5
2025-04-02 21:00 - 00:00 CEST 2A 64.3 22.5
2025-04-02 22:00 - 01:00 CEST 2A 64.8 26.9
2025-04-02 23:00 - 02:00 CEST 2A 67.1 30.4
2025-04-03 00:00 - 03:00 CEST 2A 67.1 33.1
2025-04-03 01:00 - 04:00 CEST 2A 67.1 29.7

Legend

Level Index range Air quality
     1A      ≥ 0.00 and < 0.34 very good to good
     1B      ≥ 0.34 and < 0.67
     2A      ≥ 0.67 and < 1.00 acceptable
     2B      ≥ 1.00 and < 1.50
     3A      ≥ 1.50 and < 2.00 aggravated to bad
     3B      ≥ 2.00
Component is not measured, index not determined
Incomplete data


Map of station position

Map is on page with detailed information about locality