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: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 1B 59.1 12.7
2025-08-01 11:00 - 14:00 CEST 1B 65.6 8.2
2025-08-01 12:00 - 15:00 CEST 1B 69.6 5.5
2025-08-01 13:00 - 16:00 CEST 1B 72.3 4.3
2025-08-01 14:00 - 17:00 CEST 1B 71.3 4.7
2025-08-01 15:00 - 18:00 CEST 1B 71.9 4.5
2025-08-01 16:00 - 19:00 CEST 1B 68.9 4.5
2025-08-01 17:00 - 20:00 CEST 1B 62.5 3.7
2025-08-01 18:00 - 21:00 CEST 1B 54.5 4.0
2025-08-01 19:00 - 22:00 CEST 1B 49.6 3.9
2025-08-01 20:00 - 23:00 CEST 1B 49.9 3.9
2025-08-01 21:00 - 00:00 CEST 1B 51.0 4.0
2025-08-01 22:00 - 01:00 CEST 1B 48.7 4.5
2025-08-01 23:00 - 02:00 CEST 1B 39.4 5.6
2025-08-02 00:00 - 03:00 CEST 1A 31.7 6.4
2025-08-02 01:00 - 04:00 CEST 1A 26.8 6.8
2025-08-02 02:00 - 05:00 CEST 1A 25.4 6.2
2025-08-02 03:00 - 06:00 CEST 1A 16.6 5.4
2025-08-02 04:00 - 07:00 CEST 1A 14.5 6.1
2025-08-02 05:00 - 08:00 CEST 1A 11.1 8.9
2025-08-02 06:00 - 09:00 CEST 1A 20.4 11.4
2025-08-02 07:00 - 10:00 CEST 1B 31.2 13.3
2025-08-02 08:00 - 11:00 CEST 1B 45.5 12.0
2025-08-02 09:00 - 12:00 CEST 1B 56.1 12.1

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