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: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST 2B 116.8 29.2
2025-07-03 15:00 - 18:00 CEST 2B 107.8 24.0
2025-07-03 16:00 - 19:00 CEST 2B 93.6 22.2
2025-07-03 17:00 - 20:00 CEST 2A 80.7 19.9
2025-07-03 18:00 - 21:00 CEST 2A 73.1 18.5
2025-07-03 19:00 - 22:00 CEST 2A 66.5 20.1
2025-07-03 20:00 - 23:00 CEST 2A 64.0 19.2
2025-07-03 21:00 - 00:00 CEST 2A 61.4 18.1
2025-07-03 22:00 - 01:00 CEST 1B 58.9 14.2
2025-07-03 23:00 - 02:00 CEST 1B 58.6 12.4
2025-07-04 00:00 - 03:00 CEST 1B 57.3 13.5
2025-07-04 01:00 - 04:00 CEST 1B 57.0 13.2
2025-07-04 02:00 - 05:00 CEST 1B 55.0 14.0
2025-07-04 03:00 - 06:00 CEST 1B 59.3 14.0
2025-07-04 04:00 - 07:00 CEST 2A 59.8 16.0
2025-07-04 05:00 - 08:00 CEST 2A 61.8 16.0
2025-07-04 06:00 - 09:00 CEST 2A 62.8 17.7
2025-07-04 07:00 - 10:00 CEST 2A 66.1 18.2
2025-07-04 08:00 - 11:00 CEST 2A 72.5 21.4
2025-07-04 09:00 - 12:00 CEST 2A 75.9 24.1
2025-07-04 10:00 - 13:00 CEST 23.9
2025-07-04 11:00 - 14:00 CEST 20.6
2025-07-04 12:00 - 15:00 CEST 2A 97.4 14.1
2025-07-04 13:00 - 16:00 CEST 2B 98.6 28.5

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