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: 2025-09-08 18:25 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
2025-09-07 16:00 - 19:00 CEST 2A 78.5 4.3
2025-09-07 17:00 - 20:00 CEST 1B 75.2 3.7
2025-09-07 18:00 - 21:00 CEST 1B 68.0 2.9
2025-09-07 19:00 - 22:00 CEST 1B 61.4 2.3
2025-09-07 20:00 - 23:00 CEST 1B 56.5 2.1
2025-09-07 21:00 - 00:00 CEST 1B 54.4 2.4
2025-09-07 22:00 - 01:00 CEST 1B 55.9 2.7
2025-09-07 23:00 - 02:00 CEST 1B 55.2 2.8
2025-09-08 00:00 - 03:00 CEST 1B 54.5 3.0
2025-09-08 01:00 - 04:00 CEST 1B 51.3 2.8
2025-09-08 02:00 - 05:00 CEST 1B 45.1 2.7
2025-09-08 03:00 - 06:00 CEST 1B 40.6 2.6
2025-09-08 04:00 - 07:00 CEST 1B 37.2 2.9
2025-09-08 05:00 - 08:00 CEST 1A 32.7 4.4
2025-09-08 06:00 - 09:00 CEST 1B 29.1 9.2
2025-09-08 07:00 - 10:00 CEST 1B 33.5 13.9
2025-09-08 08:00 - 11:00 CEST 1B 42.5 17.7
2025-09-08 09:00 - 12:00 CEST 1B 52.9 16.3
2025-09-08 10:00 - 13:00 CEST 2A 62.5 14.7
2025-09-08 11:00 - 14:00 CEST 2A 72.9 11.5
2025-09-08 12:00 - 15:00 CEST 2A 82.5 9.6
2025-09-08 13:00 - 16:00 CEST 2A 89.9 7.2
2025-09-08 14:00 - 17:00 CEST 2A 93.7 6.4
2025-09-08 15:00 - 18:00 CEST 2A 97.7 6.1

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