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: 2026-05-24 17:25 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
2026-05-23 15:00 - 18:00 CEST 2A 102.0 8.9
2026-05-23 16:00 - 19:00 CEST 2A 101.9 8.4
2026-05-23 17:00 - 20:00 CEST 2A 101.2 9.4
2026-05-23 18:00 - 21:00 CEST 2A 99.0 11.1
2026-05-23 19:00 - 22:00 CEST 2A 95.2 11.6
2026-05-23 20:00 - 23:00 CEST 2A 90.8 11.9
2026-05-23 21:00 - 00:00 CEST 2A 85.7 11.8
2026-05-23 22:00 - 01:00 CEST 2A 79.0 14.2
2026-05-23 23:00 - 02:00 CEST 2A 70.1 17.3
2026-05-24 00:00 - 03:00 CEST 2A 65.4 20.1
2026-05-24 01:00 - 04:00 CEST 2A 63.9 19.1
2026-05-24 02:00 - 05:00 CEST 2A 57.5 19.3
2026-05-24 03:00 - 06:00 CEST 1B 42.6 18.1
2026-05-24 04:00 - 07:00 CEST 1B 41.2 20.1
2026-05-24 05:00 - 08:00 CEST 1B 39.5 22.1
2026-05-24 06:00 - 09:00 CEST 2A 46.5 25.9
2026-05-24 07:00 - 10:00 CEST 2A 55.8 25.4
2026-05-24 08:00 - 11:00 CEST 2A 69.6 21.3
2026-05-24 09:00 - 12:00 CEST 2A 84.9 16.6
2026-05-24 10:00 - 13:00 CEST 2A 98.4 13.8
2026-05-24 11:00 - 14:00 CEST 2B 105.5 11.5
2026-05-24 12:00 - 15:00 CEST 2B 109.1 12.4
2026-05-24 13:00 - 16:00 CEST 2B 108.7 12.4
2026-05-24 14:00 - 17:00 CEST 2B 108.4 12.6

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