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: Rychvald
Code: TRYCA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 49° 52´ 18.011" North latitude 18° 22´ 38.116" East longitude
Altitude: 241 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 PM₂.₅
3h average 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 µg∙m⁻³
2026-05-23 15:00 - 18:00 CEST 2A 1.8 4.0 11.1 101.1 8.2
2026-05-23 16:00 - 19:00 CEST 2B 2.9 3.8 14.3 101.9 10.7
2026-05-23 17:00 - 20:00 CEST 2B 2.9 5.3 12.6 100.6 14.1
2026-05-23 18:00 - 21:00 CEST 2B 2.9 6.9 16.2 94.7 15.2
2026-05-23 19:00 - 22:00 CEST 2A 2.5 10.9 15.7 87.6 15.3
2026-05-23 20:00 - 23:00 CEST 2A 1.9 13.9 21.6 78.8 16.2
2026-05-23 21:00 - 00:00 CEST 2A 2.7 16.4 21.9 70.4 16.5
2026-05-23 22:00 - 01:00 CEST 2A 2.5 17.5 31.1 60.3 20.4
2026-05-23 23:00 - 02:00 CEST 2A 2.5 17.7 34.3 53.2 26.5
2026-05-24 00:00 - 03:00 CEST 2A 1.8 17.1 35.1 47.4 29.0
2026-05-24 01:00 - 04:00 CEST 2A 1.8 14.9 29.5 43.8 32.9
2026-05-24 02:00 - 05:00 CEST 2A 1.8 14.5 26.3 41.2 27.2
2026-05-24 03:00 - 06:00 CEST 2A 2.3 14.4 27.5 39.8 21.1
2026-05-24 04:00 - 07:00 CEST 2A 3.3 14.1 30.3 41.8 17.0
2026-05-24 05:00 - 08:00 CEST 2A 5.3 12.2 27.5 44.2 18.0
2026-05-24 06:00 - 09:00 CEST 2A 6.7 11.0 23.1 50.9 17.5
2026-05-24 07:00 - 10:00 CEST 2A 7.2 9.5 15.5 61.6 13.2
2026-05-24 08:00 - 11:00 CEST 2A 6.9 9.4 17.1 75.8 8.4
2026-05-24 09:00 - 12:00 CEST 2A 5.9 7.8 15.4 89.0 6.2
2026-05-24 10:00 - 13:00 CEST 2B 4.5 6.1 14.6 97.1 4.0
2026-05-24 11:00 - 14:00 CEST 2A 3.2 4.0 9.1 99.3 5.5
2026-05-24 12:00 - 15:00 CEST 2A 2.9 3.4 9.1 102.7 7.7
2026-05-24 13:00 - 16:00 CEST 2B 3.0 3.0 8.8 106.3 12.8
2026-05-24 14:00 - 17:00 CEST 2B 2.5 2.8 8.4 109.1 12.2

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