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: 2025-04-03 00:25 CEST


Basic data Locality photo
Locality: Sneznik
Code: USNZA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/R/N-REG
Localization
Coordinates: 50° 47´ 21.998" North latitude 14° 5´ 12.475" East longitude
Altitude: 590 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
2025-04-01 22:00 - 01:00 CEST 2B 1.9 1.0 75.6
2025-04-01 23:00 - 02:00 CEST 1B 1.9 1.3 74.3 0.6
2025-04-02 00:00 - 03:00 CEST 1B 1.9 1.9 72.1 2.5
2025-04-02 01:00 - 04:00 CEST 2A 1.3 2.6 68.9 7.1
2025-04-02 02:00 - 05:00 CEST 1B 1.3 2.9 65.1 9.3
2025-04-02 03:00 - 06:00 CEST 1B 1.3 3.1 61.9 12.1
2025-04-02 04:00 - 07:00 CEST 1B 1.8 3.5 58.6 12.2
2025-04-02 05:00 - 08:00 CEST 1B 2.2 3.8 56.0 11.7
2025-04-02 06:00 - 09:00 CEST 1B 2.0 4.0 56.1 15.0
2025-04-02 07:00 - 10:00 CEST 2A 1.3 3.6 60.8 15.5
2025-04-02 08:00 - 11:00 CEST 2A 1.3 3.5 67.0 15.0
2025-04-02 09:00 - 12:00 CEST 2A 1.3 3.0 73.1 10.8
2025-04-02 10:00 - 13:00 CEST 2A 1.3 2.2 78.5 8.6
2025-04-02 11:00 - 14:00 CEST 2A 1.3 1.4 85.3 11.8
2025-04-02 12:00 - 15:00 CEST 2A 1.3 1.0 90.5 14.1
2025-04-02 13:00 - 16:00 CEST 2A 1.3 1.0 93.5 14.7
2025-04-02 14:00 - 17:00 CEST 2A 1.3 1.0 93.1 11.9
2025-04-02 15:00 - 18:00 CEST 2A 1.3 1.0 92.3 10.3
2025-04-02 16:00 - 19:00 CEST 2A 1.3 1.3 91.2 9.9
2025-04-02 17:00 - 20:00 CEST 2A 1.3 1.9 90.1 9.8
2025-04-02 18:00 - 21:00 CEST 2A 1.3 1.9 90.3 10.6
2025-04-02 19:00 - 22:00 CEST 2A 1.3 1.6 91.4 14.3
2025-04-02 20:00 - 23:00 CEST 2A 1.3 1.0 93.6 17.2
2025-04-02 21:00 - 00:00 CEST 2B 1.3 1.0 93.8 19.8

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