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: 2025-08-02 11:25 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
2025-08-01 09:00 - 12:00 CEST 1B 6.9 14.5 32.8 12.7
2025-08-01 10:00 - 13:00 CEST 1B 5.6 12.3 43.2 11.8
2025-08-01 11:00 - 14:00 CEST 1B 3.6 8.1 56.2 10.1
2025-08-01 12:00 - 15:00 CEST 2A 2.0 5.0 66.0 8.4
2025-08-01 13:00 - 16:00 CEST 2A 1.3 2.6 73.3 5.6
2025-08-01 14:00 - 17:00 CEST 2A 1.3 2.5 75.7 6.0
2025-08-01 15:00 - 18:00 CEST 2A 1.3 1.7 77.1 6.0
2025-08-01 16:00 - 19:00 CEST 2A 1.3 1.7 76.8 8.0
2025-08-01 17:00 - 20:00 CEST 2A 1.3 2.0 74.0 7.9
2025-08-01 18:00 - 21:00 CEST 2A 2.1 4.1 71.9 8.1
2025-08-01 19:00 - 22:00 CEST 2A 3.6 6.6 71.5 7.3
2025-08-01 20:00 - 23:00 CEST 2A 4.9 8.2 73.4 6.2
2025-08-01 21:00 - 00:00 CEST 2A 6.2 8.8 70.6 9.1
2025-08-01 22:00 - 01:00 CEST 2A 6.5 8.5 65.2 10.2
2025-08-01 23:00 - 02:00 CEST 2A 4.1 5.4 60.1 12.1
2025-08-02 00:00 - 03:00 CEST 2A 1.3 2.5 67.8 9.3
2025-08-02 01:00 - 04:00 CEST 2A 1.3 2.5 74.5 8.4
2025-08-02 02:00 - 05:00 CEST 2A 1.3 2.4 71.6 8.5
2025-08-02 03:00 - 06:00 CEST 2A 1.3 2.3 71.3 8.5
2025-08-02 04:00 - 07:00 CEST 2A 1.3 2.4 69.6 9.4
2025-08-02 05:00 - 08:00 CEST 2A 1.3 2.3 69.4 8.8
2025-08-02 06:00 - 09:00 CEST 2A 1.3 2.3 65.8 12.3
2025-08-02 07:00 - 10:00 CEST 2A 1.3 2.1 63.1 12.7
2025-08-02 08:00 - 11:00 CEST 2A 1.3 2.4 61.3 14.0

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