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: 2025-12-05 06:26 CET


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
2025-12-04 04:00 - 07:00 CET 1A 1.8 10.4 31.9 4.4
2025-12-04 05:00 - 08:00 CET 1A 1.8 9.9 32.8 6.4
2025-12-04 06:00 - 09:00 CET 1A 1.8 8.9 34.0 6.2
2025-12-04 07:00 - 10:00 CET 1A 1.8 8.2 34.8 5.3
2025-12-04 08:00 - 11:00 CET 1A 1.3 7.5 36.4 4.3
2025-12-04 09:00 - 12:00 CET 1A 1.3 6.6 38.4 4.2
2025-12-04 10:00 - 13:00 CET 1A 1.3 6.1 39.8 4.2
2025-12-04 11:00 - 14:00 CET 1A 1.3 5.7 39.2 2.9
2025-12-04 12:00 - 15:00 CET 1A 1.3 7.1 37.8 2.1
2025-12-04 13:00 - 16:00 CET 1A 1.3 8.6 36.0 2.1
2025-12-04 14:00 - 17:00 CET 1A 1.3 9.8 33.6 5.9
2025-12-04 15:00 - 18:00 CET 1A 1.3 11.1 31.0 7.6
2025-12-04 16:00 - 19:00 CET 1A 1.3 11.4 29.7 7.5
2025-12-04 17:00 - 20:00 CET 1A 1.3 10.9 30.2 6.2
2025-12-04 18:00 - 21:00 CET 1A 1.3 10.0 31.6 4.0
2025-12-04 19:00 - 22:00 CET 1A 1.3 9.9 32.0 2.2
2025-12-04 20:00 - 23:00 CET 1A 1.8 10.2 32.7 1.0
2025-12-04 21:00 - 00:00 CET 1A 2.3 10.7 32.4 1.9
2025-12-04 22:00 - 01:00 CET 1A 2.9 10.3 33.5 2.8
2025-12-04 23:00 - 02:00 CET 1A 2.5 9.6 32.7 2.6
2025-12-05 00:00 - 03:00 CET 1A 1.9 8.5 32.6 2.0
2025-12-05 01:00 - 04:00 CET 1A 1.3 7.0 35.7 4.8
2025-12-05 02:00 - 05:00 CET 1A 1.3 5.6 40.5 6.6
2025-12-05 03:00 - 06:00 CET 1A 1.3 5.0 42.4 7.4

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