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: 2026-04-04 18:25 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
2026-04-03 16:00 - 19:00 CEST 2A 2.6 4.1 71.4 8.1
2026-04-03 17:00 - 20:00 CEST 2A 3.4 5.0 69.1 7.3
2026-04-03 18:00 - 21:00 CEST 2A 3.4 4.8 70.2 8.0
2026-04-03 19:00 - 22:00 CEST 2A 3.3 4.5 71.5 9.8
2026-04-03 20:00 - 23:00 CEST 2A 3.2 4.0 73.7 9.9
2026-04-03 21:00 - 00:00 CEST 2A 3.4 4.2 73.8 10.1
2026-04-03 22:00 - 01:00 CEST 2A 5.3 6.5 73.2 8.8
2026-04-03 23:00 - 02:00 CEST 2A 6.4 7.5 71.7 8.4
2026-04-04 00:00 - 03:00 CEST 2A 6.9 7.5 73.5 5.2
2026-04-04 01:00 - 04:00 CEST 2A 5.9 6.1 73.9 4.3
2026-04-04 02:00 - 05:00 CEST 2A 5.5 5.5 74.7 6.3
2026-04-04 03:00 - 06:00 CEST 2A 5.1 4.2 74.8 6.7
2026-04-04 04:00 - 07:00 CEST 2A 4.2 2.6 75.3 6.9
2026-04-04 05:00 - 08:00 CEST 2A 3.5 1.0 75.3 6.0
2026-04-04 06:00 - 09:00 CEST 2A 3.4 1.0 72.1 5.2
2026-04-04 07:00 - 10:00 CEST 2A 3.2 1.0 70.4 6.3
2026-04-04 08:00 - 11:00 CEST 2A 3.2 1.0 70.4 6.5
2026-04-04 09:00 - 12:00 CEST 2A 2.6 1.0 71.1 9.4
2026-04-04 10:00 - 13:00 CEST 2A 2.0 1.0 69.7 9.0
2026-04-04 11:00 - 14:00 CEST 1B 1.8 1.7 66.1 8.6
2026-04-04 12:00 - 15:00 CEST 1B 1.8 2.4 66.0 6.1
2026-04-04 13:00 - 16:00 CEST 1B 1.8 3.2 68.4 4.9
2026-04-04 14:00 - 17:00 CEST 2A 1.8 3.2 72.1 4.8
2026-04-04 15:00 - 18:00 CEST 2A 2.2 2.9 73.4 4.3

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