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: 2025-12-15 19:25 CET


Basic data Locality photo
Locality: Letiste Praha
Code: ALERA
Type of measuring programme: Automated measuring program
Locality owner: Letiste Praha, s.r.o.
Classification
Abbreviation: T/S/C
Localization
Coordinates: 50° 6´ 25.510" North latitude 14° 15´ 26.014" East longitude
Altitude: 376 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
2025-12-14 17:00 - 20:00 CET 1A 18.2 18.7 15.8 7.8
2025-12-14 18:00 - 21:00 CET 1A 16.0 18.8 16.4 7.9
2025-12-14 19:00 - 22:00 CET 1A 14.1 18.1 16.3 8.0
2025-12-14 20:00 - 23:00 CET 1A 13.1 18.3 15.8 9.1
2025-12-14 21:00 - 00:00 CET 1A 12.4 18.1 15.8 10.0
2025-12-14 22:00 - 01:00 CET 1A 12.1 18.5 15.5 11.4
2025-12-14 23:00 - 02:00 CET 1A 10.2 16.7 15.9 10.4
2025-12-15 00:00 - 03:00 CET 1A 8.3 14.8 15.3 9.0
2025-12-15 01:00 - 04:00 CET 1A 7.3 13.7 15.9 7.8
2025-12-15 02:00 - 05:00 CET 1A 7.0 14.5 15.6 8.0
2025-12-15 03:00 - 06:00 CET 1A 7.1 15.1 15.2 7.6
2025-12-15 04:00 - 07:00 CET 1A 8.9 14.9 14.5 6.5
2025-12-15 05:00 - 08:00 CET 1A 9.8 13.9 14.3 5.3
2025-12-15 06:00 - 09:00 CET 1A 11.0 14.3 13.8 5.1
2025-12-15 07:00 - 10:00 CET 1A 10.5 14.4 14.1 5.0
2025-12-15 08:00 - 11:00 CET 1A 12.9 15.4 14.7 5.1
2025-12-15 09:00 - 12:00 CET 1A 14.5 15.3 15.6 5.8
2025-12-15 10:00 - 13:00 CET 1A 15.8 16.8 16.5 6.5
2025-12-15 11:00 - 14:00 CET 1A 16.4 17.7 15.7 6.6
2025-12-15 12:00 - 15:00 CET 1A 16.8 17.7 15.6 6.3
2025-12-15 13:00 - 16:00 CET 1A 16.0 16.8 14.9 6.8
2025-12-15 14:00 - 17:00 CET 1A 17.0 16.2 14.8 7.5
2025-12-15 15:00 - 18:00 CET 1A 18.2 17.5 13.5 9.0
2025-12-15 16:00 - 19:00 CET 1A 21.5 19.4 10.2 9.4

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