Updated: 2025-01-22 04:29 CET

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Basic data
Locality:	Ostrava - Krasne Pole
Code:	TOKLA
Type of measuring programme:	Automated measuring program
Locality owner:	ZU, MSK
Classification
Abbreviation:	B/S/R
Localization
Coordinates:	49° 50´ 42.293" North latitude 18° 7´ 25.097" East longitude
Altitude:	307 m

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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
2025-01-21 02:00 - 05:00 CET	1A			12.7						11.7
2025-01-21 03:00 - 06:00 CET	1A			12.0						11.3
2025-01-21 04:00 - 07:00 CET	1A			11.7						11.0
2025-01-21 05:00 - 08:00 CET	1A			12.0						11.3
2025-01-21 06:00 - 09:00 CET	1A			13.0						12.3
2025-01-21 07:00 - 10:00 CET	1A			15.7						14.7
2025-01-21 08:00 - 11:00 CET	1A			18.0						16.3
2025-01-21 09:00 - 12:00 CET	1A			20.0						18.3
2025-01-21 10:00 - 13:00 CET	1A			19.7						18.3
2025-01-21 11:00 - 14:00 CET	1A			21.0						19.3
2025-01-21 12:00 - 15:00 CET	1A			22.3						20.0
2025-01-21 13:00 - 16:00 CET	1A			27.0						24.0
2025-01-21 14:00 - 17:00 CET	1B			31.0						28.3
2025-01-21 15:00 - 18:00 CET	1B			34.7						32.3
2025-01-21 16:00 - 19:00 CET	1B			37.0						35.0
2025-01-21 17:00 - 20:00 CET	1B			35.7						33.7
2025-01-21 18:00 - 21:00 CET	1B			34.7						32.7
2025-01-21 19:00 - 22:00 CET	1B			32.3						30.3
2025-01-21 20:00 - 23:00 CET	1B			33.3						31.3
2025-01-21 21:00 - 00:00 CET	1B			32.7						31.0
2025-01-21 22:00 - 01:00 CET	1B			31.7						30.3
2025-01-21 23:00 - 02:00 CET	1A			30.3						29.3
2025-01-22 00:00 - 03:00 CET	1A			30.0						29.0
2025-01-22 01:00 - 04:00 CET	1B			30.7						29.3

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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

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Map of station position

Map is on page with detailed information about locality