D3 laser dust sensor
  -69 dBm

Earlier at this time
27. 6. 2026 13 ug/m38 ug/m3
26. 6. 2026 18 ug/m311 ug/m3
25. 6. 2026 10 ug/m35 ug/m3
24. 6. 2026 5 ug/m32 ug/m3
A year ago 7.5 ug/m34.0 ug/m3
Statistics
Location: Radiměř
Measurements count: 2 837 316
Measured since: 5. 11. 2022
Highest PM 2.5: 1203 ug/m3 - 10. 8. 2025 19:00
Lowest PM 2.5: 0 ug/m3 - 6. 11. 2022 15:51
About sensorTODAY
 4:49    21:05

PM 2.5
MIN: 9 ug/m3   MAX: 30 ug/m3 
 15:00    07:05

PM 1.0
MIN: 5 ug/m3   MAX: 19 ug/m3 

PM 10
MIN: 11 ug/m3   MAX: 40 ug/m3 
PM 2.5
MIN: 9 ug/m3   MAX: 30 ug/m3 
PM 1.0
MIN: 5 ug/m3   MAX: 19 ug/m3 
PM 10
MIN: 11 ug/m3   MAX: 40 ug/m3 

ČHMÚ warning - Very High Temperatures

Temperature is expected to rise above 34 °C.

Drink lots of water or other non-alcoholic beverages. Reduce outdoor activities and do not stay outdoors in the direct sunlight. Do not let children and pets in cars parked in the direct sunlight. Pay more attention to people at risk - children, the elderly and people with chronic diseases.

Effective until: 29. 6. 2026, 00:00

ČHMÚ warning - Very Strong Thunderstorms

Isolated very severe thunderstorms with wind gusts 70 to 90 km/h, precipitation around 50 mm, in repeated storms even more, and hail aroud 2 cm are expected.

Torrential rainfall and rapid local flooding may occur, rain might cause small streams to overflow. Thunderstorms may be accompanied by hail and strong winds that could result in damage to property, trees and injuries. Be careful when outdoors. Difficult driving conditions are expected, drive with particular care. Do not walk or drive through stream of water and flooded places.

Effective until: 30. 6. 2026, 00:00

ČHMÚ warning - Danger of Fires

Risk of fire.

Do not make fires in the country. Do not smoke or use open fire in the country.

Effective until: 29. 6. 2026, 00:00

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Author: multi.tricker.cz, service: TMEP.