D3 laser dust sensor
  -67 dBm

7 ug/m3
4. 5. 2026 08:25
PM 1.0
4 ug/m3
PM 10
9 ug/m3
Earlier at this time
3. 5. 2026 7 ug/m33 ug/m3
2. 5. 2026 11 ug/m37 ug/m3
1. 5. 2026 ug/m3
30. 4. 2026 15 ug/m39 ug/m3
A year ago 14.0 ug/m37.9 ug/m3
Statistics
Location: Radiměř
Measurements count: 2 821 963
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
 5:25    20:16

PM 2.5
MIN: 5 ug/m3   MAX: 15 ug/m3 
 00:00    05:30

PM 1.0
MIN: 2 ug/m3   MAX: 8 ug/m3 

PM 10
MIN: 6 ug/m3   MAX: 18 ug/m3 
TODAY
 5:25     20:16
PM 2.5
MIN: 5 ug/m3   MAX: 15 ug/m3 
PM 1.0
MIN: 2 ug/m3   MAX: 8 ug/m3 
PM 10
MIN: 6 ug/m3   MAX: 18 ug/m3 

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: 6. 5. 2026, 00:00

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