D3 laser dust sensor
  -74 dBm

Earlier at this time
10. 7. 2026 7 ug/m34 ug/m3
9. 7. 2026 6 ug/m33 ug/m3
8. 7. 2026 5 ug/m33 ug/m3
7. 7. 2026 6 ug/m33 ug/m3
A year ago 5.8 ug/m33.0 ug/m3
Statistics
Location: Radiměř
Measurements count: 2 840 855
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
 4:59    21:00

PM 2.5
MIN: 6 ug/m3   MAX: 8 ug/m3 
 00:25    00:00

PM 1.0
MIN: 3 ug/m3   MAX: 5 ug/m3 

PM 10
MIN: 7 ug/m3   MAX: 10 ug/m3 
PM 2.5
MIN: 6 ug/m3   MAX: 8 ug/m3 
PM 1.0
MIN: 3 ug/m3   MAX: 5 ug/m3 
PM 10
MIN: 7 ug/m3   MAX: 10 ug/m3 

ČHMÚ warning - Moderate Fire Impact

Risk of fires due to prolonged drought. Possible damage to ecosystems, property, forestry, agriculture, etc. Risk of human injury. Deterioration of air quality causing respiratory problems and other health issues. Possible transport complications due to reduced visibility.

Do not light fires outdoors, do not burn grass, do not smoke or discard cigarette butts on the ground. Do not use portable stoves or other open flame sources. Follow local bans issued due to drought and fire risk. Stay alert when using agricultural machinery and near railway tracks where sparks from wheels and brakes can ignite vegetation.

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