Is time to run? ⚠️☢️☣️

Čáslav (Central Bohemia) (CZ)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
12°C
Cloudy
Humidity
45.5%
Wind
4 m/s
Pressure
1015.9 hPa
Direction
298°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
5° / 14°
Precip.
0mm
Max wind
6.8 m/s

Hourly Forecast

03.04
Now
Weather
12°
03.04
14:00
Weather
12°
03.04
15:00
Weather
12°
03.04
16:00
Weather
11°
03.04
17:00
Weather
10°
03.04
18:00
Weather
03.04
19:00
Weather
03.04
20:00
Weather
03.04
21:00
Weather
03.04
22:00
Weather
03.04
23:00
Weather
04.04
00:00
Weather
04.04
01:00
Weather
04.04
02:00
Weather
04.04
03:00
Weather
04.04
04:00
Weather
5
04.04
05:00
Weather
5
04.04
06:00
Weather
6
04.04
07:00
Weather
6
04.04
08:00
Weather
5
04.04
09:00
Weather
10°
6
04.04
10:00
Weather
13°
7
04.04
11:00
Weather
13°
6
04.04
12:00
Weather
14°
6

Temperature

14°C
5°C
13:00
12°C
14:00
12°C
15:00
12°C
16:00
11°C
17:00
10°C
18:00
9°C
19:00
8°C
20:00
7°C
21:00
6°C
22:00
6°C
23:00
6°C
00:00
6°C
01:00
5°C
02:00
5°C
03:00
6°C
04:00
7°C
05:00
7°C
06:00
7°C
07:00
7°C
08:00
9°C
09:00
10°C
10:00
13°C
11:00
13°C
12:00
14°C
13:00 00:00 12:00

Precipitation

0mm
0mm
13:00 00:00 12:00

Wind

6.8m/s
0m/s
13:00
4.3 m/s
14:00
4.1 m/s
15:00
4.2 m/s
16:00
3 m/s
17:00
1.9 m/s
18:00
3.5 m/s
19:00
4.4 m/s
20:00
4.1 m/s
21:00
3.5 m/s
22:00
3.5 m/s
23:00
4 m/s
00:00
4.2 m/s
01:00
4.2 m/s
02:00
4.2 m/s
03:00
4.7 m/s
04:00
5.3 m/s
05:00
5.4 m/s
06:00
5.6 m/s
07:00
5.5 m/s
08:00
5.3 m/s
09:00
5.7 m/s
10:00
6.8 m/s
11:00
6.3 m/s
12:00
5.8 m/s
13:00 00:00 12:00

Radiation

0.086 uSv
43.9 km
10.7%

Measurement time: 2026-04-03 12:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
70.7 km
169
56.3%

Measurement time: 2026-04-03 14:00

Calculated from PM2.5/PM10

PM2.5
70.7 km
92 µg/m3
109.5%

Measurement time: 2026-04-03 14:00

source: Aqicn

PM10
70.7 km
30 µg/m3
21.4%

Measurement time: 2026-04-03 14:00

source: Aqicn

O3
70.7 km
30.9 µg/m3
19.3%

Measurement time: 2026-04-03 14:00

source: Aqicn

IJP
97.4 km
1
14.3%

Measurement time: 2026-04-03 13:05

source: LookO2

NO2
70.7 km
5.2 µg/m3
2.6%

Measurement time: 2026-04-03 14:00

source: Aqicn

SO2
70.7 km
2.1 µg/m3
0.6%

Measurement time: 2026-04-03 14:00

source: Aqicn

PM1
97.4 km
10 µg/m3

Measurement time: 2026-04-03 13:05

source: LookO2

Info


Country: Czechia
Latitude: 49.91099
Longitude: 15.38972


Solar Energy

Low
145.6 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Čáslav

About Air Quality in Čáslav

Air quality in Čáslav is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Čáslav

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Čáslav?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Čáslav

If you're planning outdoor activities in Čáslav, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.