Updated: 2025-12-05 06:26 CET
| Locality: |
Letiste Praha
|
|
| Code: |
ALERA |
| Type of measuring programme: |
Automated measuring program |
| Locality owner: |
Letiste Praha, s.r.o. |
| Abbreviation: |
T/S/C |
| Coordinates: |
50° 6´ 25.510" North latitude 14° 15´ 26.014" East longitude |
| Altitude: |
376 m |
Actual measured level of air pollution
Actual unverified data
| 2025-12-04 04:00 - 07:00 CET |
1B
|
|
18.4 |
28.0 |
11.1 |
|
|
|
|
16.7 |
| 2025-12-04 05:00 - 08:00 CET |
1B
|
|
22.8 |
29.2 |
8.4 |
|
|
|
|
16.0 |
| 2025-12-04 06:00 - 09:00 CET |
1B
|
|
28.0 |
33.2 |
5.2 |
|
|
|
|
18.7 |
| 2025-12-04 07:00 - 10:00 CET |
1B
|
|
30.6 |
35.5 |
4.5 |
|
|
|
|
19.4 |
| 2025-12-04 08:00 - 11:00 CET |
1B
|
|
35.1 |
36.6 |
7.6 |
|
|
|
|
22.0 |
| 2025-12-04 09:00 - 12:00 CET |
1B
|
|
35.0 |
32.4 |
13.6 |
|
|
|
|
19.9 |
| 2025-12-04 10:00 - 13:00 CET |
1B
|
|
28.9 |
28.3 |
23.8 |
|
|
|
|
18.7 |
| 2025-12-04 11:00 - 14:00 CET |
1B
|
|
19.6 |
23.2 |
30.7 |
|
|
|
|
13.4 |
| 2025-12-04 12:00 - 15:00 CET |
1A
|
|
13.7 |
20.9 |
33.9 |
|
|
|
|
11.4 |
| 2025-12-04 13:00 - 16:00 CET |
1A
|
|
15.7 |
20.9 |
31.2 |
|
|
|
|
9.6 |
| 2025-12-04 14:00 - 17:00 CET |
1B
|
|
16.6 |
23.4 |
28.6 |
|
|
|
|
12.6 |
| 2025-12-04 15:00 - 18:00 CET |
1B
|
|
17.4 |
26.0 |
26.3 |
|
|
|
|
12.7 |
| 2025-12-04 16:00 - 19:00 CET |
1B
|
|
17.9 |
26.9 |
22.8 |
|
|
|
|
13.5 |
| 2025-12-04 17:00 - 20:00 CET |
1B
|
|
22.2 |
27.5 |
17.3 |
|
|
|
|
11.8 |
| 2025-12-04 18:00 - 21:00 CET |
1B
|
|
27.9 |
28.9 |
10.9 |
|
|
|
|
13.1 |
| 2025-12-04 19:00 - 22:00 CET |
1B
|
|
31.5 |
32.4 |
6.6 |
|
|
|
|
16.8 |
| 2025-12-04 20:00 - 23:00 CET |
1B
|
|
30.9 |
35.0 |
4.9 |
|
|
|
|
18.5 |
| 2025-12-04 21:00 - 00:00 CET |
1B
|
|
27.6 |
36.0 |
6.1 |
|
|
|
|
21.3 |
| 2025-12-04 22:00 - 01:00 CET |
1B
|
|
22.7 |
34.3 |
9.1 |
|
|
|
|
19.6 |
| 2025-12-04 23:00 - 02:00 CET |
1B
|
|
19.4 |
29.6 |
11.9 |
|
|
|
|
17.6 |
| 2025-12-05 00:00 - 03:00 CET |
1B
|
|
17.9 |
24.5 |
12.5 |
|
|
|
|
14.7 |
| 2025-12-05 01:00 - 04:00 CET |
1A
|
|
17.2 |
19.3 |
12.2 |
|
|
|
|
12.0 |
| 2025-12-05 02:00 - 05:00 CET |
1A
|
|
16.9 |
17.9 |
11.8 |
|
|
|
|
11.9 |
| 2025-12-05 03:00 - 06:00 CET |
1A
|
|
17.9 |
17.6 |
10.5 |
|
|
|
|
11.7 |
|
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 |
Map of station position
Map is on page with detailed information about locality