Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:T2m-temperature 2m above terrain
Station:1321 - Plzen-stred
Code:CZPMPZPST
Institution:Plzeň Municipal Authority
Region:Zapadocesky
District:Plzen-mesto
IHd: 150
Measure method:resistance method
Unit:K

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 274 276 280 279 279 278 281 281 283 279 273 271 272 273 276 279 276 276 277 275 273 273 272 271 270 267 266 268 271 271 265 274.29 282.51 31.00
2 262 264 269 267 269 272 273 274 276 276 279 282 283 284 284 283 277 278 281 278 277 280 279 279 282 282 281 278 ~ ~ ~ 276.82 284.28 28.00
3 276 280 284 289 279 279 283 278 273 274 273 274 276 278 277 281 281 281 277 275 275 274 274 274 274 276 281 284 283 283 286 278.39 288.58 31.00
4 287 286 285 283 283 283 284 281 282 284 282 280 279 277 281 279 282 281 280 283 283 284 288 287 289 292 292 286 289 289 ~ 284.07 292.22 30.00
5 290 286 286 283 285 285 286 291 293 293 294 294 291 289 285 286 286 288 290 289 286 283 283 285 287 287 291 295 295 292 293 288.69 294.86 31.00
6 288 294 292 295 299 299 301 ~ 294 293 288 286 283 289 290 289 288 288 291 293 298 294 292 291 296 296 296 293 294 295 ~ 292.50 301.40 29.00
7 292 289 292 289 289 290 286 286 289 291 291 290 294 290 290 290 292 293 294 299 300 294 298 295 292 293 294 292 292 292 292 291.88 299.82 31.00
8 295 295 292 295 292 293 296 298 294 294 299 ~ 291 291 294 296 297 296 292 295 291 289 288 288 287 291 286 286 286 288 285 292.06 299.34 30.00
9 288 290 289 291 288 289 290 289 293 294 289 286 283 283 285 285 285 286 286 286 286 285 286 285 284 285 287 287 286 287 ~ 287.01 294.33 30.00
10 282 280 281 281 281 281 285 285 285 285 284 282 282 285 285 283 287 283 281 280 283 286 287 284 283 281 282 285 280 279 279 282.75 287.42 31.00
11 280 278 280 279 277 278 276 277 281 282 277 275 276 276 277 276 273 273 271 271 266 267 271 272 272 272 275 274 273 273 ~ 275.00 282.11 30.00
12 269 269 272 271 272 271 270 267 265 264 267 274 279 278 280 278 275 275 277 275 272 273 272 272 275 279 282 276 273 274 273 273.22 281.83 31.00

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

Quarter

concentration classes in IHd multiples

total ind.

part of it in IHd multiples

max.
date

<=1/3 <=2/3 <=1.0 <=1.5 <=2.0 <=3.0 <=4.0 > 1/32/31.01.52.0 3.04.0

concentration classes in measurement units

part of above IHd multiples in meas. units

0- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 0 0 0 0 90 0 0 0 90 90 90 90 90 0 0 0 289
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.04.3
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 89 1 0 0 90 90 90 90 90 1 0 0 301
REL. 0.0 0.0 0.0 0.0 98.8 1.1 0.0 0.0 100.0 100.0 100.0 100.0 100.0 1.1 0.0 0.0 7.6
ID 0 0 0 0 494 27 0 0 522
ABS. 0 0 0 0 91 0 0 0 91 91 91 91 91 0 0 0 300
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 21.7
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 92 0 0 0 92 92 92 92 92 0 0 0 287
REL 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.017.10
ID 0 0 0 0 500 0 0 0 500
Year
ABS. 0 0 0 0 362 1 0 0 363 363 363 363 363 1 0 0 301
REL. 0.0 0.0 0.0 0.0 99.7 0.2 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.3 0.0 0.0 7.6
ID 0 0 0 0 498 6 0 0 505

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum