Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:T2m-temperature 2m above terrain
Station:1325 - Plzen-Skvrnany
Code:CZPMPZPLS
Institution:Mun. Authority of the town Plzen
Region:Zapadocesky
District:Plzen-mesto
IHd: 150
Measure method:resistance method
Unit:K

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 270 269 275 280 279 276 278 276 275 273 ~ 269 273 275 276 277 274 272 271 270 270 270 270 274 279 277 274 273 267 265 261 272.98 280.25 30.00
2 267 273 274 278 ~ 273 272 269 265 264 266 268 269 268 267 273 ~ 270 275 275 275 272 272 271 272 273 276 276 ~ ~ ~ 271.32 277.69 26.00
3 279 281 282 279 276 274 273 275 277 278 274 276 279 281 279 274 273 274 276 276 277 278 277 278 281 283 284 281 281 280 281 277.92 283.70 31.00
4 282 283 282 283 281 286 282 280 281 283 281 281 280 279 277 275 275 276 277 277 280 282 284 283 283 284 284 283 285 286 ~ 281.24 285.87 30.00
5 289 285 287 286 284 284 286 284 285 289 286 287 285 285 282 281 286 286 288 290 287 286 284 287 289 290 292 294 293 294 291 287.11 294.38 31.00
6 291 293 290 288 291 287 289 284 288 291 286 286 288 287 290 290 290 284 285 289 285 283 286 286 288 292 291 288 291 292 ~ 288.30 293.05 30.00
7 290 291 295 300 299 292 290 288 291 294 293 292 294 ~ 289 289 291 294 295 294 294 289 287 288 291 295 291 292 ~ 292 292 292.16 299.99 29.00
8 293 293 293 294 289 295 291 295 294 290 289 287 286 291 290 288 288 291 288 288 288 286 287 289 293 293 293 289 289 290 288 290.22 295.22 31.00
9 286 287 289 291 290 291 290 290 291 291 292 291 292 291 292 290 291 291 292 293 286 292 289 289 287 287 287 285 288 288 ~ 289.66 293.30 30.00
10 285 288 283 282 280 281 282 283 285 286 285 282 279 282 279 275 277 277 276 277 279 280 281 283 282 284 281 283 281 280 279 281.21 287.99 31.00
11 278 285 279 278 278 278 278 279 278 277 276 276 275 274 272 272 273 271 271 271 270 271 271 273 276 274 275 275 271 273 ~ 274.90 284.90 30.00
12 279 277 279 275 273 274 278 279 278 277 279 280 276 274 272 271 272 273 269 270 268 265 265 269 273 276 274 273 273 273 ~ 273.71 280.47 30.00

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 87 0 0 0 87 87 87 87 87 0 0 0 284
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 0.027.3
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 91 0 0 0 91 91 91 91 91 0 0 0 294
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 0.0 30.5
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 90 0 0 0 90 90 90 90 90 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 4.7
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 91 0 0 0 91 91 91 91 91 0 0 0 288
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 2.10
ID 0 0 0 0 500 0 0 0 500
Year
ABS. 0 0 0 0 359 0 0 0 359 359 359 359 359 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 4.7
ID 0 0 0 0 500 0 0 0 500

Note:

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