Air Pollution in Porto: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Porto pollution September 2017 - May 2020 Quality of life
Current data from stations: PT01025 PT01028 PT01030 PT01031 PT01034 PT01043 PT01044 PT01050 PT01051 PT01052 PT01053 PT01055
Locations: Porto » Maia » Matosinhos » Paços de Ferreira Municipality » Paredes Municipality » Vila do Conde Municipality » Vila Nova de Gaia Municipality »
Pollution and air quality forecast for Porto. Today is Friday, April 26, 2024. The following air pollution values have been recorded for Porto:
  1. particulate matter (PM10) suspended dust - 33 (Moderate)
  2. ozone (O3) - 240 (Very bad Hazardous)
  3. nitrogen dioxide (NO2) - 4 (Good)
  4. carbon monoxide (CO) - 178 (Good)
  5. particulate matter (PM2.5) dust - 6 (Good)
Real-time Air Quality Index (AQI) for Porto, Wednesday, January 17, 2024: 6.

air quality index: 5
AQI 6 Very bad Hazardous

What is the air quality in Porto today? Is the air polluted in Porto?. Is there smog?

Today (Wednesday, January 17, 2024) air is severely polluted in Porto. Healthy people in Porto will experience reduced endurance in activities and may also show noticeably strong symptoms of respiratory problem. At the same time, other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise in Porto. Healthy individuals should avoid outdoor activities. Other residents should avoid outdoor activities in Porto.


What is the level of PM10 today in Porto? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Porto is: 33 (Moderate) The highest PM10 values usually occur in month: 67 (January 2019). The lowest value of particulate matter PM10 pollution in Porto is usually recorded in: June (9.2).

How is the O3 level today in Porto? (ozone (O3))
240 (Very bad Hazardous)

How high is the level of NO2? (nitrogen dioxide (NO2))
4 (Good)

How high is the CO level? (carbon monoxide (CO))
178 (Good)

What is the current level of PM2.5 in Porto? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 6 (Good) For comparison, the highest level of PM2.5 in Porto in the last 7 days was: 23 (Saturday, December 23, 2023) and the lowest: 0 (Monday, January 15, 2024). The highest PM2.5 values were recorded: 50 (September 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: September (1.1).



Current data Wednesday, January 17, 2024, 7:00 AM

PM10 33 (Moderate)

O3 240 (Very bad Hazardous)

NO2 4 (Good)

CO 178 (Good)

PM2,5 6 (Good)

Data on air pollution from recent days in Porto

index 2024-01-10 2024-01-11 2024-01-12 2024-01-13 2024-01-14 2024-01-15 2024-01-16 2024-01-17 2023-12-23 2023-12-24 2023-12-25 2023-12-26 2023-12-27 2023-12-28 2023-12-29 2023-12-30
pm10 26
Moderate		 22
Moderate		 11
Good		 14
Good		 13
Good		 4
Good		 19
Good		 40
Moderate		 33
Moderate		 21
Moderate		 28
Moderate		 21
Moderate		 25
Moderate		 16
Good		 17
Good		 19
Good
o3 44
Good		 37
Good		 71
Moderate		 159
Unhealthy		 197
Very Unhealthy		 212
Very Unhealthy		 208
Very Unhealthy		 228
Very Unhealthy		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
no2 26
Good		 26
Good		 15
Good		 20
Good		 11
Good		 12
Good		 11
Good		 2
Good		 22
Good		 16
Good		 11
Good		 10
Good		 14
Good		 10
Good		 16
Good		 11
Good
co 554
Good		 504
Good		 315
Good		 387
Good		 265
Good		 251
Good		 230
Good		 178
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
pm25 -
Good		 8
Good		 6
Good		 6
Good		 3
Good		 0
Good		 5
Good		 9
Good		 23
Moderate		 15
Moderate		 22
Moderate		 15
Moderate		 18
Moderate		 8
Good		 10
Good		 12
Good
data source »
Air pollution in Porto from September 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
no2 27 (Good) 29 (Good) 24 (Good) 32 (Good) 31 (Good) 27 (Good) 22 (Good) 27 (Good) 17 (Good) 21 (Good) 27 (Good) 16 (Good) 19 (Good) 23 (Good) 30 (Good) 41 (Moderate) 33 (Good) 36 (Good) 30 (Good) 32 (Good) 30 (Good) 28 (Good) 17 (Good) 19 (Good) 22 (Good) 20 (Good) 19 (Good) 31 (Good) 33 (Good) 32 (Good) 24 (Good)
so2 22 (Good) 22 (Good) 17 (Good) 13 (Good) 7.8 (Good) 7.6 (Good) 8.8 (Good) 8.8 (Good) 7.9 (Good) 7.7 (Good) 7.4 (Good) 7.9 (Good) 6.9 (Good) 5.8 (Good) 9.2 (Good) 6.7 (Good) 5.5 (Good) 12 (Good) 16 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 18 (Good) 10 (Good) 3.2 (Good)
pm10 11 (Good) 12 (Good) 21 (Moderate) 30 (Moderate) 26 (Moderate) 18 (Good) 13 (Good) 14 (Good) 14 (Good) 12 (Good) 14 (Good) 9.2 (Good) 22 (Moderate) 43 (Moderate) 33 (Moderate) 44 (Moderate) 67 (Unhealthy for Sensitive Groups) 36 (Moderate) 21 (Moderate) 27 (Moderate) 20 (Moderate) 23 (Moderate) 14 (Good) 14 (Good) 51 (Unhealthy for Sensitive Groups) 46 (Moderate) 18 (Good) 20 (Good) 58 (Unhealthy for Sensitive Groups) 34 (Moderate) 16 (Good)
co 378 (Good) 475 (Good) 246 (Good) 711 (Good) 823 (Good) 706 (Good) 399 (Good) 537 (Good) 543 (Good) 395 (Good) 477 (Good) 489 (Good) 394 (Good) 413 (Good) 557 (Good) 788 (Good) 509 (Good) 592 (Good) 401 (Good) 401 (Good) 386 (Good) 344 (Good) 236 (Good) 256 (Good) 320 (Good) 352 (Good) 333 (Good) 281 (Good) 581 (Good) 529 (Good) 519 (Good)
o3 49 (Good) 57 (Good) 56 (Good) 47 (Good) 43 (Good) 36 (Good) 41 (Good) 27 (Good) 36 (Good) 35 (Good) 34 (Good) 38 (Good) 48 (Good) 49 (Good) 39 (Good) 31 (Good) 33 (Good) 27 (Good) 37 (Good) 42 (Good) 40 (Good) 47 (Good) 46 (Good) 46 (Good) 56 (Good) 54 (Good) 49 (Good) 33 (Good) 30 (Good) 41 (Good) 28 (Good)
pm25 2 (Good) 6.2 (Good) 8.7 (Good) 10 (Good) 15 (Moderate) 14 (Moderate) 3.2 (Good) 3.4 (Good) 4.3 (Good) 4.9 (Good) 5.3 (Good) 7.1 (Good) 9.3 (Good) 5.4 (Good) 14 (Moderate) 14 (Moderate) 14 (Moderate) 12 (Good) 23 (Moderate) 11 (Good) 50 (Unhealthy for Sensitive Groups) - (Good) - (Good) - (Good) 6.4 (Good) 7 (Good) 6 (Good) 8 (Good) 8.7 (Good) 1.8 (Good) 1.1 (Good)
data source »

Quality of life in Porto

Green and Parks in the City

Porto 65%

Morocco: 41% Andorra: 69% Spain: 70% France: 61%

particulate matter PM2.5

Porto 7 (Good)

Pleasure of spending time in the city

Porto 87%

Morocco: 41% Andorra: 84% Spain: 76% France: 68%

particulate matter PM10

Porto 19 (Good)

Air Pollution

Porto 20%

Morocco: 63% Andorra: 29% Spain: 30% France: 36%

Garbage Disposal

Porto 80%

Morocco: 33% Andorra: 89% Spain: 73% France: 59%

Availability and quality of drinking water

Porto 78%

Morocco: 55% Andorra: 100% Spain: 74% France: 73%

Cleanliness and tidiness

Porto 70%

Morocco: 39% Andorra: 75% Spain: 66% France: 48%

Noise and Light pollution

Porto 32%

Morocco: 55% Andorra: 29% Spain: 46% France: 54%

Water Pollution

Porto 16%

Morocco: 54% Andorra: 19% Spain: 29% France: 39%
Source: Numbeo


PT01025

Wednesday, January 17, 2024, 6:00 AM

PM10 49 (Moderate)

particulate matter (PM10) suspended dust

O3 82 (Moderate)

ozone (O3)

PT01028

Wednesday, January 17, 2024, 7:00 AM

PM10 1.6 (Good)

particulate matter (PM10) suspended dust

NO2 6.5 (Good)

nitrogen dioxide (NO2)

PT01030

Wednesday, January 17, 2024, 7:00 AM

CO 178 (Good)

carbon monoxide (CO)

PT01031

Wednesday, January 17, 2024, 7:00 AM

NO2 5 (Good)

nitrogen dioxide (NO2)

PM10 26 (Moderate)

particulate matter (PM10) suspended dust

O3 85 (Moderate)

ozone (O3)

PT01034

Wednesday, January 17, 2024, 7:00 AM

O3 78 (Moderate)

ozone (O3)

PM10 94 (Unhealthy)

particulate matter (PM10) suspended dust

PT01043

Wednesday, January 17, 2024, 7:00 AM

NO2 2.6 (Good)

nitrogen dioxide (NO2)

PT01044

Saturday, December 30, 2023, 6:00 AM

PM10 11 (Good)

particulate matter (PM10) suspended dust

NO2 5.9 (Good)

nitrogen dioxide (NO2)

PM2,5 3 (Good)

particulate matter (PM2.5) dust

PT01050

Wednesday, January 17, 2024, 7:00 AM

O3 78 (Moderate)

ozone (O3)

NO2 1.6 (Good)

nitrogen dioxide (NO2)

PM10 48 (Moderate)

particulate matter (PM10) suspended dust

PM2,5 8.8 (Good)

particulate matter (PM2.5) dust

PT01051

Wednesday, January 17, 2024, 7:00 AM

O3 60 (Good)

ozone (O3)

NO2 1.6 (Good)

nitrogen dioxide (NO2)

PM10 33 (Moderate)

particulate matter (PM10) suspended dust

PT01052

Wednesday, January 17, 2024, 7:00 AM

O3 69 (Good)

ozone (O3)

PM10 15 (Good)

particulate matter (PM10) suspended dust

NO2 3 (Good)

nitrogen dioxide (NO2)

PT01053

Wednesday, January 17, 2024, 7:00 AM

O3 1229 (Very bad Hazardous)

ozone (O3)

NO2 2.4 (Good)

nitrogen dioxide (NO2)

PT01055

Wednesday, January 17, 2024, 7:00 AM

PM10 22 (Moderate)

particulate matter (PM10) suspended dust

PT01025

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 45 20 2.6 14 13 9.1 19 27
o3 86 56 60 46 40 40 28 36

PT01028

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 1.7 1.6 1.5 1.7 1.9 1.6 1.4 1.4
no2 4.6 18 24 21 32 22 42 41

PT01030

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
co 178 230 251 265 387 315 504 554

PT01031

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
o3 90 58 62 52 47 48 32 33
pm10 31 20 3.9 12 16 16 22 27
no2 2.9 14 15 8.3 15 13 23 25

PT01034

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 111 39 11 26 25 16 35 41
o3 81 48 46 33 37 44 28 25

PT01043

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 1.6 14 14 9.7 20 22 24 23

PT01044

index 2023-12-30 2023-12-29 2023-12-28 2023-12-27 2023-12-26 2023-12-25 2023-12-24 2023-12-23
pm10 19 17 16 25 21 28 21 33
no2 11 16 10 14 9.9 11 16 22
pm25 12 9.8 8.4 18 15 22 15 23

PT01050

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 48 20 2.6 15 14 9.8 22 27
o3 81 53 55 42 35 39 24 21
no2 1.8 8.1 9.5 10 23 14 32 29
pm25 8.8 4.6 0.15 2.8 5.8 5.6 8.3 -

PT01051

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
o3 71 52 60 47 41 41 25 26
no2 2.5 8.1 6 6.4 14 11 24 21
pm10 34 20 1.9 10 11 8.8 21 26

PT01052

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
o3 75 42 38 31 37 38 20 9.9
no2 2 6.4 10 7 10 12 19 23
pm10 18 12 1.6 6 13 13 27 28

PT01053

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 1.4 4.9 8.5 11 23 8.1 19 20
o3 1111 1146 1163 1128 879 248 102 157

PT01055

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 33 21 4.7 16 16 12 27 27

PT01023

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01
pm10 - - - - - - - - - - - - - 151 100 173 547 184 48 97 23 24 14 14 18 19 15 20 24
o3 - - - - - 34 41 25 41 42 44 50 59 64 50 33 35 - - - - - - - - - - - -
no2 17 18 25 36 32 29 26 34 31 26 27 22 19 20 27 36 21 - - - - - - - - - - - -

PT01024

index 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 - - - - - - - - - - - - - - - - - - - - - 15 28 27 19
no2 21 26 19 14 17 16 16 19 29 36 25 32 26 33 28 26 17 18 17 19 16 13 20 34 28

PT01025

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 17 15 24 25 24 18 - - 9.8 11 12 8.9 15 18 26 44 26 24 24 23 23 22 14 13 20 25 15 26 25 47 18
so2 6.6 11 9.3 6 5 6 7.4 8.4 6.9 5.9 7.1 7.3 7.3 5.9 7.5 6.7 5.5 12 16 - - - - - - - - - 18 13 3.1

PT01028

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10
pm10 - - - - - - - - 7.2 13 15 11 15 15 23 26 13 16 18 22 25 25 10 8.5 18 25 21 12 22 60
co 417 397 490 655 710 605 382 584 576 456 446 472 398 357 506 712 261 468 313 305 303 246 159 164 209 250 230 4 461 388
no2 41 46 - - - - - - 6.6 11 8 13 32 50 71 89 83 81 69 75 66 63 43 43 59 50 45 92 88 -

PT01030

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 11 11 23 27 26 22 14 14 17 13 16 11 13 14 22 32 21 20 16 14 18 28 12 15 22 27 15 21 128 40 20
co 339 552 1 767 935 806 415 489 510 334 508 506 389 469 608 864 757 716 489 496 468 442 312 347 430 453 436 558 701 669 519
no2 39 46 48 67 62 54 48 64 - 60 34 33 37 41 49 64 51 50 36 41 43 38 18 27 31 27 27 31 41 49 36

PT01031

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 - 5.3 17 12 21 21 15 15 16 12 14 - 121 164 77 32 22 22 20 20 20 21 13 11 18 15 13 13 375 46 19
no2 - - - - - - 16 19 15 10 12 9.3 11 12 18 26 25 26 21 21 21 18 10 15 16 17 16 18 24 33 24
o3 53 58 51 40 36 34 41 - 49 45 44 55 62 64 52 36 - - - - - - - - - - - - 41 54 32

PT01034

index 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 - - 14 15 16 12 15 9.4 13 12 19 37 26 18 - - - - - - 395 159 - 21 22 20 10
o3 31 30 37 25 27 26 22 25 31 34 34 35 33 28 39 45 43 51 56 52 63 58 52 39 28 49 46

PT01043

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 5.9 6.2 11 12 16 13 8.7 8 7.6 6.2 8.3 5.9 6 6 8.7 20 19 16 11 8.9 8.6 9 7.3 6.7 7 7.1 8 18 13 15 5.5
no2 - - - - - - - - - 28 108 - 21 20 30 41 36 32 24 25 25 23 14 16 19 18 20 30 30 33 24

PT01044

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 17 13 24 92 71 18 14 16 18 15 20 14 19 19 21 13 14 25 22 28 23 26 26 20 29 22 16 31 28 30 17
no2 - - 20 19 18 18 14 15 15 12 13 11 14 12 17 23 11 - - 24 17 15 9.2 7.7 9.3 8.3 9 16 17 19 13
o3 48 61 63 48 51 43 51 31 31 46 34 - 61 52 51 - - - - - 23 26 24 30 47 58 50 38 30 29 25
pm25 2 6.2 8.7 10 15 14 3.2 3.4 4.3 4.9 5.3 7.1 9.3 3.5 17 - - - - - - - - - - - - - - - -

PT01050

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm25 - - - - - - - - - - - - 7.2 11 14 14 12 23 11 50 - - - 6.4 7 6 8 8.7 1.8 1.1
o3 74 74 66 55 52 47 43 31 40 35 31 53 66 30 34 32 29 44 46 43 50 49 52 70 70 67 42 34 38 26

PT01051

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 - - 11 14 14 - 9 8.9 8.1 5.8 7.6 4.2 9.2 9.8 14 50 - - 13 17 11 11 5.2 9.4 10 9.9 7.6 11 14 26 10
no2 30 27 13 18 22 23 14 13 12 13 12 10 10 16 17 33 22 24 18 20 20 21 13 13 14 13 14 22 26 32 24
o3 34 48 67 62 49 24 28 21 27 25 24 28 38 46 29 27 50 - - - - - - - - - - - - - -

PT01052

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 - - 11 15 19 19 16 15 14 17 22 15 17 17 25 33 32 24 20 19 23 31 21 21 27 24 14 24 26 36 20
no2 8.6 7.8 12 19 21 13 11 20 21 14 16 13 14 13 15 22 19 8.7 15 19 20 19 13 13 12 6.6 5.1 23 22 22 16
o3 39 43 39 31 32 31 37 27 39 33 31 29 34 33 29 21 19 23 30 33 42 52 48 46 55 52 51 29 30 36 23

PT01053

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
o3 43 54 52 48 52 47 51 - 32 29 40 39 43 36 37 32 32 27 36 44 47 54 54 51 47 34 25 15 17 43 18
pm10 10 7.5 30 33 25 17 9.6 14 18 17 3.7 2 3 79 42 39 2.2 12 19 21 23 27 17 17 23 160 14 30 22 28 -

PT01055

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-10 2017-09
pm10 3.3 25 40 41 22 18 16 17 18 15 15 10 14 14 21 36 17 19 23 26 27 14 18 23 58 65 16 26 33 17
so2 38 32 24 20 11 9.3 10 9.2 8.8 9.5 7.7 8.4 6.5 5.7 11 - - - - - - - - - - - - - 7 3.3

* Pollution data source: https://openaq.org (EEA Portugal) The data is licensed under CC-By 4.0