Air Pollution in San Martín del Rey Aurelio: Real-time Air Quality Index and smog alert.

The latest data Last 7 days
Current data from stations: BLIMEA
Locations: « Asturias San Martín del Rey Aurelio Sotrondio »
Pollution and air quality forecast for San Martín del Rey Aurelio. Today is Friday, May 2, 2025. The following air pollution values have been recorded for San Martín del Rey Aurelio:
  1. nitrogen dioxide (NO2) - 20 (Good)
  2. sulfur dioxide (SO2) - 3 (Good)
  3. carbon monoxide (CO) - 120 (Good)
  4. ozone (O3) - 77 (Moderate)
  5. particulate matter (PM10) suspended dust - 4 (Good)
Real-time Air Quality Index (AQI) for San Martín del Rey Aurelio, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in San Martín del Rey Aurelio today? Is the air polluted in San Martín del Rey Aurelio?. Is there smog?

Today (Wednesday, January 17, 2024) air quality is moderate in San Martín del Rey Aurelio. Some pollutants in San Martín del Rey Aurelio may slightly affect very few hypersensitive individuals. Air pollutants in San Martín del Rey Aurelio may cause minor breathing discomfort to sensitive people.


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

What is the level of SO2 pollution? (sulfur dioxide (SO2))
3 (Good)

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

How is the O3 level today in San Martín del Rey Aurelio? (ozone (O3))
77 (Moderate)

What is the level of PM10 today in San Martín del Rey Aurelio? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Martín del Rey Aurelio is: 4 (Good) The highest PM10 values usually occur in month: 35 (February 2020). The lowest value of particulate matter PM10 pollution in San Martín del Rey Aurelio is usually recorded in: August (1.9).



Current data Wednesday, January 17, 2024, 9:00 AM

NO2 20 (Good)

SO2 3 (Good)

CO 120 (Good)

O3 77 (Moderate)

PM10 4 (Good)

Data on air pollution from recent days in San Martín del Rey Aurelio

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
no2 17
Good		 9
Good		 11
Good		 17
Good		 11
Good		 13
Good		 13
Good		 5
Good
so2 2
Good		 1
Good		 1
Good		 2
Good		 2
Good		 2
Good		 2
Good		 2
Good
co 307
Good		 202
Good		 437
Good		 599
Good		 452
Good		 164
Good		 131
Good		 127
Good
pm10 14
Good		 10
Good		 13
Good		 21
Moderate		 15
Good		 10
Good		 10
Good		 3
Good
o3 30
Good		 50
Good		 39
Good		 30
Good		 28
Good		 41
Good		 42
Good		 91
Moderate
data source »

Air pollution in San Martín del Rey Aurelio from September 2017 to May 2020

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 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-01 2017-12 2017-11 2017-10 2017-09
no2 2.3 (Good) 3.3 (Good) 4.7 (Good) 3.5 (Good) 5.2 (Good) 8.9 (Good) 0.7 (Good) 0.3 (Good) 1.6 (Good) 0.45 (Good) 0.58 (Good) 6.7 (Good) 6.7 (Good) 5.3 (Good) 7.8 (Good) 16 (Good) 16 (Good) 16 (Good) 3.8 (Good) 5.7 (Good) 5.2 (Good) 4.9 (Good) 7 (Good) 4.9 (Good) 15 (Good) 7.3 (Good) 12 (Good) 8.9 (Good) 13 (Good) 8.4 (Good) 6.4 (Good)
so2 2.7 (Good) 2.1 (Good) 2.3 (Good) 2.5 (Good) 3.7 (Good) 2.7 (Good) 0.2 (Good) 0.12 (Good) 0.57 (Good) 0.16 (Good) 0.8 (Good) 2.6 (Good) 2.4 (Good) 2.5 (Good) 2.5 (Good) 2.8 (Good) 3.9 (Good) 3.2 (Good) 3 (Good) 6.3 (Good) 3.1 (Good) 3.1 (Good) 3.8 (Good) 4.8 (Good) 5.3 (Good) 5.7 (Good) 4.9 (Good) 5 (Good) 5 (Good) 4.2 (Good) 5.1 (Good)
co 127 (Good) 278 (Good) 171 (Good) 169 (Good) 326 (Good) 213 (Good) 15 (Good) 12 (Good) 33 (Good) 11 (Good) 56 (Good) 123 (Good) 124 (Good) 151 (Good) 171 (Good) 256 (Good) 213 (Good) 163 (Good) 239 (Good) 496 (Good) 134 (Good) 102 (Good) 237 (Good) 103 (Good) 321 (Good) 557 (Good) 337 (Good) 291 (Good) 241 (Good) 171 (Good) 198 (Good)
o3 45 (Good) 38 (Good) 55 (Good) 40 (Good) 37 (Good) 12 (Good) 3.8 (Good) 1.4 (Good) 13 (Good) 2.1 (Good) 6 (Good) 51 (Good) 64 (Good) 83 (Moderate) 73 (Moderate) 57 (Good) 47 (Good) 29 (Good) 37 (Good) 31 (Good) 26 (Good) 27 (Good) 30 (Good) 43 (Good) 49 (Good) 50 (Good) 15 (Good) 19 (Good) 28 (Good) 34 (Good) 38 (Good)
pm10 - (Good) - (Good) 25 (Moderate) 35 (Moderate) 19 (Good) - (Good) 3.1 (Good) - (Good) 11 (Good) 1.9 (Good) 3 (Good) 17 (Good) 20 (Good) 19 (Good) 23 (Moderate) 26 (Moderate) 18 (Good) 19 (Good) 14 (Good) 18 (Good) 13 (Good) 22 (Moderate) 23 (Moderate) 25 (Moderate) 20 (Good) 17 (Good) 29 (Moderate) 29 (Moderate) 23 (Moderate) 18 (Good) 12 (Good)
data source »

BLIMEA

Wednesday, January 17, 2024, 9:00 AM

NO2 20 (Good)

nitrogen dioxide (NO2)

SO2 3 (Good)

sulfur dioxide (SO2)

CO 120 (Good)

carbon monoxide (CO)

O3 77 (Moderate)

ozone (O3)

PM10 4 (Good)

particulate matter (PM10) suspended dust

BLIMEA

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 5.3 13 13 11 17 11 9.1 17
so2 2.1 2.3 1.7 1.5 1.8 1.3 1.4 1.7
co 127 131 164 452 599 437 202 307
pm10 2.9 10 9.9 15 21 13 10 14
o3 91 42 41 28 30 39 50 30

ES1433A

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 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-01 2017-12 2017-11 2017-10 2017-09
pm10 - - 25 35 19 - 3.1 - 11 1.9 3 17 20 19 23 26 18 19 14 18 13 22 23 25 20 17 29 29 23 18 12
co 127 278 171 169 326 213 15 12 33 11 56 123 124 151 171 256 213 163 239 496 134 102 237 103 321 557 337 291 241 171 198
so2 2.7 2.1 2.3 2.5 3.7 2.7 0.2 0.12 0.57 0.16 0.8 2.6 2.4 2.5 2.5 2.8 3.9 3.2 3 6.3 3.1 3.1 3.8 4.8 5.3 5.7 4.9 5 5 4.2 5.1
no2 2.3 3.3 4.7 3.5 5.2 8.9 0.7 0.3 1.6 0.45 0.58 6.7 6.7 5.3 7.8 16 16 16 3.8 5.7 5.2 4.9 7 4.9 15 7.3 12 8.9 13 8.4 6.4
o3 45 38 55 40 37 12 3.8 1.4 13 2.1 6 51 64 83 73 57 47 29 37 31 26 27 30 43 49 50 15 19 28 34 38

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