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

The latest data Last 7 days
Current data from stations: CASTELLÓ-GRAU
Locations: « Castellón de la Plana/Castelló de la Plana El Grao
Pollution and air quality forecast for El Grao. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for El Grao:
  1. particulate matter (PM2.5) dust - 2 (Good)
  2. particulate matter (PM10) suspended dust - 4 (Good)
  3. sulfur dioxide (SO2) - 20 (Good)
  4. ozone (O3) - 26 (Good)
  5. nitrogen dioxide (NO2) - 30 (Good)
Real-time Air Quality Index (AQI) for El Grao, Wednesday, January 17, 2024: 1.

air quality index: 0
AQI 1 Good

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

Today (Wednesday, January 17, 2024) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in El Grao.


What is the current level of PM2.5 in El Grao? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 2 (Good) For comparison, the highest level of PM2.5 in El Grao in the last 7 days was: 8 (Saturday, January 13, 2024) and the lowest: 1 (Wednesday, January 17, 2024).

What is the level of PM10 today in El Grao? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in El Grao is: 4 (Good) The highest PM10 values usually occur in month: 30 (January 2020). The lowest value of particulate matter PM10 pollution in El Grao is usually recorded in: August (1.3).

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

How is the O3 level today in El Grao? (ozone (O3))
26 (Good)

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



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

PM2,5 2 (Good)

PM10 4 (Good)

SO2 20 (Good)

O3 26 (Good)

NO2 30 (Good)

1 (Good)

Data on air pollution from recent days in El Grao

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
so2 5
Good		 4
Good		 6
Good		 4
Good		 6
Good		 7
Good		 9
Good		 11
Good
pm10 8
Good		 3
Good		 8
Good		 12
Good		 12
Good		 8
Good		 9
Good		 2
Good
o3 19
Good		 38
Good		 24
Good		 16
Good		 21
Good		 25
Good		 19
Good		 46
Good
pm25 5
Good		 2
Good		 5
Good		 8
Good		 8
Good		 3
Good		 5
Good		 1
Good
no2 24
Good		 8
Good		 26
Good		 24
Good		 18
Good		 26
Good		 27
Good		 13
Good
no -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 6
Good		 5
Good		 -
Good
data source »

Air pollution in El Grao 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 2018-09 2018-07 2018-06 2018-01 2017-12 2017-11 2017-10 2017-09
o3 43 (Good) 54 (Good) 56 (Good) 26 (Good) 29 (Good) 6.7 (Good) 3.4 (Good) 14 (Good) 34 (Good) 1.9 (Good) 9.1 (Good) 43 (Good) 60 (Good) 73 (Moderate) 53 (Good) 52 (Good) 41 (Good) 26 (Good) 29 (Good) 50 (Good) 14 (Good) - (Good) 40 (Good) 40 (Good) 52 (Good)
so2 3.1 (Good) 3 (Good) 3.1 (Good) 3.2 (Good) 3.9 (Good) 0.98 (Good) 0.32 (Good) 0.72 (Good) 1.6 (Good) 0.17 (Good) 0.6 (Good) 4.3 (Good) 4.6 (Good) 3.4 (Good) 3.8 (Good) 4 (Good) 3.2 (Good) 3.5 (Good) - (Good) 6 (Good) 7.5 (Good) - (Good) 8.2 (Good) 4.4 (Good) 5.2 (Good)
no2 - (Good) 12 (Good) 12 (Good) 12 (Good) 12 (Good) 3.1 (Good) 1.1 (Good) 2.2 (Good) 2.2 (Good) 0.86 (Good) 1.8 (Good) 14 (Good) 12 (Good) 16 (Good) 20 (Good) 34 (Good) 18 (Good) 13 (Good) - (Good) 6.9 (Good) 33 (Good) 28 (Good) 30 (Good) 26 (Good) 29 (Good)
pm10 - (Good) - (Good) - (Good) - (Good) 30 (Moderate) 11 (Good) 1.7 (Good) 6.4 (Good) 16 (Good) 1.3 (Good) 6.3 (Good) 27 (Moderate) 20 (Good) 19 (Good) 28 (Moderate) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
data source »

CASTELLÓ-GRAU

Wednesday, January 17, 2024, 9:00 AM

PM2,5 2 (Good)

particulate matter (PM2.5) dust

PM10 4 (Good)

particulate matter (PM10) suspended dust

SO2 20 (Good)

sulfur dioxide (SO2)

O3 26 (Good)

ozone (O3)

NO2 30 (Good)

nitrogen dioxide (NO2)

1 (Good)

index_name_no

CASTELLÓ-GRAU

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
so2 11 8.7 6.6 5.7 4 5.5 3.9 4.9
pm10 2.4 9 7.5 12 12 8 3.2 7.7
o3 46 19 25 21 16 24 38 19
pm25 1.3 4.6 3.3 7.8 7.9 4.8 2.1 4.8
no2 13 27 26 18 24 26 8.5 24
no - 4.8 5.7 - - - - -

ES1445A

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 2018-09 2018-07 2018-06 2018-01 2017-12 2017-11 2017-10 2017-09
no2 - 12 12 12 12 3.1 1.1 2.2 2.2 0.86 1.8 14 12 16 20 34 18 13 - 6.9 33 28 30 26 29
so2 3.1 3 3.1 3.2 3.9 0.98 0.32 0.72 1.6 0.17 0.6 4.3 4.6 3.4 3.8 4 3.2 3.5 - 6 7.5 - 8.2 4.4 5.2
o3 43 54 56 26 29 6.7 3.4 14 34 1.9 9.1 43 60 73 53 52 41 26 29 50 14 - 40 40 52
pm10 - - - - 30 11 1.7 6.4 16 1.3 6.3 27 20 19 28 - - - - - - - - - -

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