Worst air pollution Manresa, today and tomorrow
Today (20 September): Air quality in Manresa is moderate. AQI and NO2 are moderate; PM2.5, PM10, O3, and PM1 are fair; SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 40.4/100).
Tomorrow (21 September 2026): Air quality in Manresa is moderate. All pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 50.0/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Manresa's air quality reflects the Cardoner-Llobregat river valley in the Barcelona metropolitan area's inland industrial corridor, with vehicle traffic on the C-55 and surrounding salt mining, manufacturing, and logistics operations contributing local sources. The surrounding Montserrat massif and the Bages highland ridgelines create topographic enclosure, while the valley floor concentrates emissions under calm winter conditions and Barcelona's metropolitan sea breeze provides afternoon ventilation.
Today - 20 September | Pollution peaks at 22:00
AQI:
Moderate
40.4/100
PM2.5 (fine particles):
Fair
39.1/100
PM10 (coarse particles):
Fair
22.7/100
NO2 (nitrogen dioxide):
Moderate
40.4/100
O3 (ozone):
Fair
23.6/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
9.9/100
PM1 (ultrafine particles):
Fair
24.9/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 22:00
AQI:
Moderate
50.0/100
PM2.5 (fine particles):
Fair
36.7/100
PM10 (coarse particles):
Fair
21.6/100
NO2 (nitrogen dioxide):
Moderate
50.0/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
10.6/100
PM1 (ultrafine particles):
Fair
25.7/100
Pollen forecast in Manresa
View pollen forecastFrequently Asked Questions
Is air quality bad in Manresa right now?
On 20 September 2026, overall air quality in Manresa is moderate. AQI is the main air quality indicator at 40.4/100. Pollution peaks around 10:00 PM (NO2: 40.4/100).
Will air quality be worse tomorrow in Manresa?
On 21 September 2026, air quality conditions in Manresa will be similar to today, with AQI forecast at moderate at 50.0/100. Pollution peaks around 10:00 PM (NO2: 50.0/100).
When is air pollution at its worst in Manresa?
What time of year has the cleanest air in Manresa? Air quality often reaches its yearly low in the depths of winter, when still, cold air holds local emissions from traffic and heating close to ground level. By spring, air quality usually starts trending upward as the calm winter inversions give way to more unsettled, breezier weather. During summer, strong sunlight and high temperatures accelerate ozone formation, occasionally offsetting the drop in traffic and heating-related emissions. The transition into autumn generally brings cleaner conditions, as more frequent rainfall and lower temperatures curb ozone formation. Being on the Mediterranean coast helps with dispersal most of the year, though summer tourism and North African dust episodes remain a factor.
Are air quality levels in Manresa based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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