Worst air pollution Grosseto, today and tomorrow
Today (16 July): Air quality in Grosseto is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 44.6/100).
Tomorrow (17 July 2026): Air quality in Grosseto is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 39.1/100). 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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Grosseto's air quality benefits from its Maremma Tuscany coastal plain position, with consistent Tyrrhenian sea breezes providing reliable maritime ventilation across the flat Ombrone river delta agricultural landscape. Vehicle traffic on the SS1 Aurelia national road is the primary local source, while the surrounding Maremma Natural Park's extensive coastal wetlands and the open Tyrrhenian coastline generally maintain Grosseto among Tuscany's cleaner coastal urban environments throughout most of the year.
Today - 16 July | Pollution peaks at 14:00
AQI:
Medium
44.6/100
PM2.5 (fine particles):
Good
13.0/100
PM10 (coarse particles):
Good
9.0/100
NO2 (nitrogen dioxide):
Good
7.8/100
O3 (ozone):
Medium
44.6/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.2/100
PM1 (ultrafine particles):
Good
8.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Fair
39.1/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Good
9.8/100
O3 (ozone):
Fair
39.1/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.4/100
PM1 (ultrafine particles):
Good
10.5/100
Pollen forecast in Grosseto
View pollen forecastFrequently Asked Questions
Is air quality bad in Grosseto right now?
On 16 July 2026, overall air quality in Grosseto is medium. AQI is the main air quality indicator at 44.6/100. Pollution peaks around 2:00 PM (O3: 44.6/100).
Will air quality be worse tomorrow in Grosseto?
On 17 July 2026, air quality conditions in Grosseto will be worse than today, with AQI forecast at fair at 39.1/100. Pollution peaks around 11:00 AM (O3: 39.1/100).
When is air pollution at its worst in Grosseto?
Air quality dips in Grosseto mostly track oak and lentisk pollen peaks and periods of vehicle traffic on the SS1 Aurelia national road is the primary local source; the remainder of the year, the local setting keeps things noticeably clearer than average.
Are air quality levels in Grosseto 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.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app