Worst air pollution Neuchâtel, today and tomorrow
Today (16 July): Air quality in Neuchâtel is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 43.2/100).
Tomorrow (17 July 2026): Air quality in Neuchâtel is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 32.5/100). 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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Neuchâtel's air quality benefits from its Lake Neuchâtel shoreline position at the Jura's edge, with lake breezes providing ventilation. Vehicle traffic on the A5 motorway is the primary local emission source.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
43.2/100
PM2.5 (fine particles):
Good
14.0/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Fair
32.6/100
O3 (ozone):
Medium
43.2/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
14.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
32.5/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Fair
22.5/100
O3 (ozone):
Fair
32.5/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
7.1/100
Pollen forecast in Neuchâtel
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Neuchâtel
Frequently Asked Questions
Is air quality bad in Neuchâtel right now?
On 16 July 2026, overall air quality in Neuchâtel is fair. NO2 is the main pollutant at 32.6/100. Pollution peaks around 1:00 PM (O3: 43.2/100).
Will air quality be worse tomorrow in Neuchâtel?
On 17 July 2026, air quality conditions in Neuchâtel will be similar to today, with AQI forecast at fair at 32.5/100. Pollution peaks around 1:00 PM (O3: 32.5/100).
When is air pollution at its worst in Neuchâtel?
Neuchâtel sees its worst air quality on windless winter mornings, when vehicle traffic and farmland activity pool across the open terrain under conditions typical of this Mittelland setting. Warmer months bring noticeably better airflow across the open terrain, with only the occasional summer ozone spike breaking an otherwise clean pattern through spring and autumn.
Are air quality levels in Neuchâtel 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.
Want to see air quality forecasts for other cities in Switzerland?
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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