Worst air pollution Peyanvilai, today and tomorrow
Today (22 September): Air quality in Peyanvilai is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:30 PM (PM2.5: 20.4/100).
Tomorrow (23 September 2026): Air quality in Peyanvilai is good. AQI improves to good; PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 12:30 AM (PM2.5: 19.1/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Peyanvilai's air quality reflects the Tamil Nadu southern coastal plain's position near the Gulf of Mannar, with consistent Arabian Sea and Bay of Bengal maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and local agricultural and fishing operations contribute modest local sources, while the outstanding coastal exposure generally maintains good to moderate conditions throughout most of the year.
Today - 22 September | Pollution peaks at 21:30
AQI:
Fair
20.4/100
PM2.5 (fine particles):
Fair
20.4/100
PM10 (coarse particles):
Good
7.3/100
NO2 (nitrogen dioxide):
Good
8.0/100
O3 (ozone):
Good
13.2/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
7.3/100
PM1 (ultrafine particles):
Good
15.6/100
Levels show the poorest local air quality during the day
Tomorrow - 23 September | Pollution peaks at 00:30
AQI:
Good
19.1/100
PM2.5 (fine particles):
Good
19.1/100
PM10 (coarse particles):
Good
6.3/100
NO2 (nitrogen dioxide):
Good
7.8/100
O3 (ozone):
Good
11.0/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
7.0/100
PM1 (ultrafine particles):
Good
13.9/100
Frequently Asked Questions
Is air quality bad in Peyanvilai right now?
On 22 September 2026, overall air quality in Peyanvilai is fair. AQI is the main air quality indicator at 20.4/100. Pollution peaks around 9:30 PM (PM2.5: 20.4/100).
Will air quality be worse tomorrow in Peyanvilai?
On 23 September 2026, air quality conditions in Peyanvilai will be better than today, with AQI forecast at good at 19.1/100. Pollution peaks around 12:30 AM (PM2.5: 19.1/100).
When is air pollution at its worst in Peyanvilai?
Air quality in Peyanvilai tends to be worse when road traffic, agricultural activity, together with port and shipping activity build up and maritime winds die down. Sea breezes typically keep conditions in check, except during still weather. This coastal advantage is less pronounced during still, high-pressure weather.
Are air quality levels in Peyanvilai 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.
Check air quality in other popular cities:
Data provided by Airmine — Last update: 22 September 2026 at 20:32 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.
Get the full experience in the Airmine app.