Worst air pollution Trichinopoly, today and tomorrow
Today (22 September): Air quality in Trichinopoly is moderate. AQI, NO2, and PM1 are moderate; PM2.5 is fair; PM10, O3, SO2, CO, and HCHO are good. Pollution peaks around 9:30 PM (PM1: 46.0/100).
Tomorrow (23 September 2026): Air quality in Trichinopoly is fair. AQI improves to fair; PM10 increases to fair; NO2 decreases to fair; PM1 decreases to fair; all other pollutants stay as today. Pollution peaks around 7:30 PM (PM1: 38.3/100). 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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Trichinopoly's air quality reflects the flat Tamil Nadu Kaveri River delta plain at 78 metres, with vehicle traffic on surrounding roads and the vehicle density, manufacturing, and agricultural corridor generating elevated PM2.5. The Bay of Bengal and Arabian Sea monsoon influences provide seasonal ventilation, while the dry season concentrates vehicle and industrial emissions and Tiruchirappalli generally maintains moderate South Indian Kaveri delta metropolitan readings throughout most of the year.
Today - 22 September | Pollution peaks at 21:30
AQI:
Moderate
46.0/100
PM2.5 (fine particles):
Fair
37.8/100
PM10 (coarse particles):
Good
19.8/100
NO2 (nitrogen dioxide):
Moderate
44.7/100
O3 (ozone):
Good
17.5/100
SO2 (sulfur dioxide):
Good
4.6/100
CO (carbon monoxide):
Good
1.2/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Moderate
46.0/100
Levels show the poorest local air quality during the day
Tomorrow - 23 September | Pollution peaks at 19:30
AQI:
Fair
38.3/100
PM2.5 (fine particles):
Fair
35.6/100
PM10 (coarse particles):
Fair
35.3/100
NO2 (nitrogen dioxide):
Fair
31.8/100
O3 (ozone):
Good
18.5/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
6.9/100
PM1 (ultrafine particles):
Fair
38.3/100
Frequently Asked Questions
Is air quality bad in Trichinopoly right now?
On 22 September 2026, overall air quality in Trichinopoly is moderate. AQI is the main air quality indicator at 46.0/100. Pollution peaks around 9:30 PM (PM1: 46.0/100).
Will air quality be worse tomorrow in Trichinopoly?
On 23 September 2026, air quality conditions in Trichinopoly will be better than today, with AQI forecast at fair at 38.3/100. Pollution peaks around 7:30 PM (PM1: 38.3/100).
When is air pollution at its worst in Trichinopoly?
Pollution in Trichinopoly typically rises when traffic on the surrounding roads, manufacturing activity, together with crop farming combine, especially once dry spells bring strong winds. Dust carried on these winds adds substantially to particulate levels. The wet season generally clears the air, while the dry season lets levels build back up.
Are air quality levels in Trichinopoly 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: 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.
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