Kanchipuram vs Tālcher
Side-by-side air quality comparison between Kanchipuram and Tālcher.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Kanchipuram | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 9.40 | 66.60 |
| PM10(µg/m³) | 11.10 | 72.90 |
| NO₂(µg/m³) | 10.40 | 20.10 |
| SO₂(µg/m³) | 4.60 | 10.00 |
| O₃(µg/m³) | 44.00 | 60.00 |
| CO(µg/m³) | 243.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Tālcher averaged 127 — a 76-point (149%) gap, with Tālcher the more polluted and Kanchipuram the cleaner of the two. On 215 days when both cities reported, Kanchipuram was cleaner on 193 of them; the average daily gap was 83 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Tālcher peaks in December. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Tālcher 44 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Tālcher's 123. That's a significant difference of 107 points.