Puducherry vs Tālcher
Side-by-side air quality comparison between Puducherry 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 | Puducherry | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 16.40 | 66.60 |
| PM10(µg/m³) | 19.20 | 72.90 |
| NO₂(µg/m³) | 18.50 | 20.10 |
| SO₂(µg/m³) | 8.80 | 10.00 |
| O₃(µg/m³) | 37.00 | 60.00 |
| CO(µg/m³) | 394.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Tālcher averaged 127 — a 72-point (131%) gap, with Tālcher the more polluted and Puducherry the cleaner of the two. On 864 days when both cities reported, Puducherry was cleaner on 722 of them; the average daily gap was 60 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Tālcher 44 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Puducherry has better air quality with an AQI of 27 compared to Tālcher's 123. That's a significant difference of 96 points.