Chandigarh vs Tālcher
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 66.60 |
| PM10(µg/m³) | 63.60 | 72.90 |
| NO₂(µg/m³) | 30.10 | 20.10 |
| SO₂(µg/m³) | 10.30 | 10.00 |
| O₃(µg/m³) | 64.00 | 60.00 |
| CO(µg/m³) | 602.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Tālcher averaged 127 — a 26-point (20%) gap, with Chandigarh the more polluted and Tālcher the cleaner of the two. On 1285 days when both cities reported, Tālcher was cleaner on 737 of them; the average daily gap was 66 AQI points.
Seasonality & days
Chandigarh peaks in January, while Tālcher peaks in December. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Tālcher 44 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Tālcher's 123.