Kalyān vs Tālcher
Side-by-side air quality comparison between Kalyān 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 | Kalyān | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 24.30 | 46.20 |
| PM10(µg/m³) | 50.80 | 59.80 |
| NO₂(µg/m³) | 5.00 | 3.90 |
| SO₂(µg/m³) | 16.90 | 32.00 |
| O₃(µg/m³) | 106.00 | 237.00 |
| CO(µg/m³) | 150.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Tālcher averaged 127 — a 32-point (34%) gap, with Tālcher the more polluted and Kalyān the cleaner of the two. On 865 days when both cities reported, Tālcher was cleaner on 457 of them; the average daily gap was 57 AQI points.
Seasonality & days
Kalyān peaks in January, while Tālcher peaks in December. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Tālcher 44 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Kalyān has better air quality with an AQI of 52 compared to Tālcher's 77.