Karur vs Tālcher
Side-by-side air quality comparison between Karur 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 | Karur | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | 65.90 |
| PM10(µg/m³) | 4.40 | 72.20 |
| NO₂(µg/m³) | 7.30 | 25.60 |
| SO₂(µg/m³) | 2.70 | 5.80 |
| O₃(µg/m³) | 37.00 | 19.00 |
| CO(µg/m³) | 117.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Tālcher averaged 127 — a 56-point (79%) gap, with Tālcher the more polluted and Karur the cleaner of the two.
Seasonality & days
Both cities see their worst air in December on average. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Tālcher 44 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Tālcher's 120. That's a significant difference of 114 points.