Charkhi Dādri vs Karur
Side-by-side air quality comparison between Charkhi Dādri and Karur.
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 | Charkhi Dādri | Karur |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 3.80 |
| PM10(µg/m³) | 194.20 | 4.20 |
| NO₂(µg/m³) | 12.60 | 6.80 |
| SO₂(µg/m³) | 9.40 | 3.00 |
| O₃(µg/m³) | 83.00 | 38.00 |
| CO(µg/m³) | 490.00 | 131.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Karur averaged 71 — a 74-point (104%) gap, with Charkhi Dādri the more polluted and Karur the cleaner of the two. On 70 days when both cities reported, Karur was cleaner on 68 of them; the average daily gap was 138 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Karur peaks in December. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Charkhi Dādri's 163. That's a significant difference of 157 points.