Dindigul vs Karnal
Side-by-side air quality comparison between Dindigul and Karnal.
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 | Dindigul | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 110.80 |
| PM10(µg/m³) | 19.70 | 258.90 |
| NO₂(µg/m³) | 28.00 | 55.20 |
| SO₂(µg/m³) | 2.70 | 12.50 |
| O₃(µg/m³) | 1.00 | 10.00 |
| CO(µg/m³) | 215.00 | 1037.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Karnal averaged 102 — a 41-point (67%) gap, with Karnal the more polluted and Dindigul the cleaner of the two. On 267 days when both cities reported, Dindigul was cleaner on 157 of them; the average daily gap was 82 AQI points.
Seasonality & days
Dindigul peaks in February, while Karnal peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Karnal 53 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Karnal's 270. That's a significant difference of 240 points.