Katni vs Puducherry
Side-by-side air quality comparison between Katni and Puducherry.
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 | Katni | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 31.50 | 14.10 |
| PM10(µg/m³) | 50.80 | 16.70 |
| NO₂(µg/m³) | 13.40 | 19.70 |
| SO₂(µg/m³) | 5.60 | 9.00 |
| O₃(µg/m³) | 61.00 | 32.00 |
| CO(µg/m³) | 193.00 | 404.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Puducherry averaged 55 — a 50-point (91%) gap, with Katni the more polluted and Puducherry the cleaner of the two. On 1303 days when both cities reported, Puducherry was cleaner on 1124 of them; the average daily gap was 81 AQI points.
Seasonality & days
Katni peaks in November, while Puducherry peaks in December. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Puducherry 117 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 24 compared to Katni's 53.