Chandigarh vs Katni
Side-by-side air quality comparison between Chandigarh and Katni.
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 | Chandigarh | Katni |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 30.30 |
| PM10(µg/m³) | 63.60 | 46.10 |
| NO₂(µg/m³) | 30.10 | 9.10 |
| SO₂(µg/m³) | 10.30 | 5.30 |
| O₃(µg/m³) | 64.00 | 76.00 |
| CO(µg/m³) | 602.00 | 191.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Katni averaged 105 — a 48-point (46%) gap, with Chandigarh the more polluted and Katni the cleaner of the two. On 1836 days when both cities reported, Katni was cleaner on 929 of them; the average daily gap was 63 AQI points.
Seasonality & days
Chandigarh peaks in January, while Katni peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Katni 62 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Katni spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Katni has better air quality with an AQI of 51 compared to Chandigarh's 78.