Darbhanga vs Katni
Side-by-side air quality comparison between Darbhanga 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 | Darbhanga | Katni |
|---|---|---|
| PM2.5(µg/m³) | 114.10 | 31.80 |
| PM10(µg/m³) | 129.90 | 51.90 |
| NO₂(µg/m³) | 56.30 | 19.50 |
| SO₂(µg/m³) | 18.30 | 5.50 |
| O₃(µg/m³) | 16.00 | 47.00 |
| CO(µg/m³) | 816.00 | 201.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Katni averaged 105 — a 260-point (248%) gap, with Darbhanga the more polluted and Katni the cleaner of the two. On 397 days when both cities reported, Katni was cleaner on 255 of them; the average daily gap was 74 AQI points.
Seasonality & days
Darbhanga peaks in December, while Katni peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Katni 62 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Katni spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Katni has better air quality with an AQI of 54 compared to Darbhanga's 281. That's a significant difference of 227 points.