Katihar vs Katni
Side-by-side air quality comparison between Katihar 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 | Katihar | Katni |
|---|---|---|
| PM2.5(µg/m³) | 109.20 | 31.80 |
| PM10(µg/m³) | 114.30 | 51.90 |
| NO₂(µg/m³) | 31.10 | 19.50 |
| SO₂(µg/m³) | 18.30 | 5.50 |
| O₃(µg/m³) | 43.00 | 47.00 |
| CO(µg/m³) | 770.00 | 201.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Katni averaged 105 — a 18-point (17%) gap, with Katihar the more polluted and Katni the cleaner of the two. On 910 days when both cities reported, Katni was cleaner on 651 of them; the average daily gap was 68 AQI points.
Seasonality & days
Katihar peaks in December, while Katni peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Katni 62 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); 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 Katihar's 264. That's a significant difference of 210 points.