Bhagalpur vs Katni
Side-by-side air quality comparison between Bhagalpur 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 | Bhagalpur | Katni |
|---|---|---|
| PM2.5(µg/m³) | 61.20 | 31.80 |
| PM10(µg/m³) | 65.90 | 51.90 |
| NO₂(µg/m³) | 25.30 | 19.50 |
| SO₂(µg/m³) | 25.40 | 5.50 |
| O₃(µg/m³) | 53.00 | 47.00 |
| CO(µg/m³) | 736.00 | 201.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Katni averaged 105 — a 59-point (56%) gap, with Bhagalpur the more polluted and Katni the cleaner of the two. On 1027 days when both cities reported, Katni was cleaner on 800 of them; the average daily gap was 72 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Katni peaks in November. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Katni 62 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); 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 Bhagalpur's 105. That's a significant difference of 51 points.