Begusarai vs Katni
Side-by-side air quality comparison between Begusarai 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 | Begusarai | Katni |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 30.30 |
| PM10(µg/m³) | 103.60 | 46.10 |
| NO₂(µg/m³) | 41.50 | 9.10 |
| SO₂(µg/m³) | 17.90 | 5.30 |
| O₃(µg/m³) | 64.00 | 76.00 |
| CO(µg/m³) | 637.00 | 191.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Katni averaged 105 — a 23-point (22%) gap, with Begusarai the more polluted and Katni the cleaner of the two. On 314 days when both cities reported, Katni was cleaner on 243 of them; the average daily gap was 88 AQI points.
Seasonality & days
Begusarai peaks in January, while Katni peaks in November. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Katni 62 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); 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 Begusarai's 212. That's a significant difference of 161 points.