Katni vs Motihari
Side-by-side air quality comparison between Katni and Motihari.
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 | Katni | Motihari |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 152.70 |
| PM10(µg/m³) | 46.10 | 170.90 |
| NO₂(µg/m³) | 9.10 | 59.80 |
| SO₂(µg/m³) | 5.30 | 22.90 |
| O₃(µg/m³) | 76.00 | 45.00 |
| CO(µg/m³) | 191.00 | 1174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Motihari averaged 116 — a 11-point (10%) gap, with Motihari the more polluted and Katni the cleaner of the two. On 899 days when both cities reported, Katni was cleaner on 487 of them; the average daily gap was 50 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Motihari 26 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Motihari spans 1 stations with a 0-point spread (min 153, max 153).
Verdict
🏆 Katni has better air quality with an AQI of 51 compared to Motihari's 326. That's a significant difference of 275 points.