Katihar vs Khanna
Side-by-side air quality comparison between Katihar and Khanna.
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 | Khanna |
|---|---|---|
| PM2.5(µg/m³) | 112.00 | 69.40 |
| PM10(µg/m³) | 115.70 | 98.50 |
| NO₂(µg/m³) | 31.10 | 37.80 |
| SO₂(µg/m³) | 18.40 | 14.60 |
| O₃(µg/m³) | 42.00 | 37.00 |
| CO(µg/m³) | 766.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Khanna averaged 102 — a 21-point (21%) gap, with Katihar the more polluted and Khanna the cleaner of the two. On 608 days when both cities reported, Khanna was cleaner on 445 of them; the average daily gap was 86 AQI points.
Seasonality & days
Katihar peaks in December, while Khanna peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Khanna was 0% Severe and 61.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Khanna 60 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Khanna has worsened by 4 AQI points (4.1%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Khanna hit AQI 297 at Kalal Majra (PPCB) on 2023-11-09.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Khanna spans 1 stations with a 0-point spread (min 100, max 100).
Verdict
🏆 Khanna has better air quality with an AQI of 132 compared to Katihar's 274. That's a significant difference of 142 points.