Katihar vs Sawāi Mādhopur
Side-by-side air quality comparison between Katihar and Sawāi Mādhopur.
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 | Sawāi Mādhopur |
|---|---|---|
| PM2.5(µg/m³) | 82.20 | 27.00 |
| PM10(µg/m³) | 92.90 | 90.80 |
| NO₂(µg/m³) | 10.10 | 0.40 |
| SO₂(µg/m³) | 17.20 | 2.30 |
| O₃(µg/m³) | 180.00 | 100.00 |
| CO(µg/m³) | 297.00 | 145.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Sawāi Mādhopur averaged 119 — a 4-point (3%) gap, with Katihar the more polluted and Sawāi Mādhopur the cleaner of the two. On 514 days when both cities reported, Sawāi Mādhopur was cleaner on 333 of them; the average daily gap was 64 AQI points.
Seasonality & days
Katihar peaks in December, while Sawāi Mādhopur peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Sawāi Mādhopur was 0% Severe and 44.900000000000006% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Sawāi Mādhopur 21 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Sawāi Mādhopur has worsened by 7 AQI points (6.3%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Sawāi Mādhopur hit AQI 328 at Sahu Nagar Sawai (RSPCB) on 2024-06-07.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Sawāi Mādhopur spans 1 stations with a 0-point spread (min 116, max 116).
Verdict
🏆 Sawāi Mādhopur has better air quality with an AQI of 91 compared to Katihar's 174. That's a significant difference of 83 points.