Katihar vs Sangli
Side-by-side air quality comparison between Katihar and Sangli.
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 | Sangli |
|---|---|---|
| PM2.5(µg/m³) | 109.20 | 12.60 |
| PM10(µg/m³) | 114.30 | 22.60 |
| NO₂(µg/m³) | 31.10 | 8.30 |
| SO₂(µg/m³) | 18.30 | 3.10 |
| O₃(µg/m³) | 43.00 | 32.00 |
| CO(µg/m³) | 770.00 | 132.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Sangli averaged 85 — a 38-point (45%) gap, with Katihar the more polluted and Sangli the cleaner of the two. On 448 days when both cities reported, Sangli was cleaner on 370 of them; the average daily gap was 71 AQI points.
Seasonality & days
Katihar peaks in December, while Sangli peaks in February. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Sangli was 0% Severe and 67.3% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Sangli 116 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Sangli has worsened by 17 AQI points (25%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Sangli hit AQI 254 at Vijay Nagar (MPCB) on 2024-09-24.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Sangli spans 1 stations with a 0-point spread (min 79, max 79).
Verdict
🏆 Sangli has better air quality with an AQI of 23 compared to Katihar's 264. That's a significant difference of 241 points.