Darbhanga vs Katihar
Side-by-side air quality comparison between Darbhanga and Katihar.
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 | Darbhanga | Katihar |
|---|---|---|
| PM2.5(µg/m³) | 111.50 | 105.90 |
| PM10(µg/m³) | 122.90 | 109.00 |
| NO₂(µg/m³) | 42.70 | 25.20 |
| SO₂(µg/m³) | 18.40 | 20.10 |
| O₃(µg/m³) | 61.00 | 67.00 |
| CO(µg/m³) | 767.00 | 727.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Katihar averaged 123 — a 242-point (197%) gap, with Darbhanga the more polluted and Katihar the cleaner of the two. On 336 days when both cities reported, Darbhanga was cleaner on 214 of them; the average daily gap was 46 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Katihar 19 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Katihar spans 1 stations with a 0-point spread (min 185, max 185).
Verdict
🏆 Katihar has better air quality with an AQI of 253 compared to Darbhanga's 272.