Chandrapur vs Katihar
Side-by-side air quality comparison between Chandrapur 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 | Chandrapur | Katihar |
|---|---|---|
| PM2.5(µg/m³) | 22.50 | 105.90 |
| PM10(µg/m³) | 32.50 | 109.00 |
| NO₂(µg/m³) | 9.80 | 25.20 |
| SO₂(µg/m³) | 13.50 | 20.10 |
| O₃(µg/m³) | 87.00 | 67.00 |
| CO(µg/m³) | 183.00 | 727.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Chandrapur averaged an AQI of 123 while Katihar averaged 123 — a 0-point (0%) gap, with Katihar the more polluted and Chandrapur the cleaner of the two. On 254 days when both cities reported, Chandrapur was cleaner on 214 of them; the average daily gap was 96 AQI points.
Seasonality & days
Chandrapur peaks in March, while Katihar peaks in December. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Katihar 19 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Katihar spans 1 stations with a 0-point spread (min 185, max 185).
Verdict
🏆 Chandrapur has better air quality with an AQI of 38 compared to Katihar's 253. That's a significant difference of 215 points.