Katihar vs Koppal
Side-by-side air quality comparison between Katihar and Koppal.
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 | Koppal |
|---|---|---|
| PM2.5(µg/m³) | 105.90 | 5.90 |
| PM10(µg/m³) | 109.00 | 9.10 |
| NO₂(µg/m³) | 25.20 | 6.10 |
| SO₂(µg/m³) | 20.10 | 1.30 |
| O₃(µg/m³) | 67.00 | 38.00 |
| CO(µg/m³) | 727.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Koppal averaged 65 — a 58-point (89%) gap, with Katihar the more polluted and Koppal the cleaner of the two. On 765 days when both cities reported, Koppal was cleaner on 691 of them; the average daily gap was 125 AQI points.
Seasonality & days
Katihar peaks in December, while Koppal peaks in February. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Koppal was 0% Severe and 85.5% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Koppal 47 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Koppal has improved by 31 AQI points (32.3%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Koppal hit AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Koppal spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Katihar's 253. That's a significant difference of 243 points.