Kannur vs Motihari
Side-by-side air quality comparison between Kannur and Motihari.
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 | Kannur | Motihari |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 152.70 |
| PM10(µg/m³) | 11.30 | 170.90 |
| NO₂(µg/m³) | 3.30 | 59.80 |
| SO₂(µg/m³) | 1.10 | 22.90 |
| O₃(µg/m³) | 51.00 | 45.00 |
| CO(µg/m³) | 153.00 | 1174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Motihari averaged 116 — a 51-point (78%) gap, with Motihari the more polluted and Kannur the cleaner of the two. On 751 days when both cities reported, Kannur was cleaner on 644 of them; the average daily gap was 105 AQI points.
Seasonality & days
Kannur peaks in February, while Motihari peaks in November. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Motihari 26 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Motihari spans 1 stations with a 0-point spread (min 153, max 153).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Motihari's 326. That's a significant difference of 315 points.