Kannur vs Sasaram
Side-by-side air quality comparison between Kannur and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 69.80 |
| PM10(µg/m³) | 11.30 | 80.30 |
| NO₂(µg/m³) | 3.30 | 15.10 |
| SO₂(µg/m³) | 1.10 | 14.40 |
| O₃(µg/m³) | 51.00 | 101.00 |
| CO(µg/m³) | 153.00 | 627.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Sasaram averaged 109 — a 44-point (68%) gap, with Sasaram the more polluted and Kannur the cleaner of the two. On 704 days when both cities reported, Kannur was cleaner on 616 of them; the average daily gap was 100 AQI points.
Seasonality & days
Kannur peaks in February, while Sasaram peaks in January. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Sasaram 27 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Sasaram's 133. That's a significant difference of 122 points.