Bilaspur vs Kannur
Side-by-side air quality comparison between Bilaspur and Kannur.
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 | Bilaspur | Kannur |
|---|---|---|
| PM2.5(µg/m³) | 25.30 | 6.00 |
| PM10(µg/m³) | 44.20 | 11.90 |
| NO₂(µg/m³) | 1.70 | 1.70 |
| SO₂(µg/m³) | 11.00 | 0.80 |
| O₃(µg/m³) | 139.00 | 58.00 |
| CO(µg/m³) | 184.00 | 118.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Kannur averaged 65 — a 4-point (7%) gap, with Kannur the more polluted and Bilaspur the cleaner of the two. On 759 days when both cities reported, Kannur was cleaner on 387 of them; the average daily gap was 21 AQI points.
Seasonality & days
Bilaspur peaks in December, while Kannur peaks in February. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Kannur was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Kannur 103 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Kannur has worsened by 11 AQI points (20.4%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Kannur hit AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Kannur spans 1 stations with a 0-point spread (min 66, max 66).
Verdict
🏆 Kannur has better air quality with an AQI of 12 compared to Bilaspur's 44.