Hisar vs Kannur
Side-by-side air quality comparison between Hisar 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 | Hisar | Kannur |
|---|---|---|
| PM2.5(µg/m³) | 76.60 | 5.00 |
| PM10(µg/m³) | 237.00 | 9.60 |
| NO₂(µg/m³) | 40.60 | 2.80 |
| SO₂(µg/m³) | 7.30 | 1.00 |
| O₃(µg/m³) | 27.00 | 50.00 |
| CO(µg/m³) | 573.00 | 138.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Kannur averaged 65 — a 71-point (109%) gap, with Hisar the more polluted and Kannur the cleaner of the two. On 1068 days when both cities reported, Kannur was cleaner on 1007 of them; the average daily gap was 109 AQI points.
Seasonality & days
Hisar peaks in November, while Kannur peaks in February. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Kannur was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Kannur 103 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Kannur has worsened by 11 AQI points (20.4%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Kannur hit AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Kannur spans 1 stations with a 0-point spread (min 66, max 66).
Verdict
🏆 Kannur has better air quality with an AQI of 10 compared to Hisar's 191. That's a significant difference of 181 points.