Haldia vs Madikeri
Side-by-side air quality comparison between Haldia and Madikeri.
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 | Haldia | Madikeri |
|---|---|---|
| PM2.5(µg/m³) | 34.10 | 27.80 |
| PM10(µg/m³) | 42.10 | 42.50 |
| NO₂(µg/m³) | 1.40 | 14.28 |
| SO₂(µg/m³) | 8.40 | 2.06 |
| O₃(µg/m³) | 155.00 | 1.04 |
| CO(µg/m³) | 283.00 | 200.85 |
| NH3(ppb) | — | 11.05 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Madikeri averaged 35 — a 55-point (157%) gap, with Haldia the more polluted and Madikeri the cleaner of the two. On 667 days when both cities reported, Madikeri was cleaner on 611 of them; the average daily gap was 52 AQI points.
Seasonality & days
Haldia peaks in December, while Madikeri peaks in February. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Madikeri was 0% Severe and 98.8% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Madikeri 126 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Madikeri has improved by 26 AQI points (42.6%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Madikeri hit AQI 163 at Stuart Hill (KSPCB) on 2020-12-27.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Madikeri spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Madikeri has better air quality with an AQI of 46 compared to Haldia's 58.