Haldia vs Kota
Side-by-side air quality comparison between Haldia and Kota.
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 | Kota |
|---|---|---|
| PM2.5(µg/m³) | 46.60 | 23.40 |
| PM10(µg/m³) | 51.90 | 36.60 |
| NO₂(µg/m³) | 11.40 | 6.40 |
| SO₂(µg/m³) | 10.40 | 6.10 |
| O₃(µg/m³) | 96.00 | 57.00 |
| CO(µg/m³) | 284.00 | 202.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Kota averaged 131 — a 41-point (46%) gap, with Kota the more polluted and Haldia the cleaner of the two. On 359 days when both cities reported, Haldia was cleaner on 331 of them; the average daily gap was 72 AQI points.
Seasonality & days
Haldia peaks in December, while Kota peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Kota was 0% Severe and 40.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Kota 89 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Kota has improved by 45 AQI points (25.6%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Kota hit AQI 375 at Shrinath Puram (RSPCB) on 2021-11-14.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Kota spans 3 stations with a 9-point spread (min 121, max 130).
Verdict
🏆 Kota has better air quality with an AQI of 39 compared to Haldia's 78.