Haldia vs Rajgir
Side-by-side air quality comparison between Haldia and Rajgir.
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 | Rajgir |
|---|---|---|
| PM2.5(µg/m³) | 40.20 | 71.90 |
| PM10(µg/m³) | 46.90 | 79.40 |
| NO₂(µg/m³) | 7.00 | 27.20 |
| SO₂(µg/m³) | 11.40 | 14.60 |
| O₃(µg/m³) | 122.00 | 64.00 |
| CO(µg/m³) | 287.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Rajgir averaged 124 — a 34-point (38%) gap, with Rajgir the more polluted and Haldia the cleaner of the two. On 529 days when both cities reported, Haldia was cleaner on 403 of them; the average daily gap was 72 AQI points.
Seasonality & days
Haldia peaks in December, while Rajgir peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Rajgir was 0.6% Severe and 37.9% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Rajgir 26 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Rajgir has improved by 158 AQI points (56%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Rajgir hit AQI 461 at Dangi Tola (BSPCB) on 2022-12-31.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Rajgir spans 1 stations with a 0-point spread (min 154, max 154).
Verdict
🏆 Haldia has better air quality with an AQI of 68 compared to Rajgir's 140. That's a significant difference of 72 points.