Hajipur vs Silchar
Side-by-side air quality comparison between Hajipur and Silchar.
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 | Hajipur | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 53.00 |
| PM10(µg/m³) | 111.80 | 63.80 |
| NO₂(µg/m³) | 49.30 | 13.90 |
| SO₂(µg/m³) | 18.10 | 7.50 |
| O₃(µg/m³) | 19.00 | 95.00 |
| CO(µg/m³) | 784.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Silchar averaged 52 — a 121-point (233%) gap, with Hajipur the more polluted and Silchar the cleaner of the two. On 668 days when both cities reported, Silchar was cleaner on 636 of them; the average daily gap was 119 AQI points.
Seasonality & days
Hajipur peaks in December, while Silchar peaks in February. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Silchar 87 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 89 compared to Hajipur's 231. That's a significant difference of 142 points.