Hisar vs Silchar
Side-by-side air quality comparison between Hisar 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 | Hisar | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 75.70 | 35.20 |
| PM10(µg/m³) | 224.40 | 45.10 |
| NO₂(µg/m³) | 34.70 | 10.60 |
| SO₂(µg/m³) | 8.30 | 6.70 |
| O₃(µg/m³) | 43.00 | 100.00 |
| CO(µg/m³) | 508.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Silchar averaged 52 — a 84-point (162%) gap, with Hisar the more polluted and Silchar the cleaner of the two. On 296 days when both cities reported, Silchar was cleaner on 258 of them; the average daily gap was 86 AQI points.
Seasonality & days
Hisar peaks in November, while Silchar peaks in February. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Silchar 87 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 59 compared to Hisar's 183. That's a significant difference of 124 points.