Hisar vs Saharsa
Side-by-side air quality comparison between Hisar and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 76.60 | 100.60 |
| PM10(µg/m³) | 237.00 | 107.10 |
| NO₂(µg/m³) | 40.60 | 34.10 |
| SO₂(µg/m³) | 7.30 | 11.80 |
| O₃(µg/m³) | 27.00 | 30.00 |
| CO(µg/m³) | 573.00 | 723.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Saharsa averaged 139 — a 3-point (2%) gap, with Saharsa the more polluted and Hisar the cleaner of the two. On 530 days when both cities reported, Hisar was cleaner on 282 of them; the average daily gap was 78 AQI points.
Seasonality & days
Hisar peaks in November, while Saharsa peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Saharsa 20 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Hisar has better air quality with an AQI of 191 compared to Saharsa's 236.