Saharsa vs Ulhasnagar
Side-by-side air quality comparison between Saharsa and Ulhasnagar.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Saharsa averaged an AQI of 139 while Ulhasnagar averaged 117 — a 22-point (19%) gap, with Saharsa the more polluted and Ulhasnagar the cleaner of the two. On 432 days when both cities reported, Ulhasnagar was cleaner on 252 of them; the average daily gap was 60 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Saharsa logged 1.4% Severe days and 28.4% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Ulhasnagar 74 days.
Year-over-year progress
Saharsa has improved by 139 AQI points (50%) from 2021 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).