Saharsa vs Thiruvananthapuram
Side-by-side air quality comparison between Saharsa and Thiruvananthapuram.
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 Thiruvananthapuram averaged 56 — a 83-point (148%) gap, with Saharsa the more polluted and Thiruvananthapuram the cleaner of the two. On 599 days when both cities reported, Thiruvananthapuram was cleaner on 515 of them; the average daily gap was 119 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; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Thiruvananthapuram 172 days.
Year-over-year progress
Saharsa has improved by 139 AQI points (50%) from 2021 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).