Hajipur vs Thiruvananthapuram
Side-by-side air quality comparison between Hajipur 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, Hajipur averaged an AQI of 173 while Thiruvananthapuram averaged 56 — a 117-point (209%) gap, with Hajipur the more polluted and Thiruvananthapuram the cleaner of the two. On 1247 days when both cities reported, Thiruvananthapuram was cleaner on 1087 of them; the average daily gap was 88 AQI points.
Seasonality & days
Hajipur peaks in December, while Thiruvananthapuram peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Thiruvananthapuram 172 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).