Sagar vs Thiruvananthapuram
Side-by-side air quality comparison between Sagar 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, Sagar averaged an AQI of 96 while Thiruvananthapuram averaged 56 — a 40-point (71%) gap, with Sagar the more polluted and Thiruvananthapuram the cleaner of the two. On 1307 days when both cities reported, Thiruvananthapuram was cleaner on 829 of them; the average daily gap was 40 AQI points.
Seasonality & days
Sagar peaks in November, while Thiruvananthapuram peaks in January. Sagar logged 0% Severe days and 69.9% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Sagar 57 days, Thiruvananthapuram 172 days.
Year-over-year progress
Sagar has worsened by 24 AQI points (33.3%) from 2020 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Sagar reached AQI 347 at Civil Lines (MPPCB) on 2024-12-25; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Sagar spans 2 CPCB stations with a 45-point spread (min 73, max 118); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).