Karnal vs Thiruvananthapuram
Side-by-side air quality comparison between Karnal 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, Karnal averaged an AQI of 102 while Thiruvananthapuram averaged 56 — a 46-point (82%) gap, with Karnal the more polluted and Thiruvananthapuram the cleaner of the two. On 1645 days when both cities reported, Thiruvananthapuram was cleaner on 1315 of them; the average daily gap was 75 AQI points.
Seasonality & days
Karnal peaks in November, while Thiruvananthapuram peaks in January. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Thiruvananthapuram 172 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).