Hisar vs Tiruchirappalli
Side-by-side air quality comparison between Hisar and Tiruchirappalli.
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, Hisar averaged an AQI of 136 while Tiruchirappalli averaged 50 — a 86-point (172%) gap, with Hisar the more polluted and Tiruchirappalli the cleaner of the two. On 67 days when both cities reported, Tiruchirappalli was cleaner on 67 of them; the average daily gap was 128 AQI points.
Seasonality & days
Hisar peaks in November, while Tiruchirappalli peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Tiruchirappalli 46 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).