Ludhiana vs Tonk
Side-by-side air quality comparison between Ludhiana and Tonk.
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 2021, Ludhiana averaged an AQI of 117 while Tonk averaged 142 — a 25-point (21%) gap, with Tonk the more polluted and Ludhiana the cleaner of the two.
Seasonality & days
Both cities see their worst air in November on average. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Tonk 11 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Tonk spans 1 stations with a 0-point spread (min 148, max 148).