Silchar vs Tonk
Side-by-side air quality comparison between Silchar 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 2024, Silchar averaged an AQI of 52 while Tonk averaged 142 — a 90-point (173%) gap, with Tonk the more polluted and Silchar the cleaner of the two. On 568 days when both cities reported, Silchar was cleaner on 529 of them; the average daily gap was 103 AQI points.
Seasonality & days
Silchar peaks in February, while Tonk peaks in November. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Tonk 11 days.
Year-over-year progress
Silchar has worsened by 11 AQI points (26.8%) from 2023 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); Tonk spans 1 stations with a 0-point spread (min 148, max 148).