Silchar vs Tumkur
Side-by-side air quality comparison between Silchar and Tumkur.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Silchar | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 35.20 | 3.40 |
| PM10(µg/m³) | 45.10 | 4.50 |
| NO₂(µg/m³) | 10.60 | 6.40 |
| SO₂(µg/m³) | 6.70 | 1.30 |
| O₃(µg/m³) | 100.00 | 35.00 |
| CO(µg/m³) | 270.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Silchar averaged an AQI of 52 while Tumkur averaged 88 — a 36-point (69%) gap, with Tumkur the more polluted and Silchar the cleaner of the two. On 496 days when both cities reported, Silchar was cleaner on 411 of them; the average daily gap was 53 AQI points.
Seasonality & days
Silchar peaks in February, while Tumkur peaks in December. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Tumkur 20 days.
Year-over-year progress
Silchar has worsened by 11 AQI points (26.8%) from 2023 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Silchar's 59. That's a significant difference of 53 points.