Siliguri vs Tirumala
Side-by-side air quality comparison between Siliguri and Tirumala.
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 | Siliguri | Tirumala |
|---|---|---|
| PM2.5(µg/m³) | 82.20 | 5.30 |
| PM10(µg/m³) | 105.70 | 6.60 |
| NO₂(µg/m³) | 15.40 | 6.90 |
| SO₂(µg/m³) | 6.50 | 2.00 |
| O₃(µg/m³) | 95.00 | 55.00 |
| CO(µg/m³) | 539.00 | 149.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Siliguri averaged an AQI of 81 while Tirumala averaged 89 — a 8-point (10%) gap, with Tirumala the more polluted and Siliguri the cleaner of the two.
Seasonality & days
Siliguri peaks in February, while Tirumala peaks in November. Siliguri logged 0.1% Severe days and 61.8% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Siliguri 180 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Siliguri reached AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Siliguri spans 1 CPCB stations with a 0-point spread (min 107, max 107); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).
Verdict
🏆 Tirumala has better air quality with an AQI of 9 compared to Siliguri's 174. That's a significant difference of 165 points.