Gangtok vs Tirupati
Side-by-side air quality comparison between Gangtok and Tirupati.
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 | Gangtok | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 5.10 |
| PM10(µg/m³) | 38.60 | 7.60 |
| NO₂(µg/m³) | 1.10 | 0.90 |
| SO₂(µg/m³) | 2.70 | 1.00 |
| O₃(µg/m³) | 150.00 | 96.00 |
| CO(µg/m³) | 264.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Tirupati averaged 75 — a 27-point (56%) gap, with Tirupati the more polluted and Gangtok the cleaner of the two. On 412 days when both cities reported, Gangtok was cleaner on 244 of them; the average daily gap was 33 AQI points.
Seasonality & days
Gangtok peaks in March, while Tirupati peaks in April. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Tirupati 36 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 9 compared to Gangtok's 51.