Chittoor vs Gangtok
Side-by-side air quality comparison between Chittoor and Gangtok.
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 | Chittoor | Gangtok |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 33.90 |
| PM10(µg/m³) | 7.70 | 43.50 |
| NO₂(µg/m³) | 7.30 | 5.10 |
| SO₂(µg/m³) | 3.10 | 2.80 |
| O₃(µg/m³) | 47.00 | 130.00 |
| CO(µg/m³) | 212.00 | 360.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Gangtok averaged 48 — a 28-point (58%) gap, with Chittoor the more polluted and Gangtok the cleaner of the two. On 478 days when both cities reported, Gangtok was cleaner on 300 of them; the average daily gap was 33 AQI points.
Seasonality & days
Chittoor peaks in October, while Gangtok peaks in March. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Gangtok 94 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Gangtok's 57.