Bidar vs Gangtok
Side-by-side air quality comparison between Bidar 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 | Bidar | Gangtok |
|---|---|---|
| PM2.5(µg/m³) | 21.40 | 30.30 |
| PM10(µg/m³) | 40.30 | 38.60 |
| NO₂(µg/m³) | 1.60 | 1.10 |
| SO₂(µg/m³) | 4.50 | 2.70 |
| O₃(µg/m³) | 116.00 | 150.00 |
| CO(µg/m³) | 156.00 | 264.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Gangtok averaged 48 — a 37-point (77%) gap, with Bidar the more polluted and Gangtok the cleaner of the two. On 457 days when both cities reported, Gangtok was cleaner on 322 of them; the average daily gap was 38 AQI points.
Seasonality & days
Bidar peaks in January, while Gangtok peaks in March. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Gangtok 94 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).
Verdict
🏆 Bidar has better air quality with an AQI of 40 compared to Gangtok's 51.