Indore vs Siliguri
Side-by-side air quality comparison between Indore and Siliguri.
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 | Indore | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 77.80 |
| PM10(µg/m³) | 47.80 | 98.30 |
| NO₂(µg/m³) | 7.10 | 11.30 |
| SO₂(µg/m³) | 15.10 | 6.80 |
| O₃(µg/m³) | 66.00 | 115.00 |
| CO(µg/m³) | 251.00 | 523.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Siliguri averaged 81 — a 3-point (4%) gap, with Indore the more polluted and Siliguri the cleaner of the two. On 1352 days when both cities reported, Siliguri was cleaner on 972 of them; the average daily gap was 57 AQI points.
Seasonality & days
Indore peaks in November, while Siliguri peaks in February. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Siliguri 180 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Indore has better air quality with an AQI of 53 compared to Siliguri's 160. That's a significant difference of 107 points.