Raipur vs Siliguri
Side-by-side air quality comparison between Raipur 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 | Raipur | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 44.00 | 82.20 |
| PM10(µg/m³) | 51.70 | 105.70 |
| NO₂(µg/m³) | 43.00 | 15.40 |
| SO₂(µg/m³) | 59.40 | 6.50 |
| O₃(µg/m³) | 38.00 | 95.00 |
| CO(µg/m³) | 499.00 | 539.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Raipur averaged an AQI of 74 while Siliguri averaged 81 — a 7-point (9%) gap, with Siliguri the more polluted and Raipur the cleaner of the two. On 365 days when both cities reported, Siliguri was cleaner on 244 of them; the average daily gap was 46 AQI points.
Seasonality & days
Raipur peaks in November, while Siliguri peaks in February. Raipur logged 0% Severe days and 54.3% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Raipur 70 days, Siliguri 180 days.
Year-over-year progress
Raipur has improved by 64 AQI points (46.4%) from 2022 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Raipur reached AQI 226 at AIIMS (CECB) on 2023-12-26; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Raipur spans 4 CPCB stations with a 42-point spread (min 63, max 105); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Raipur has better air quality with an AQI of 74 compared to Siliguri's 174. That's a significant difference of 100 points.