Bikaner vs Siliguri
Side-by-side air quality comparison between Bikaner 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 | Bikaner | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 48.50 | 57.70 |
| PM10(µg/m³) | 139.20 | 71.50 |
| NO₂(µg/m³) | 0.40 | 2.00 |
| SO₂(µg/m³) | 2.30 | 8.70 |
| O₃(µg/m³) | 97.00 | 172.00 |
| CO(µg/m³) | 134.00 | 382.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Siliguri averaged 81 — a 73-point (90%) gap, with Bikaner the more polluted and Siliguri the cleaner of the two. On 351 days when both cities reported, Siliguri was cleaner on 328 of them; the average daily gap was 78 AQI points.
Seasonality & days
Bikaner peaks in January, while Siliguri peaks in February. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Siliguri 180 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Siliguri has better air quality with an AQI of 96 compared to Bikaner's 127.