Bikaner vs Thiruvananthapuram
Side-by-side air quality comparison between Bikaner and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 5.30 |
| PM10(µg/m³) | 210.00 | 9.50 |
| NO₂(µg/m³) | 3.50 | 1.50 |
| SO₂(µg/m³) | 2.20 | 0.40 |
| O₃(µg/m³) | 52.00 | 38.00 |
| CO(µg/m³) | 146.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Thiruvananthapuram averaged 56 — a 98-point (175%) gap, with Bikaner the more polluted and Thiruvananthapuram the cleaner of the two. On 357 days when both cities reported, Thiruvananthapuram was cleaner on 339 of them; the average daily gap was 86 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Thiruvananthapuram 172 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Bikaner's 174. That's a significant difference of 164 points.