Bikaner vs Chennai
Side-by-side air quality comparison between Bikaner and Chennai.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Chennai averaged 68 — a 86-point (126%) gap, with Bikaner the more polluted and Chennai the cleaner of the two. On 358 days when both cities reported, Chennai was cleaner on 279 of them; the average daily gap was 68 AQI points.
Seasonality & days
Bikaner peaks in January, while Chennai peaks in December. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Chennai 53 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Chennai spans 9 stations with a 27-point spread (min 63, max 90).