Bareilly vs Chennai
Side-by-side air quality comparison between Bareilly 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, Bareilly averaged an AQI of 61 while Chennai averaged 68 — a 7-point (11%) gap, with Chennai the more polluted and Bareilly the cleaner of the two. On 566 days when both cities reported, Bareilly was cleaner on 391 of them; the average daily gap was 48 AQI points.
Seasonality & days
Bareilly peaks in November, while Chennai peaks in December. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Chennai 53 days.
Year-over-year progress
Bareilly has improved by 50 AQI points (45%) from 2022 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Chennai spans 9 stations with a 27-point spread (min 63, max 90).