Aurangabad vs Chennai
Side-by-side air quality comparison between Aurangabad 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Aurangabad | Chennai |
|---|---|---|
| PM2.5(µg/m³) | 17.40 | 11.70 |
| PM10(µg/m³) | 30.90 | 13.10 |
| NO₂(µg/m³) | 11.00 | 14.20 |
| SO₂(µg/m³) | 13.80 | 10.10 |
| O₃(µg/m³) | 38.00 | 56.00 |
| CO(µg/m³) | 166.00 | 308.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aurangabad averaged an AQI of 99 while Chennai averaged 68 — a 31-point (46%) gap, with Aurangabad the more polluted and Chennai the cleaner of the two. On 1935 days when both cities reported, Aurangabad was cleaner on 1082 of them; the average daily gap was 51 AQI points.
Seasonality & days
Aurangabad peaks in January, while Chennai peaks in December. Aurangabad logged 0.1% Severe days and 58.3% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Aurangabad 46 days, Chennai 53 days.
Year-over-year progress
Aurangabad has improved by 41 AQI points (29.3%) from 2016 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Aurangabad reached AQI 436 at More Chowk Waluj (MPCB) on 2024-09-16; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Aurangabad spans 4 CPCB stations with a 87-point spread (min 91, max 178); Chennai spans 9 stations with a 27-point spread (min 63, max 90).
Verdict
🏆 Chennai has better air quality with an AQI of 20 compared to Aurangabad's 31.