Agra vs Chennai
Side-by-side air quality comparison between Agra 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 | Agra | Chennai |
|---|---|---|
| PM2.5(µg/m³) | 59.60 | 13.90 |
| PM10(µg/m³) | 155.50 | 15.30 |
| NO₂(µg/m³) | 23.30 | 15.00 |
| SO₂(µg/m³) | 9.70 | 9.10 |
| O₃(µg/m³) | 51.00 | 56.00 |
| CO(µg/m³) | 585.00 | 316.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Agra averaged an AQI of 79 while Chennai averaged 68 — a 11-point (16%) gap, with Agra the more polluted and Chennai the cleaner of the two. On 2186 days when both cities reported, Chennai was cleaner on 1417 of them; the average daily gap was 84 AQI points.
Seasonality & days
Agra peaks in January, while Chennai peaks in December. Agra logged 3.3% Severe days and 34.9% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Agra 46 days, Chennai 53 days.
Year-over-year progress
Agra has improved by 134 AQI points (62.9%) from 2016 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Agra reached AQI 500 at Sanjay Palace (UPPCB) on 2017-06-03; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Agra spans 6 CPCB stations with a 83-point spread (min 79, max 162); Chennai spans 9 stations with a 27-point spread (min 63, max 90).
Verdict
🏆 Chennai has better air quality with an AQI of 23 compared to Agra's 138. That's a significant difference of 115 points.