Chennai vs Jaisalmer
Side-by-side air quality comparison between Chennai and Jaisalmer.
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 | Chennai | Jaisalmer |
|---|---|---|
| PM2.5(µg/m³) | 11.70 | 415.40 |
| PM10(µg/m³) | 13.10 | 2451.20 |
| NO₂(µg/m³) | 14.20 | 1.40 |
| SO₂(µg/m³) | 10.10 | 2.00 |
| O₃(µg/m³) | 56.00 | 51.00 |
| CO(µg/m³) | 308.00 | 103.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chennai averaged an AQI of 68 while Jaisalmer averaged 125 — a 57-point (84%) gap, with Jaisalmer the more polluted and Chennai the cleaner of the two. On 353 days when both cities reported, Chennai was cleaner on 222 of them; the average daily gap was 49 AQI points.
Seasonality & days
Chennai peaks in December, while Jaisalmer peaks in January. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Jaisalmer was 0% Severe and 37.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Jaisalmer 18 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Jaisalmer has improved by 6 AQI points (4.6%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Jaisalmer hit AQI 374 at Sadar Bazar (RSPCB) on 2024-12-22.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Jaisalmer spans 1 stations with a 0-point spread (min 127, max 127).
Verdict
🏆 Chennai has better air quality with an AQI of 20 compared to Jaisalmer's 500. That's a significant difference of 480 points.