Puducherry vs Sagar
Side-by-side air quality comparison between Puducherry and Sagar.
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 | Puducherry | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 21.20 | 27.10 |
| PM10(µg/m³) | 27.00 | 70.10 |
| NO₂(µg/m³) | 3.80 | 0.50 |
| SO₂(µg/m³) | 12.20 | 5.30 |
| O₃(µg/m³) | 143.00 | 123.00 |
| CO(µg/m³) | 170.00 | 194.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Sagar averaged 96 — a 41-point (75%) gap, with Sagar the more polluted and Puducherry the cleaner of the two. On 945 days when both cities reported, Puducherry was cleaner on 693 of them; the average daily gap was 48 AQI points.
Seasonality & days
Puducherry peaks in December, while Sagar peaks in November. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Sagar 57 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Puducherry has better air quality with an AQI of 35 compared to Sagar's 71.