Puducherry vs Tonk
Side-by-side air quality comparison between Puducherry and Tonk.
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 | Tonk |
|---|---|---|
| CO(ppb) | 314.39 | 674.98 |
| NO2(ppb) | 14.21 | 4.84 |
| O3(ppb) | 20.23 | 48.15 |
| PM10(µg/m³) | 28.90 | 58.51 |
| PM2.5(µg/m³) | 10.80 | 18.54 |
| SO2(ppb) | 2.29 | 0.26 |
| NH3(ppb) | 32.74 | 34.41 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Tonk averaged 142 — a 87-point (158%) gap, with Tonk the more polluted and Puducherry the cleaner of the two. On 567 days when both cities reported, Puducherry was cleaner on 521 of them; the average daily gap was 93 AQI points.
Seasonality & days
Puducherry peaks in December, while Tonk peaks in November. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Tonk 11 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Puducherry has better air quality with an AQI of 29 compared to Tonk's 59.