Nalbāri vs Puducherry
Side-by-side air quality comparison between Nalbāri and Puducherry.
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 | Nalbāri | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 57.90 | 12.20 |
| PM10(µg/m³) | 64.70 | 14.50 |
| NO₂(µg/m³) | 7.60 | 18.70 |
| SO₂(µg/m³) | 5.20 | 9.00 |
| O₃(µg/m³) | 112.00 | 33.00 |
| CO(µg/m³) | 397.00 | 402.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nalbāri averaged an AQI of 129 while Puducherry averaged 55 — a 74-point (135%) gap, with Nalbāri the more polluted and Puducherry the cleaner of the two. On 643 days when both cities reported, Puducherry was cleaner on 544 of them; the average daily gap was 90 AQI points.
Seasonality & days
Nalbāri peaks in January, while Puducherry peaks in December. Nalbāri logged 0% Severe days and 41% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Nalbāri 18 days, Puducherry 117 days.
Year-over-year progress
Nalbāri has improved by 72 AQI points (35.8%) from 2022 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Nalbāri reached AQI 384 at Bata Chowk (PCBA) on 2024-01-08; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Nalbāri spans 1 CPCB stations with a 0-point spread (min 141, max 141); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 20 compared to Nalbāri's 97. That's a significant difference of 77 points.