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Puducherry vs Udaipur

Side-by-side air quality comparison between Puducherry and Udaipur.

Cleaner right now: Puducherry (12-pt gap)Historical head-to-head: Puducherry cleaner 1251/1347 daysYoY 20212024: Puducherry +1.9% · Udaipur -40.7%

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

🏆 Cleaner

Puducherry

Puducherry, India

Good

PM2.5: 16.4 µg/m³

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VS

Udaipur

Rajasthan, India

Good

PM2.5: 23.6 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantPuducherryUdaipur
PM2.5(µg/m³)16.4023.60
PM10(µg/m³)19.2033.90
NO₂(µg/m³)18.507.70
SO₂(µg/m³)8.808.30
O₃(µg/m³)37.0051.00
CO(µg/m³)394.00184.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Puducherry averaged an AQI of 55 while Udaipur averaged 112 — a 57-point (104%) gap, with Udaipur the more polluted and Puducherry the cleaner of the two. On 1347 days when both cities reported, Puducherry was cleaner on 1251 of them; the average daily gap was 59 AQI points.

Seasonality & days

Puducherry peaks in December, while Udaipur peaks in January. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Udaipur 49 days.

Year-over-year progress

Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.

Station-level disparity

Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).

Verdict

🏆 Puducherry has better air quality with an AQI of 27 compared to Udaipur's 39.

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