Cuddalore vs Meerut
Side-by-side air quality comparison between Cuddalore and Meerut.
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 | Cuddalore | Meerut |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 69.60 |
| PM10(µg/m³) | 18.20 | 96.40 |
| NO₂(µg/m³) | 15.90 | 27.40 |
| SO₂(µg/m³) | 10.00 | 11.00 |
| O₃(µg/m³) | 39.00 | 65.00 |
| CO(µg/m³) | 353.00 | 590.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Meerut averaged 144 — a 92-point (177%) gap, with Meerut the more polluted and Cuddalore the cleaner of the two. On 319 days when both cities reported, Cuddalore was cleaner on 303 of them; the average daily gap was 108 AQI points.
Seasonality & days
Cuddalore peaks in January, while Meerut peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Meerut was 2% Severe and 22.299999999999997% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Meerut 25 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Meerut hit AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Meerut spans 3 stations with a 13-point spread (min 172, max 185).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Meerut's 133. That's a significant difference of 108 points.