Skip to content

Ajmer vs Ramanathapuram

Side-by-side air quality comparison between Ajmer and Ramanathapuram.

Cleaner right now: Ramanathapuram (87-pt gap)Historical head-to-head: Ramanathapuram cleaner 107/133 daysYoY 20172022: Ajmer -16.4% · Ramanathapuram -30%

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

Ajmer

Rajasthan, India

Satisfactory

PM2.5: 30.3 µg/m³

View full AQI →
VS
🏆 Cleaner

Ramanathapuram

Tamil Nadu, India

Good

PM2.5: 5.4 µg/m³

View full AQI →
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantAjmerRamanathapuram
PM2.5(µg/m³)30.305.40
PM10(µg/m³)95.507.70
NO₂(µg/m³)0.501.10
SO₂(µg/m³)3.402.90
O₃(µg/m³)96.0072.00
CO(µg/m³)127.00127.00

CPCB Multi-Year History (2016–2024)

Loading historical data…

Summary

Overview

In 2022, Ajmer averaged an AQI of 112 while Ramanathapuram averaged 42 — a 70-point (167%) gap, with Ajmer the more polluted and Ramanathapuram the cleaner of the two. On 133 days when both cities reported, Ramanathapuram was cleaner on 107 of them; the average daily gap was 61 AQI points.

Seasonality & days

Ajmer peaks in November, while Ramanathapuram peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Ramanathapuram 46 days.

Year-over-year progress

Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.

Station-level disparity

Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).

Verdict

🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Ajmer's 96. That's a significant difference of 87 points.

Popular Comparisons