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Ajmer vs Begusarai

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

Cleaner right now: Ajmer (152-pt gap)YoY 20172022: Ajmer -16.4% · Begusarai -51.7%

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

Ajmer

Rajasthan, India

Satisfactory

PM2.5: 22.9 µg/m³

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VS

Begusarai

Bihar, India

Poor

PM2.5: 93.4 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantAjmerBegusarai
PM2.5(µg/m³)22.9093.40
PM10(µg/m³)59.60103.60
NO₂(µg/m³)3.0041.50
SO₂(µg/m³)4.3017.90
O₃(µg/m³)64.0064.00
CO(µg/m³)168.00637.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2022, Ajmer averaged an AQI of 112 while Begusarai averaged 128 — a 16-point (14%) gap, with Begusarai the more polluted and Ajmer the cleaner of the two.

Seasonality & days

Ajmer peaks in November, while Begusarai peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Begusarai was 8.7% Severe and 20.8% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Begusarai 14 days.

Year-over-year progress

Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Begusarai has improved by 137 AQI points (51.7%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Begusarai hit AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14.

Station-level disparity

Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Begusarai spans 1 stations with a 0-point spread (min 213, max 213).

Verdict

🏆 Ajmer has better air quality with an AQI of 60 compared to Begusarai's 212. That's a significant difference of 152 points.

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