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Sasaram vs Sirsa

Side-by-side air quality comparison between Sasaram and Sirsa.

Cleaner right now: Sirsa (36-pt gap)Historical head-to-head: Sirsa cleaner 299/593 daysYoY 20212024: Sasaram -60.4% · Sirsa -29.4%

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

Sasaram

Bihar, India

Moderate

PM2.5: 85.7 µg/m³

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VS
🏆 Cleaner

Sirsa

Haryana, India

Moderate

PM2.5: 63.8 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantSasaramSirsa
PM2.5(µg/m³)85.7063.80
PM10(µg/m³)96.90174.20
NO₂(µg/m³)33.6032.00
SO₂(µg/m³)12.907.50
O₃(µg/m³)52.0041.00
CO(µg/m³)638.00317.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Sasaram averaged an AQI of 109 while Sirsa averaged 115 — a 6-point (6%) gap, with Sirsa the more polluted and Sasaram the cleaner of the two. On 593 days when both cities reported, Sirsa was cleaner on 299 of them; the average daily gap was 68 AQI points.

Seasonality & days

Sasaram peaks in January, while Sirsa peaks in November. Sasaram logged 0.1% Severe days and 37% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Sasaram 27 days, Sirsa 40 days.

Year-over-year progress

Sasaram has improved by 166 AQI points (60.4%) from 2021 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Sasaram reached AQI 401 at Dada Peer (BSPCB) on 2021-11-28; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.

Station-level disparity

Sasaram spans 1 CPCB stations with a 0-point spread (min 148, max 148); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).

Verdict

🏆 Sirsa has better air quality with an AQI of 150 compared to Sasaram's 186.

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