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Bidar vs Sasaram

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

Cleaner right now: Bidar (95-pt gap)Historical head-to-head: Bidar cleaner 403/542 daysYoY 20212024: Bidar +1.2% · Sasaram -60.4%

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

🏆 Cleaner

Bidar

Karnataka, India

Good

PM2.5: 17.0 µg/m³

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VS

Sasaram

Bihar, India

Moderate

PM2.5: 66.8 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBidarSasaram
PM2.5(µg/m³)17.0066.80
PM10(µg/m³)24.0078.90
NO₂(µg/m³)8.5022.70
SO₂(µg/m³)2.5014.20
O₃(µg/m³)61.0077.00
CO(µg/m³)207.00666.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bidar averaged an AQI of 85 while Sasaram averaged 109 — a 24-point (28%) gap, with Sasaram the more polluted and Bidar the cleaner of the two. On 542 days when both cities reported, Bidar was cleaner on 403 of them; the average daily gap was 79 AQI points.

Seasonality & days

Both cities see their worst air in January on average. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Sasaram 27 days.

Year-over-year progress

Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.

Station-level disparity

Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).

Verdict

🏆 Bidar has better air quality with an AQI of 28 compared to Sasaram's 123. That's a significant difference of 95 points.

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