SmogRank / India / Karnataka / Chik Ballāpur

Chik Ballāpur, month by month

Chik Ballāpur has a measured daily mean on 382 days since 19 February 2025. Its worst month was March 2026, at 129 US AQI (47.0 µg/m³), 98th of 2,971 cities on that month's world ranking. Its cleanest was July 2025, at 45 US AQI (8.1 µg/m³).

Every month since 2025

2026too few days for a mean (a year needs 200)193 days measured
Jan15 daysFeb15 daysMar129#98Apr115#121May74#262Jun63#331Jul19 daysAug18 daysSep62#362Oct5 days
2025too few days for a mean (a year needs 256)189 days measured
JanFeb10 daysMar107#182Apr96#142May68#312Jun57#774Jul45#1,761Aug46#1,720Sep55#537OctnoneNovnoneDecnone
Each square is a month's mean PM2.5 in US AQI from Chik Ballāpur's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Chik Ballāpur marked; each year, the year's.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Months without a mean, and why

9 months
MonthWhy
Oct 20265 of 12 days measured; a month needs 9. The others: 5 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours).
Aug 202618 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks.
Jul 202619 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks.
Feb 202615 of 28 days measured; a month needs 20. The others: 13 with under 18 hours of readings or readings that failed our checks.
Jan 202615 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks.
Dec 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 2025No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Oct 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Feb 202510 of 28 days measured; a month needs 20.

A day counts once 18 hours of it are measured; a month needs 70% of its days.

Chik Ballāpur's worst months

MonthUS AQIDays measuredWorld rank
March 2026 12947.0 µg/m³24 of 3198thof 2,971
April 2026 11541.3 µg/m³23 of 30121stof 2,941
March 2025 10737.8 µg/m³25 of 31182ndof 2,862
April 2025 9633.0 µg/m³21 of 30142ndof 2,951
May 2026 7421.3 µg/m³24 of 31262ndof 2,874
May 2025 6818.2 µg/m³27 of 31312thof 2,826

Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.

Chik Ballāpur's worst days

DayUS AQI
28 Feb 2026 16474.0 µg/m³
6 Jan 2026 16473.5 µg/m³
1 Mar 2026 16373.0 µg/m³
30 Jan 2026 16372.8 µg/m³
29 Jan 2026 16372.7 µg/m³
9 Feb 2026 16372.0 µg/m³
2 Mar 2026 16170.1 µg/m³
2 Feb 2026 16169.3 µg/m³
24 Apr 2026 16169.3 µg/m³
14 Mar 2026 15864.8 µg/m³

Daily means, the highest since 19 Feb 2025; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.

Use this history

SmogRank, PM2.5 monthly and daily means, Chik Ballāpur, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/chik-ballapur/history (accessed 12 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

Chik Ballāpur now: the last 24 hours, its ranks today and the last 12 months day by day.

Updated 2026-10-12 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).