SmogRank / India / Uttar Pradesh / Fīrozābād

Fīrozābād, month by month

Fīrozābād has a measured daily mean on 530 days since 19 February 2025. Its worst month was November 2025, at 146 US AQI (53.6 µg/m³), 157th of 2,715 cities on that month's world ranking. Its cleanest was August 2025, at 55 US AQI (11.1 µg/m³).

Every month since 2025

202686 so far242 days measured217th of 2,791 in the world
202587 for the year288 days measured176th of 2,681 in the world
Each square is a month's mean PM2.5 in US AQI from Fīrozābād'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 Fīrozābād 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

3 months
MonthWhy
Oct 20265 of 12 days measured; a month needs 9. The others: 5 with no readings from the monitors, 2 with readings for part of the day (a day needs 18 hours).
Jan 202621 of 31 days measured; a month needs 22. The others: 10 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.

Fīrozābād's worst months

MonthUS AQIDays measuredWorld rankEpisode
November 2025 14653.6 µg/m³27 of 30157thof 2,715–
December 2025 12344.3 µg/m³31 of 31233rdof 3,006–
April 2026 10637.6 µg/m³29 of 30153rdof 2,941–
March 2026 10336.5 µg/m³30 of 31176thof 2,971–
May 2026 9834.4 µg/m³29 of 31133rdof 2,874North-western India, May 2026
October 2025 9532.7 µg/m³30 of 31184thof 2,614India and Pakistan, October 2025

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.

Fīrozābād's worst days

DayUS AQI
7 Nov 2025 16879.6 µg/m³
9 Nov 2025 16372.7 µg/m³
19 Dec 2025 16271.5 µg/m³
8 Nov 2025 15865.1 µg/m³
19 Nov 2025 15865.1 µg/m³
23 Nov 2025 15763.8 µg/m³
5 Nov 2025 15663.0 µg/m³
22 Nov 2025 15662.8 µg/m³
11 Nov 2025 15662.1 µg/m³
28 Dec 2025 15561.4 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, Fīrozābād, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/firozabad/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.

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

Updated 2026-10-12 20:07 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).