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MRI PlatformMaiyo Research Institute

🇰🇪 Kenya · Air quality

Kenya

OpenAQ's stations in Kenya: which report, which have stopped or restarted, and what they measure.

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Stations
17
2 reported within 30 days
Inactive
15
Silent for over 30 days
Restarted
3
Back after 30+ silent days
Daily readings
9,592
Since Apr 2018

Stations over time

When stations started, how many reported, and when they went quiet.

Stations by year

2018 to 2026
ReportingStartedStopped
Stopped counts a station in the year of its last reading, if it is now inactive or removed.

Stations reporting each month

Apr 2018 to Sept 2026
Stations with a reading
A drop is a station going quiet or a network outage; a rise is new or restarted stations.

Readings

Monthly averages of every parameter with daily data, in the units OpenAQ reports.

PM2.5 · monthly average

µg/m³ · 17 stations · Apr 2018 to Sep 2026
All daysFull daysMost days partial or flagged
The solid line averages every day OpenAQ published, as the mean of station monthly means; the dashed line averages full days only: at least 18 of 24 hours reported, not flagged by the provider, not negative. Averages across stations are not national figures or health-standard comparisons.

Latest months (12)

PM2.5 (µg/m³)
MonthAveragePartial or flagged
Sept 202620.136%
Aug 20262450%
Jul 202624.747%
Jun 202618.349%
May 20261445%
Apr 202610.547%
Mar 202614.436%
Feb 202626.431%
Jan 202618.517%
Dec 202515.830%
Nov 202515.513%
Oct 202517.133%

Partial or flagged: the share of the month's station-days with fewer than 18 of 24 hours reported, flagged by the provider, or negative. Across Kenya's 9,592 daily readings, 18% are partial and 6% flagged by the provider.

Stations

When each station reported, and which have gone quiet.

Station timelines

17 stations · Apr 2018 to 26 Sep 2026
Most daysSome daysNo readingsBlank before a station's first reading
Opens on the latest month; scroll back for earlier years. A cell counts the days with at least one daily reading. A station stays on the grid after it stops; silence is not proof of closure.

Inactive and removed (15)

Stations that have gone quiet, most recent first
StationLast reading
Providence Academy 16 Jun 2026
Marurui23 Feb 2026
Mukuru- Pipeline6 Feb 2026
Kitisuru9 Dec 2025
Nairobi16 Oct 2025
Nairobi CMR26 Jun 2025
KENBIFS0131 May 2025
KENBIMLK0131 May 2025
Nairobi RR17 Feb 2025
Nairobi RR12 Feb 2025
Nairobi CMR11 Feb 2025
Nyayo Embakasi, Nairobi9 May 2024
Nairobi, University of Nairobi, Parklands Campus, GEOHealth28 Feb 2023
Alliance Girls High21 Nov 2018
Nairobi CBD13 Sept 2018

Silence is not proof of closure: a station can restart, and OpenAQ can return it again.

Readings quality

Across 9,592 daily readings
Partial days
1,758
Flagged by provider
560
Negative values
0
No value
462

A partial day has fewer than 18 of its 24 hours reported; a day can be partial and flagged at once, so these overlap. 4 stations have no license in OpenAQ's records; they are shown as published.

OpenAQ API v3 · daily data through 26 Sept 2026 · openaq-20260927

Data from OpenAQ and each station’s provider, under the license shown for it