Sindh, Pakistan. PM2.5 from 26 low-cost sensors, updated hourly.
20.9 µg/m³
Moderate
Latest hour (07:00 UTC), 1.4× the WHO 24-hour guideline.
Rank
24 h
–
not enough data
7 days
#95
of 2,333 · 26.8 µg/m³
30 days
#100
of 2,331 · 26.9 µg/m³
Year
#75
of 2,173 · 37.0 µg/m³
Why it ranks here
Chronic pollution. Its typical day over the past year was 31.9 µg/m³, 2.1× the WHO 24-hour guideline, so it ranks high most of the time, not only during events.
Seasonal. Over the past year its worst months were January, November, December, averaging up to 93.5 µg/m³ against 25.4 in its cleanest month. Seasonal peaks usually come from heating, crop burning, fire or dust seasons.
Based on Karachi's own measurements; causes are the usual kinds for a pattern like this, not a confirmed source.
Last 4 days, hour by hour
Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).
Every day for a year
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data
361 of 364 measured days were over the WHO 24-hour guideline.
Daily world rank
Rank on each day's board (1 = most polluted city that day).
2026 against 2025, month by month
Faded bars: 2025. A month shows once it has 10 measured days.
This week against past years
Mean PM2.5 for 24 Sept to 30 Sept in each year. Dashed line: WHO 24-hour guideline.
Monitors
Station
Operator
Type
Urban Resource CenterCC BY 4.0
The Urban Unit
Low-cost
NED University City CampusCC BY 4.0
The Urban Unit
Low-cost
Agha Khan University IEDCC BY 4.0
The Urban Unit
Low-cost
Aman Khan kaka khailCC BY 4.0
The Urban Unit
Low-cost
Zafar Memon DHACC BY 4.0
The Urban Unit
Low-cost
Aga khan University Main CampusCC BY 4.0
The Urban Unit
Low-cost
NED Main CampusCC BY 4.0
The Urban Unit
Low-cost
Asif Gulistan-e-JoharCC BY 4.0
The Urban Unit
Low-cost
Engr Muzaffar Malir Cantonment, Askari 5CC BY 4.0
The Urban Unit
Low-cost
Orangi Pilot ProjectCC BY 4.0
The Urban Unit
Low-cost
Climate Action CenterCC BY 4.0
The Urban Unit
Low-cost
G3 Engineering Consultants karachiCC BY 4.0
The Urban Unit
Low-cost
Lyari Dream HouseCC BY 4.0
AirGradient
Low-cost
Solid waste Management CC BY 4.0
AirGradient
Low-cost
WWF-Pakistan Karachi OfficeCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
Aga khan University Main CampusCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
Engr Muzaffar SirCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
TDF MagnifiScience CentreCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
Climate Action CenterCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
Asif Gulistan-e-JoharCC BY 4.0
Pakistan Air Quality Initiative (PAQI پاکی)
Low-cost
TIP City Office - LIHCC BY 4.0
OpenAQ admin
Low-cost
Tariq Road C KHICC BY 4.0
OpenAQ admin
Low-cost
Faisal Cantonment A KHICC BY 4.0
OpenAQ admin
Low-cost
Old Clifton Seven TowersCC BY 4.0
OpenAQ admin
Low-cost
Clifton Block 1 C KHICC BY 4.0
OpenAQ admin
Low-cost
Maqsood Memon Clifton CC BY 4.0
The Urban Unit
Low-cost
No reference monitor here, so the value is the median of low-cost sensors (at least two reporting each hour). Low-cost sensors can read high in humid air. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.