Karachi’s air quality showed a slight decline on Wednesday, April 9, ending the recent stretch of improved conditions across the city.
Data recorded at 6:00 PM indicated that particulate matter (PM2.5) levels have moved higher, with most areas now falling within the “Moderate” category.
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University Road recorded an AQI of 79, Malir 94, Gulshan-e-Iqbal Block 14 at 82, Mauripur at 74, and Clifton Block 4 at 86.
These readings suggest a gradual increase in pollution levels compared to previous days.
Officials monitoring the situation noted that while conditions remain within manageable limits, the upward trend indicates a shift away from the earlier improvement phase.
The three-day forecast points to further deterioration in air quality, with AQI expected to reach 109 on April 10, 138 on April 11, and 141 on April 12.
This places upcoming days in the “Unhealthy for Sensitive People” category, raising concerns for individuals with respiratory conditions.
Experts advise residents, especially children, the elderly, and those with health issues, to limit prolonged outdoor exposure and take necessary precautions as pollution levels are likely to rise.
This report is produced in collaboration with the Climate Action Center Karachi.
Karachi Air Quality
How many categories are there to measure Air Quality?
AQI 0–50: Good
The air quality is considered excellent, with minimal or no risk to public health. There are no necessary precautions for the general population.
AQI 51–100: Moderate
Air quality is generally acceptable; however, there may be a slight health concern for a small number of individuals who are unusually sensitive to air pollution. Active children, adults, and people with respiratory conditions like asthma should consider limiting prolonged outdoor activity.
AQI 101–150: Unhealthy for Sensitive Groups
Sensitive individuals, such as those with asthma or other respiratory issues, may begin to experience health effects, although the general population is unlikely to be affected. It is advised that active children, adults, and those with respiratory conditions limit extended outdoor exertion.
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AQI 151–200: Unhealthy
Health effects may begin to affect everyone, with sensitive groups potentially experiencing more serious symptoms. Active children and adults, and people with respiratory illnesses should avoid prolonged outdoor activity, while others—especially children—should reduce outdoor exertion.
AQI 201–300: Very Unhealthy
This range signals emergency-level health warnings. The entire population is more likely to experience adverse health effects. Those with respiratory conditions and active individuals should avoid all outdoor activity, while everyone else, particularly children, should limit time spent outdoors.
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AQI 300+: Hazardous
Air quality is extremely poor, posing a serious risk to health for everyone. A health alert is in effect, and all outdoor exertion should be avoided by the entire population.
