Karachi’s air quality continued its positive trend on Tuesday, March 31, giving residents another day of relief from previous pollution episodes.
Data collected at 6:00 PM showed improved particulate matter (PM2.5) levels across the city, with most areas falling within the “Good” or “Moderate” categories.
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Shahra-e-Faisal remained the highest at 99, close to the upper limit of the moderate category, while other areas recorded significantly lower readings.
North Nazimabad registered 62, University Road 73, Malir 66, Gulshan-e-Iqbal Block 14 at 49, DHA Phase 5 at 18, Clifton Block 4 at 45, and Mauripur at 37.
“This is another encouraging day for Karachi,” said officials monitoring air quality, noting that pollution levels have decreased compared to previous weeks.
The three-day forecast remains cautiously positive, with the AQI expected to stay within safe limits: 65 on April 1, 64 on April 2, and 54 on April 3.
The improvement offers relief to residents, especially those sensitive to pollution, and marks one of the cleaner stretches the city has seen in recent months.
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.
