Karachi air quality now

Pakistan · The summary is refreshed every 15 minutes.

October 22

The air is unhealthy for sensitive groups

Karachi

29°C

Clear

135AQI

1015hPa

Atmospheric
pressure

51%

Humidity

Karachi, October 21, 2026: daily mean PM2.5 43 µg/m³ (6 sensors), level “Elevated” — as in the Atmy Data Hub. Now (23:00 local time): 49.4 µg/m³. Open methodology and data in JSON: Methodology and data sources · JSON

Right now in Karachi, PM2.5 averages 49.4 µg/m³ — “unhealthy for sensitive groups” on the US EPA scale (approximate, from hourly readings). Mean of 6 sensors on the Atmy network, readings from 22:46–22:47 local time (17:46–17:47 UTC), summary prepared at 23:00 local time. Median: 47.4 µg/m³; range across sensors: 40.7–66.0 µg/m³.

In Karachi the air is unhealthy for sensitive groups right now (approximate, US EPA scale). From 10:00 to 23:00 local time the city mean PM2.5 stayed roughly level: from 43.5 to 49.4 µg/m³.

Light wind (2 m/s) in the evening or at night, as the air cools, possibly traps particles near the ground (a temperature inversion).

Weather now: clear, 29°C, wind 2 m/s, humidity 51%. No major change in the wind is expected in the coming hours.

Written automatically at 23:00 local time (18:00 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

7 km/h

Wind, WNW

0 mm

Precipitation today

Karachi: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · October 21, 2026 · 00:00–24:00 UTC

43 µg/m³ Elevated

Daily mean PM2.5 on October 21, 2026 (00:00–24:00 UTC): 43 µg/m³ from 6 sensors that passed the quality check — the same value as in the Atmy Data Hub.

No. 3 of 4 cities in Pakistan and No. 5 of 297 worldwide, from the most polluted.

LowModerateElevatedHighVery highExtremely high

Karachi: PM2.5 by month

Metric: PM2.5, µg/m³ · Color scale: EPA AQI

Mean
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
This month
50
49
79
91
78
64
41
-
30
31
31
28
31
38

Monthly means of quality-checked sensors, as in the Data Hub trend; the current month is still incomplete, “-” means no data.

Pollution accumulation index now

22%An estimate of weather conditions · not a PM2.5 forecast

Now2223
23.0007.0014.0022.00

Pollution accumulation forecast

Today — October 22

37°/25°

Index by time of day

54/100Moderate

  1. 54/100Night
  2. 41/100Morning
  3. 7/100Day
  4. 24/100Evening

Friday — October 23

35°/25°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 43/100Morning
  3. 9/100Day
  4. 24/100Evening

Saturday — October 24

36°/23°

Index by time of day

54/100Moderate

  1. 54/100Night
  2. 42/100Morning
  3. 7/100Day
  4. 25/100Evening

Sunday — October 25

36°/23°

Index by time of day

58/100Moderate

  1. 58/100Night
  2. 40/100Morning
  3. 7/100Day
  4. 24/100Evening

Monday — October 26

35°/24°

Index by time of day

49/100Moderate

  1. 49/100Night
  2. 37/100Morning
  3. 8/100Day
  4. 23/100Evening

Tuesday — October 27

36°/25°

Index by time of day

49/100Moderate

  1. 49/100Night
  2. 37/100Morning
  3. 7/100Day
  4. 22/100Evening

Forecast of conditions that trap pollution near the surface

Weather

29°

Clear. Feels like 30°C

  1. MorningClear30°C51%
  2. DayClear36°C21%
  3. EveningClear29°C51%

Wind

7km/hWind from the WNW

14km/hWind gusts

Wind force: 2

Gusts up to 26 km/h are expected.

10-day weather forecast for Karachi

Pakistan

  1. TodayOct 22Clear37°C25°C
  2. FriOct 23Clear35°C25°C
  3. SatOct 24Fog36°C23°C
  4. SunOct 25Clear36°C23°C
  5. MonOct 26Clear35°C24°C
  6. TueOct 27Clear36°C25°C
  7. WedOct 28Clear36°C25°C
  8. ThuOct 29Clear35°C24°C
  9. FriOct 30Clear34°C24°C
  10. SatOct 31Clear32°C23°C

Where in Karachi is the air worse?

See all sensors

Highest current reading: 66.0 µg/m³ (NED Main Campus). Lowest: 40.7 µg/m³ (Asif Gulistan-e-Johar). The list shows every sensor, highest first.

  1. NED Main Campus →66 µg/m³
  2. Engr Muzaffar Sir →52 µg/m³
  3. Urban Resource Center →49 µg/m³
  4. Climate Action Center →46 µg/m³
  5. DHA, Karachi →43 µg/m³
  6. Asif Gulistan-e-Johar →41 µg/m³

Source: atmy.ai monitoring network

Who provides the data

Sensors in the summary by network: AirGradient — 6 sensors.

Atmy shows the networks’ readings after the Data Hub’s quality check: test devices and sensors that fail it are left out.

Pakistan: sensors in total

41

  1. Quetta City TehsilPakistan

    9

  2. Islamabad Capital TerritoryPakistan

    7

  3. KarachiPakistan

    6

Cities with the most sensors

All sensors on the map, by city as the map assigns them; the city’s values count only the sensors that pass the Data Hub’s quality check.

Air quality calendar: Karachi

Daily mean PM2.5 of the city sensors, µg/m³

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Widget for your site

A card with the current PM2.5 in Karachi: it is refreshed every 15 minutes and links to this page. Paste the code into your site.

Air quality in Karachi now — Atmy

Pakistan · City ranking · All pilot cities

Questions

What was the air quality in Karachi over the last completed day?

Daily mean PM2.5 on October 21, 2026 (00:00–24:00 UTC): 43 µg/m³ from 6 sensors that passed the quality check — the same value as in the Atmy Data Hub. No. 3 of 4 cities in Pakistan and No. 5 of 297 worldwide, from the most polluted.

What is the air quality in Karachi right now?

Right now in Karachi, PM2.5 averages 49.4 µg/m³ — “unhealthy for sensitive groups” on the US EPA scale (approximate, from hourly readings). Mean of 6 sensors on the Atmy network, readings from 22:46–22:47 local time (17:46–17:47 UTC), summary prepared at 23:00 local time. Median: 47.4 µg/m³; range across sensors: 40.7–66.0 µg/m³.

Is it safe to be outdoors in Karachi now?

The current level is “unhealthy for sensitive groups” (US EPA scale, approximate). Children, older adults and people with heart or lung disease should reduce prolonged or heavy exertion outdoors. This is the standard guidance of the scale, not medical advice.

Where in Karachi is the air worse?

Highest current reading: 66.0 µg/m³ (NED Main Campus). Lowest: 40.7 µg/m³ (Asif Gulistan-e-Johar). The list shows every sensor, highest first.

Where do these data come from?

From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.

How often is this page updated?

The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.

Is the air in Karachi polluted?

Over the last 261 days with data, the mean daily PM2.5 in Karachi was 54.2 µg/m³ — 10.8 times the WHO annual guideline (5 µg/m³). Over the last 30 days: 35.9 µg/m³. From Atmy's archive of daily city means.

When is the air in Karachi cleanest?

In Atmy's daily archive, the cleanest month of the last year was June 2026: 29.6 µg/m³ on average.

When is the air in Karachi most polluted?

The most polluted month of the last year was December 2025: 92.1 µg/m³ on average.

Is the air in Karachi worse in the heating season?

From November to March the mean daily PM2.5 was 76.7 µg/m³, from June to August 30.0 µg/m³ (last 365 days).

Data

Where do these data come from?

The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.

“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.

Source: public Atmy monitoring data. Methodology and data sources · Data terms