Perth: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

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Latest air quality data: Perth

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Pollution and air quality forecast for Perth. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Perth:

particulate matter (PM2.5) dust - 3 (Good)
particulate matter (PM10) suspended dust - 4 (Good)
ozone (O3) - 43 (Good)
nitrogen dioxide (NO2) - 6 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 88 (Good)

Real-time Air Quality Index (AQI) for Perth, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Perth today? Is the air polluted in Perth?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Perth.

What is the current level of PM2.5 in Perth? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 3 (Good) For comparison, the highest level of PM2.5 in Perth in the last 7 days was: 16 (Thursday, August 20, 2026) and the lowest: 3 (Saturday, August 22, 2026).

What is the level of PM10 today in Perth? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Perth is: 4 (Good)

How is the O3 level today in Perth? (ozone (O3))
43 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
6 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)

How high is the CO level? (carbon monoxide (CO))
88 (Good)

Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 3 (Good)

PM10 4 (Good)

O3 43 (Good)

NO2 6 (Good)

SO2 2 (Good)

CO 88 (Good)

Data on air pollution from recent days in Perth

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	4 Good	4 Good	8 Good	11 Good	4 Good	3 Good	7 Good	16 Moderate
pm10	5 Good	6 Good	11 Good	13 Good	5 Good	4 Good	8 Good	19 Good
o3	44 Good	40 Good	44 Good	36 Good	43 Good	41 Good	35 Good	29 Good
no2	6 Good	8 Good	11 Good	14 Good	7 Good	8 Good	15 Good	22 Good
so2	2 Good	2 Good	2 Good	3 Good	3 Good	2 Good	2 Good	5 Good
co	83 Good	119 Good	98 Good	142 Good	86 Good	104 Good	122 Good	171 Good

data source »

Quality of life in Perth

Green and Parks in the City

Perth 76%

East Timor: 53% Papua New Guinea: 27% New Caledonia: 70%

particulate matter PM2.5

Perth 8 (Good)

Pleasure of spending time in the city

Perth 75%

East Timor: 44% Papua New Guinea: 34%

particulate matter PM10

Perth 15 (Good)

Air Pollution

Perth 24%

East Timor: 36% Papua New Guinea: 63% New Caledonia: 55%

Garbage Disposal

Perth 71%

East Timor: 19% Papua New Guinea: 18% New Caledonia: 30%

Availability and quality of drinking water

Perth 81%

East Timor: 38% Papua New Guinea: 38% New Caledonia: 75%

Cleanliness and tidiness

Perth 69%

East Timor: 25% Papua New Guinea: 22% New Caledonia: 30%

Noise and Light pollution

Perth 40%

East Timor: 53% Papua New Guinea: 58% New Caledonia: 45%

Water Pollution

Perth 35%

East Timor: 64% Papua New Guinea: 76% New Caledonia: 55%

Source: Numbeo

Perth

Thursday, August 27, 2026 at 9:00 AM

PM2,5 3.1 (Good)

particulate matter (PM2.5) dust

PM10 4.2 (Good)

particulate matter (PM10) suspended dust

O3 43 (Good)

ozone (O3)

NO2 5.7 (Good)

nitrogen dioxide (NO2)

SO2 1.8 (Good)

sulfur dioxide (SO2)

CO 88 (Good)

carbon monoxide (CO)

Perth

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	16	7.4	3.4	4.4	11	7.9	4.1	3.9
pm10	19	8.2	3.6	5.4	13	11	5.5	5.4
o3	29	35	41	43	36	44	40	44
no2	22	15	8.4	7.2	14	11	7.7	6
so2	4.8	2.4	1.9	2.6	3.1	2.5	1.8	1.6
co	171	122	104	86	142	98	119	83

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Perth

16-day weather forecast for Perth: today around 21°C (partly cloudy), lows near 11°C. Daily temperature and conditions, updated every day. Strong wind (about 21 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Perth

The UV index in Perth today is 2.7 (low).

📍 Air quality in nearby cities

Live PM2.5 around Perth — compare nearby locations.

EdinburghUnited Kingdom 11 µg/m³
GlasgowUnited Kingdom 10 µg/m³
Newcastle upon TyneSouth Africa 13 µg/m³
BelfastUnited Kingdom 7 µg/m³
BradfordUnited Kingdom 19 µg/m³
Sydney 7 µg/m³
Melbourne 7 µg/m³
Brisbane 6 µg/m³

Frequently asked questions

Is the air safe to breathe in Perth today?

The current average PM2.5 across Perth is about 3 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Perth?

Right now PM2.5 in Perth averages about 3 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Perth?

Over the past week, the highest daily PM2.5 in Perth was recorded on Thursday, August 20 (about 16 µg/m³).

What is the UV index in Perth today?

The UV index in Perth today is 2.7 (low).

Does today's wind help disperse smog in Perth?

Strong wind (about 21 km/h) is actively clearing smog and dust away.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.