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

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Latest air quality data: Cairns

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

particulate matter (PM2.5) dust - 4 (Good)
particulate matter (PM10) suspended dust - 6 (Good)
ozone (O3) - 62 (Good)
nitrogen dioxide (NO2) - 0 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 72 (Good)

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

AQI 1 Good

What is the air quality in Cairns today? Is the air polluted in Cairns?. 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 Cairns.

What is the current level of PM2.5 in Cairns? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 4 (Good) For comparison, the highest level of PM2.5 in Cairns in the last 7 days was: 6 (Sunday, August 23, 2026) and the lowest: 4 (Monday, August 24, 2026).

What is the level of PM10 today in Cairns? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Cairns is: 6 (Good)

How is the O3 level today in Cairns? (ozone (O3))
62 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 11:00 AM

PM2,5 4 (Good)

PM10 6 (Good)

O3 62 (Good)

NO2 0 (Good)

SO2 1 (Good)

CO 72 (Good)

Data on air pollution from recent days in Cairns

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	5 Good	5 Good	5 Good	4 Good	6 Good	5 Good	6 Good	5 Good
pm10	7 Good	7 Good	8 Good	7 Good	9 Good	8 Good	9 Good	8 Good
o3	45 Good	43 Good	46 Good	49 Good	51 Good	50 Good	52 Good	53 Good
no2	3 Good	3 Good	2 Good	2 Good	2 Good	2 Good	2 Good	1 Good
so2	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good
co	81 Good	81 Good	75 Good	71 Good	70 Good	70 Good	71 Good	67 Good

data source »

Quality of life in Cairns

Green and Parks in the City

Cairns 78%

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

Pleasure of spending time in the city

Cairns 79%

East Timor: 44% Papua New Guinea: 34%

Air Pollution

Cairns 22%

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

Garbage Disposal

Cairns 78%

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

Availability and quality of drinking water

Cairns 86%

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

Cleanliness and tidiness

Cairns 69%

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

Noise and Light pollution

Cairns 26%

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

Water Pollution

Cairns 35%

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

Source: Numbeo

Cairns

Thursday, August 27, 2026 at 11:00 AM

PM2,5 4.4 (Good)

particulate matter (PM2.5) dust

PM10 6.4 (Good)

particulate matter (PM10) suspended dust

O3 62 (Good)

ozone (O3)

NO2 0 (Good)

nitrogen dioxide (NO2)

SO2 0.5 (Good)

sulfur dioxide (SO2)

CO 72 (Good)

carbon monoxide (CO)

Cairns

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	5.1	5.7	4.9	5.8	4.5	5.2	5.5	5.2
pm10	7.9	8.8	7.6	8.8	6.7	8	7.5	6.9
o3	53	52	50	51	49	46	43	45
no2	1.3	1.9	2.4	2.4	2.2	2.2	3.2	3.3
so2	0.31	0.36	0.38	0.44	0.37	0.39	0.49	0.47
co	67	71	70	70	71	75	81	81

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

🌦️ Weather · 16-day Forecast — Australia

16-day weather forecast for Australia: today around 17°C (cloudy), lows near 9°C. Daily temperature and conditions, updated every day. Strong wind (about 19 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Australia

The UV index in Australia today is 6.2 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Cairns — compare nearby locations.

Townsville 7 µg/m³
Sydney 7 µg/m³
Melbourne 7 µg/m³
Brisbane 6 µg/m³
Perth 3 µg/m³
Adelaide 2 µg/m³
Gold Coast 7 µg/m³
Canberra 4 µg/m³

Frequently asked questions

Is the air safe to breathe in Cairns today?

The current average PM2.5 across Cairns is about 4 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Cairns?

Right now PM2.5 in Cairns averages about 4 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 Cairns?

Over the past week, the highest daily PM2.5 in Cairns was recorded on Sunday, August 23 (about 6 µg/m³).

What is the UV index in Cairns today?

The UV index in Cairns today is 6.2 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Cairns?

Strong wind (about 19 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.