Air Quality in Dee Why, Australia

Rain
16.4°C · 55.1% humidity
16.4°
Feels 16.4°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 4am
15
15
12 7am
16
16
15 10am
16
16
16 1pm
16
16
16 4pm
16
18
18 7pm
16
16
16 10pm
15
15
15 1am
16
16
Station readings
17
18
20
19
CAMS model adj -9
24
24
24
24
25
25
24
25
25
25
25
25
25
25
27
27
25
25
25
24
24
24
25
25
AD 728×90

Air Quality Index Trend

43h · 1 stn

Dee Why's air quality is generally good but can be impacted by bushfire smoke, dust storms, and vehicle emissions. Seasonal fire events can cause significant temporary air quality deterioration.

55.1%
Humidity
68.7 km/h
Wind W
1029.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
2.86 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Dee Why?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.52.86 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
2.86
Median
2.88
Average
2.09
Low
4.04
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.9

What is the 7-day forecast for Dee Why?

05-28
15.2° 13.3°
2.19 mm
05-29
16.4° 11.6°
4.5 mm
05-30
16.2° 12.2°
0.81 mm
05-31
15.5° 10.4°
0.31 mm
06-01
19.1° 10.4°
06-02
15.8° 11.0°
06-03
13.8° 10.8°
Both models agree Avg diff: 2.4°C

Where are air quality stations near Dee Why?

9
East Sydney Cammeray
10.8 km PM2.5: 2.1 µg/m³ PM10: 5.8 µg/m³
17
East Sydney Bradfield Highway
12.5 km PM2.5: 4.0 µg/m³ PM10: 8.1 µg/m³
61
Macquarie Park Sydney East
14.2 km PM2.5: 16.9 µg/m³
63
Macquarie Park Sydney East
14.2 km PM2.5: 17.8 µg/m³
46
Macquarie Park Sydney East
14.2 km PM2.5: 11.0 µg/m³
50
Macquarie Park Sydney East
14.2 km PM2.5: 12.0 µg/m³
70
Macquarie Park Sydney East
14.2 km PM2.5: 21.1 µg/m³
46
Macquarie Park Sydney East
14.2 km PM2.5: 11.0 µg/m³
44
Macquarie Park Sydney East
14.2 km PM2.5: 10.6 µg/m³
99
Macquarie Park Sydney East
14.2 km PM2.5: 34.9 µg/m³

What cities are near Dee Why?

12 Manly 12 Mosman 12 Chatswood 12 Saint Ives 14 Sydney Central Business District 14 Sydney 12 Surry Hills 12 Wahroonga 12 Hornsby 13 Ryde
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:46 UTC.