Air Quality in Dee Why, Australia

Rain
11.4°C · 70.8% humidity
11.4°
Feels 11.4°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 12pm
0
0
57 3pm
66
47
34 6pm
24
17
12 9pm
9
6
5 12am
3
2
2 3am
1
1
1 6am
0
0
0 9am
0
0
Station readings
4
CAMS model adj -69
54
54
54
34
34
34
34
27
27
25
25
25
25
25
25
27
27
34
34
54
54
54
54
54
AD 728×90

Air Quality Index Trend

38h · 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. Current PM2.5 concentration in Dee Why is 1.0× the WHO 24-hour guideline of 15 µg/m³.

70.8%
Humidity
91.4 km/h
Wind SE
1031.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
57
15.13 µg/m³
PM10
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Dee Why?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.515.13 µg/m³ ✓ WHO
Moderate
PM1054.9 µg/m³
Moderate
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
15.13
Median
15.03
Average
14.76
Low
15.29
High
PM2.5 µg/m³ · Model: 27.1 · Bias: +12.0

What is the 7-day forecast for Dee Why?

08-03
14.7° 10.1°
8.12 mm
08-04
15.9° 11.0°
0.56 mm
08-05
15.6° 12.1°
0.38 mm
08-06
17.2° 9.7°
0.88 mm
08-07
16.6° 11.2°
1.5 mm
08-08
16.2° 9.2°
2.56 mm
08-09
14.8° 10.4°
0.38 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Dee Why?

58
East Sydney Cammeray
10.8 km PM2.5: 15.2 µg/m³ PM10: 21.0 µg/m³
46
East Sydney Bradfield Highway
12.5 km PM2.5: 11.1 µg/m³ PM10: 19.1 µg/m³
30
Macquarie Park Sydney East
14.2 km PM2.5: 7.2 µg/m³
32
Macquarie Park Sydney East
14.2 km PM2.5: 7.7 µg/m³
39
Macquarie Park Sydney East
14.2 km PM2.5: 9.4 µg/m³
19
Macquarie Park Sydney East
14.2 km PM2.5: 4.6 µg/m³
27
Macquarie Park Sydney East
14.2 km PM2.5: 6.5 µg/m³
32
Macquarie Park Sydney East
14.2 km PM2.5: 7.7 µg/m³
27
Macquarie Park Sydney East
14.2 km PM2.5: 6.5 µg/m³
30
Macquarie Park Sydney East
14.2 km PM2.5: 7.2 µg/m³

What cities are near Dee Why?

58 Manly 57 Mosman 56 Chatswood 57 Saint Ives 57 Sydney Central Business District 57 Sydney 56 Surry Hills 57 Wahroonga 57 Hornsby 54 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 2026-08-08T05:14 UTC.