Air Quality in Sydney, Canada

Heavy Rain
16.0°C · 97.6% humidity
16.0°
Feels 16.0°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
34 6am
34
34
18 9am
16
19
21 12pm
21
24
23 3pm
23
24
24 6pm
24
25
25 9pm
27
27
25 12am
25
25
25 3am
25
25
AD 728×90

Air Quality Index Trend

45h · 3 stn

Sydney's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

97.6%
Humidity
77.0 km/h
Wind SE
1016.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.44 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sydney?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations
PM2.54.44 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
4.44
Median
4.5
Average
4.4
Low
4.6
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +2.6

What is the 7-day forecast for Sydney?

09-05
26.8° 9.5°
27.25 mm
09-06
15.7° 10.4°
0.38 mm
09-07
16.4° 13.1°
09-08
17.9° 11.1°
0.56 mm
09-09
23.9° 11.7°
2.12 mm
09-10
18.9° 12.5°
0.62 mm
09-11
21.3° 12.9°
0.19 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Sydney?

18
Sydney - Prince St, Nova Scotia
0.6 km PM2.5: 4.4 µg/m³
12
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 2.9 µg/m³
14
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.4 µg/m³
13
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.1 µg/m³
12
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 2.9 µg/m³
16
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.8 µg/m³
16
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.8 µg/m³
15
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.6 µg/m³
14
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 3.4 µg/m³
18
Sydney, Nova Scotia, Canada
1.1 km PM2.5: 4.3 µg/m³

What cities are near Sydney?

19 Glace Bay 18 New Glasgow 22 Charlottetown 8 Cole Harbour 5 Woodlawn 3 Dartmouth 6 Lower Sackville 3 Downtown Halifax 3 Halifax 3 Halifax South End
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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 2026-09-05T12:11 UTC.