Sydney, Nova Scotia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Sydney, Nova Scotia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Sydney, Nova Scotia, Canada
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
31AQI
12AQI
30AQI
19AQI
In the last 24 hours,
Sydney's AQI reached its highest point of 31 at 5 AM during the Day, while the lowest point, 12, was recorded at 8 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Sydney, Nova Scotia, Canada
13°C10/17°C
10°C9/13°C
7°C4/10°C
8°C3/12°C
8°C4/13°C
8°C7/12°C
4°C3/5°C
5°C2/10°C
9°C4/15°C
5°C5/6°C
10°C5/16°C
13°C9/18°C
8°C4/11°C
7°C4/9°C
16°C8/22°C
8°C3/10°C
6°C1/9°C
7°C3/10°C
10°C3/16°C
10°C7/16°C
7°C5/9°C
5°C4/5°C
4°C3/6°C
3°C1/4°C
5°C4/6°C
5°C3/7°C
7°C4/10°C
7°C3/10°C
9°C6/13°C
14°C6/21°C
44AQI
28AQI
42AQI
32AQI
2026 Days Vs Air Quality
Sydney, Nova Scotia, Canada
94%
142
6%
9
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 155 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Sydney, Nova Scotia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
13AQI (US)
9AQI (US)
14AQI (US)
17AQI (US)
42AQI (US)
32AQI (US)
15AQI (US)
20AQI (US)
17AQI (US)
17AQI (US)
9AQI (US)
14AQI (US)
26AQI (US)
15AQI (US)
11AQI (US)
12AQI (US)
14AQI (US)
14AQI (US)
16AQI (US)
16AQI (US)
47AQI (US)
55AQI (US)
48AQI (US)
48AQI (US)
47AQI (US)
44AQI (US)
47AQI (US)
51AQI (US)
49AQI (US)
45AQI (US)
47AQI (US)
50AQI (US)
49AQI (US)
50AQI (US)
48AQI (US)
41AQI (US)
38AQI (US)
46AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
52AQI (US)
49AQI (US)
42AQI (US)
44AQI (US)
46AQI (US)
43AQI (US)
41AQI (US)
43AQI (US)
37AQI (US)
34AQI (US)
39AQI (US)
42AQI (US)
42AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
53AQI (US)
47AQI (US)
45AQI (US)
43AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
41AQI (US)
35AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
35AQI (US)
31AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
35AQI (US)
30AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
21AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
29AQI (US)
29AQI (US)
25AQI (US)
45AQI (US)
53AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
50AQI (US)
46AQI (US)
42AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
30AQI (US)
27AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
22AQI (US)
27AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202522AQI (US)
Highest AQI (US) recorded in
July28AQI (US)
Lowest AQI (US) recorded in
September17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Sydney's annual 2026 AQI (US) (34) shows an average percentage change of 54.5% (worsened AQI (US)) compared to previous years: 2025 (22).