Truro, Massachusetts, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Truro, Massachusetts, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Truro, Massachusetts, United States
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
58AQI
42AQI
59AQI
56AQI
In the last 24 hours,
Truro's AQI reached its highest point of 59 at 4 AM during the Night, while the lowest point, 42, was recorded at 6 AM during the Day between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Truro, Massachusetts, United States
19°C18/19°C
20°C18/22°C
21°C20/23°C
22°C21/23°C
23°C22/23°C
21°C21/22°C
20°C18/22°C
20°C19/21°C
19°C17/20°C
19°C17/20°C
20°C19/21°C
21°C20/23°C
23°C21/25°C
20°C19/20°C
20°C19/21°C
20°C19/20°C
22°C20/25°C
19°C18/20°C
20°C19/21°C
18°C18/18°C
19°C18/20°C
20°C18/21°C
20°C19/22°C
19°C17/20°C
19°C17/20°C
18°C16/19°C
19°C16/20°C
18°C16/19°C
20°C18/23°C
21°C20/24°C
--°C/°C
44AQI
44AQI
42AQI
40AQI
2025 Days Vs Air Quality
Truro, Massachusetts, United States
83%
115
17%
23
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Truro, Massachusetts, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI
20AQI
25AQI
24AQI
27AQI
17AQI
18AQI
25AQI
25AQI
19AQI
16AQI
15AQI
15AQI
14AQI
20AQI
21AQI
19AQI
24AQI
15AQI
27AQI
18AQI
17AQI
18AQI
40AQI
22AQI
15AQI
35AQI
21AQI
22AQI
41AQI
28AQI
11AQI
17AQI
25AQI
23AQI
17AQI
37AQI
49AQI
33AQI
24AQI
22AQI
25AQI
23AQI
27AQI
13AQI
20AQI
20AQI
24AQI
27AQI
28AQI
28AQI
32AQI
18AQI
13AQI
12AQI
15AQI
17AQI
12AQI
13AQI
13AQI
18AQI
22AQI
23AQI
19AQI
28AQI
19AQI
14AQI
17AQI
22AQI
34AQI
53AQI
57AQI
48AQI
67AQI
71AQI
43AQI
45AQI
65AQI
58AQI
49AQI
32AQI
31AQI
26AQI
21AQI
25AQI
33AQI
49AQI
51AQI
49AQI
55AQI
51AQI
36AQI
25AQI
25AQI
35AQI
34AQI
35AQI
31AQI
42AQI
42AQI
52AQI
55AQI
44AQI
36AQI
29AQI
29AQI
28AQI
27AQI
19AQI
22AQI
25AQI
32AQI
36AQI
19AQI
23AQI
19AQI
30AQI
22AQI
24AQI
26AQI
34AQI
72AQI
71AQI
68AQI
57AQI
52AQI
64AQI
55AQI
33AQI
55AQI
72AQI
79AQI
55AQI
60AQI
35AQI
33AQI
35AQI
47AQI
23AQI
21AQI
22AQI
41AQI
38AQI
51AQI
No. of days
202532AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
April21AQI
Most & Least Polluted Years Over the Last 1 Years
Truro's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .