Peterborough, New Hampshire, 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
Peterborough, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Peterborough, New Hampshire, United States
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
29AQI
25AQI
48AQI
24AQI
In the last 24 hours,
Peterborough's AQI reached its highest point of 48 at 12 AM during the Night, while the lowest point, 24, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Peterborough, New Hampshire, United States
19°C13/27°C
20°C14/27°C
19°C15/24°C
19°C12/26°C
19°C15/25°C
21°C15/27°C
18°C12/25°C
19°C13/25°C
20°C14/27°C
19°C13/27°C
21°C13/29°C
20°C17/25°C
17°C16/20°C
18°C15/23°C
19°C14/24°C
22°C16/29°C
23°C19/29°C
21°C17/24°C
21°C15/28°C
21°C16/28°C
23°C18/28°C
25°C20/30°C
23°C19/29°C
22°C19/29°C
22°C16/27°C
22°C18/27°C
20°C15/27°C
20°C16/26°C
19°C14/26°C
19°C15/24°C
36AQI
28AQI
34AQI
30AQI
2026 Days Vs Air Quality
Peterborough, New Hampshire, United States
95%
212
5%
12
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 227 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
Peterborough, New Hampshire, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
10AQI (US)
10AQI (US)
10AQI (US)
19AQI (US)
45AQI (US)
27AQI (US)
15AQI (US)
18AQI (US)
14AQI (US)
11AQI (US)
9AQI (US)
20AQI (US)
27AQI (US)
25AQI (US)
9AQI (US)
24AQI (US)
31AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
34AQI (US)
43AQI (US)
30AQI (US)
59AQI (US)
47AQI (US)
41AQI (US)
24AQI (US)
29AQI (US)
47AQI (US)
37AQI (US)
34AQI (US)
44AQI (US)
32AQI (US)
27AQI (US)
35AQI (US)
28AQI (US)
22AQI (US)
22AQI (US)
40AQI (US)
30AQI (US)
23AQI (US)
37AQI (US)
38AQI (US)
29AQI (US)
21AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
30AQI (US)
27AQI (US)
37AQI (US)
29AQI (US)
37AQI (US)
45AQI (US)
31AQI (US)
24AQI (US)
30AQI (US)
20AQI (US)
34AQI (US)
54AQI (US)
26AQI (US)
43AQI (US)
20AQI (US)
35AQI (US)
38AQI (US)
38AQI (US)
36AQI (US)
20AQI (US)
25AQI (US)
31AQI (US)
38AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
35AQI (US)
33AQI (US)
28AQI (US)
19AQI (US)
29AQI (US)
26AQI (US)
40AQI (US)
40AQI (US)
33AQI (US)
20AQI (US)
27AQI (US)
35AQI (US)
29AQI (US)
16AQI (US)
17AQI (US)
30AQI (US)
34AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
20AQI (US)
21AQI (US)
29AQI (US)
26AQI (US)
17AQI (US)
22AQI (US)
28AQI (US)
22AQI (US)
32AQI (US)
35AQI (US)
32AQI (US)
29AQI (US)
19AQI (US)
30AQI (US)
32AQI (US)
33AQI (US)
27AQI (US)
24AQI (US)
17AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
20AQI (US)
29AQI (US)
28AQI (US)
19AQI (US)
28AQI (US)
29AQI (US)
23AQI (US)
14AQI (US)
38AQI (US)
41AQI (US)
31AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
29AQI (US)
20AQI (US)
11AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
13AQI (US)
14AQI (US)
17AQI (US)
42AQI (US)
70AQI (US)
38AQI (US)
35AQI (US)
64AQI (US)
68AQI (US)
72AQI (US)
71AQI (US)
73AQI (US)
64AQI (US)
41AQI (US)
16AQI (US)
11AQI (US)
15AQI (US)
17AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
14AQI (US)
15AQI (US)
11AQI (US)
18AQI (US)
11AQI (US)
15AQI (US)
15AQI (US)
12AQI (US)
27AQI (US)
25AQI (US)
14AQI (US)
18AQI (US)
17AQI (US)
11AQI (US)
13AQI (US)
13AQI (US)
12AQI (US)
18AQI (US)
12AQI (US)
16AQI (US)
17AQI (US)
53AQI (US)
42AQI (US)
42AQI (US)
76AQI (US)
38AQI (US)
27AQI (US)
41AQI (US)
26AQI (US)
22AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
38AQI (US)
52AQI (US)
32AQI (US)
25AQI (US)
27AQI (US)
37AQI (US)
39AQI (US)
30AQI (US)
18AQI (US)
29AQI (US)
38AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
March31AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
April17AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
July32AQI (US)
Lowest AQI (US) recorded in
November22AQI (US)
202333AQI (US)
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
March35AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
July35AQI (US)
Lowest AQI (US) recorded in
November22AQI (US)
202028AQI (US)
Highest AQI (US) recorded in
March34AQI (US)
Lowest AQI (US) recorded in
October24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Peterborough's annual 2026 AQI (US) (28) shows an average percentage change of -4.6% (improved AQI (US)) compared to previous years: 2020 (28), 2021 (30), 2022 (31), 2023 (33), 2024 (28), 2025 (27).