Miller State Park, 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!
March Air Quality Analysis
Miller State Park, Peterborough, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 31 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Mar - 12th Mar 2026
Miller State Park, Peterborough, New Hampshire, United States
6 AM11th Mar 2026
5 PM
5 AM12th Mar 2026
27AQI
9AQI
62AQI
12AQI
In the last 24 hours,
Miller State Park's AQI reached its highest point of 62 at 9 PM during the Night, while the lowest point, 9, was recorded at 11 AM during the Day between 11th Mar and 12th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Miller State Park, Peterborough, New Hampshire, United States
-4°C-9/0°C
-7°C-10/-3°C
-6°C-10/0°C
-5°C-10/0°C
-6°C-9/0°C
-5°C-9/0°C
-3°C-8/0°C
0°C-3/5°C
-2°C-7/2°C
-2°C-4/1°C
-4°C-5/-4°C
-5°C-7/-4°C
-5°C-8/-1°C
-9°C-12/-5°C
-6°C-14/0°C
-3°C-8/1°C
-5°C-12/3°C
1°C-6/8°C
-4°C-11/-1°C
-11°C-18/-6°C
-7°C-12/-3°C
2°C-4/8°C
1°C-4/6°C
-5°C-6/-3°C
1°C-4/6°C
7°C3/10°C
8°C3/14°C
12°C6/20°C
8°C3/13°C
5°C-3/13°C
46AQI
23AQI
44AQI
25AQI
2026 Days Vs Air Quality
Miller State Park, Peterborough, New Hampshire, United States
97%
69
3%
2
Total number of days with different AQI categories in last 72 days in 2026 (293 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 72 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
Miller State Park, 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)
29AQI (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)
25AQI (US)
30AQI (US)
33AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
January25AQI (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
Miller State Park's annual 2026 AQI (US) (29) shows an average percentage change of -1.8% (improved AQI (US)) compared to previous years: 2020 (28), 2021 (30), 2022 (31), 2023 (33), 2024 (28), 2025 (27).