New Hampshire, Laconia, 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
New Hampshire, Laconia, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (6th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Mar - 6th Mar 2026
New Hampshire, Laconia, New Hampshire, United States
6 AM5th Mar 2026
5 PM
5 AM6th Mar 2026
40AQI
12AQI
60AQI
8AQI
In the last 24 hours,
New Hampshire's AQI reached its highest point of 60 at 8 PM during the Night, while the lowest point, 8, was recorded at 12 AM during the Night between 5th Mar and 6th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
New Hampshire, Laconia, New Hampshire, United States
-8°C-14/-2°C
-10°C-17/-6°C
-10°C-17/-5°C
-14°C-18/-7°C
-9°C-15/-2°C
-5°C-9/1°C
-3°C-8/1°C
-4°C-8/1°C
-4°C-10/2°C
-4°C-8/1°C
-4°C-9/2°C
-6°C-13/2°C
-2°C-7/2°C
1°C-4/6°C
-2°C-10/6°C
-2°C-7/5°C
-4°C-6/-1°C
-6°C-13/1°C
-3°C-6/2°C
-7°C-10/-4°C
-8°C-15/-2°C
-2°C-8/3°C
-4°C-11/4°C
2°C-9/11°C
-3°C-11/1°C
-9°C-17/-1°C
-7°C-17/3°C
3°C-5/12°C
1°C-3/7°C
-3°C-6/-1°C
51AQI
28AQI
52AQI
29AQI
2026 Days Vs Air Quality
New Hampshire, Laconia, New Hampshire, United States
94%
61
6%
4
Total number of days with different AQI categories in last 66 days in 2026 (299 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 66 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
New Hampshire, Laconia, New Hampshire, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
11AQI (US)
12AQI (US)
12AQI (US)
24AQI (US)
47AQI (US)
32AQI (US)
18AQI (US)
22AQI (US)
14AQI (US)
11AQI (US)
10AQI (US)
23AQI (US)
27AQI (US)
35AQI (US)
9AQI (US)
28AQI (US)
44AQI (US)
21AQI (US)
20AQI (US)
19AQI (US)
46AQI (US)
46AQI (US)
41AQI (US)
57AQI (US)
47AQI (US)
36AQI (US)
28AQI (US)
37AQI (US)
58AQI (US)
43AQI (US)
42AQI (US)
51AQI (US)
41AQI (US)
36AQI (US)
45AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
44AQI (US)
42AQI (US)
30AQI (US)
39AQI (US)
44AQI (US)
38AQI (US)
24AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
37AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
38AQI (US)
45AQI (US)
35AQI (US)
31AQI (US)
34AQI (US)
25AQI (US)
36AQI (US)
59AQI (US)
35AQI (US)
47AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
36AQI (US)
39AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202422AQI (US)
Highest AQI (US) recorded in
August34AQI (US)
Lowest AQI (US) recorded in
March10AQI (US)
202328AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
November17AQI (US)
202226AQI (US)
Highest AQI (US) recorded in
March31AQI (US)
Lowest AQI (US) recorded in
November18AQI (US)
202126AQI (US)
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
October16AQI (US)
202023AQI (US)
Highest AQI (US) recorded in
September24AQI (US)
Lowest AQI (US) recorded in
November21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
New Hampshire's annual 2026 AQI (US) (33) shows an average percentage change of 31.1% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (26), 2022 (26), 2023 (28), 2024 (22), 2025 (28).