Stay updated with real-time air quality in Laconia, New Hampshire featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
32
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.94 μg/m³
0
55
155
255
425
605+
35.08 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
9.32 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Laconia, New Hampshire
Laconia, New Hampshire
Scroll To Air Quality MapLoading...
AQI 36
Good
4.51μg/m³
PM2.5
21.52μg/m³
PM10
38.77ppb
O3
1.12ppb
SO2
9.51ppb
NO2
0.24ppm
CO
AQI 38
Good
5.25μg/m³
PM2.5
27.90μg/m³
PM10
41.36ppb
O3
0.69ppb
SO2
9.95ppb
NO2
0.26ppm
CO
AQI 36
Good
4.71μg/m³
PM2.5
22.13μg/m³
PM10
38.65ppb
O3
1.10ppb
SO2
9.30ppb
NO2
0.24ppm
CO
AQI 38
Good
6.07μg/m³
PM2.5
31.27μg/m³
PM10
41.17ppb
O3
0.66ppb
SO2
10.04ppb
NO2
0.26ppm
CO
AQI 37
Good
5.88μg/m³
PM2.5
27.94μg/m³
PM10
40.29ppb
O3
0.66ppb
SO2
9.94ppb
NO2
0.26ppm
CO
AQI 34
Good
4.72μg/m³
PM2.5
6.12μg/m³
PM10
37.43ppb
O3
0.63ppb
SO2
5.69ppb
NO2
0.19ppm
CO
Air quality and pollutant data for New Hampshire, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Laconia, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Laconia, New Hampshire was at its worst at 05:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 08:00:00 on 2025-12-28.
As of now, the AQI in Laconia, New Hampshire is 32, indicating Good conditions.
Laconia, New Hampshire air has the highest levels of O3.
Poor air quality in Laconia, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Laconia, New Hampshire are currently 4.897 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 20.938 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.236 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.736 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 35.08 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 9.323 ppb.
All Rights Reserved © Ambee Inc. 2025