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)
31
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.07 μg/m³
0
55
155
255
425
605+
34.42 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.51 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Laconia, New Hampshire
Scroll To Air Quality MapLoading...
AQI 38
Good
6.96μg/m³
PM2.5
19.43μg/m³
PM10
28.37ppb
O3
1.01ppb
SO2
3.03ppb
NO2
0.21ppm
CO
AQI 38
Good
6.79μg/m³
PM2.5
18.41μg/m³
PM10
31.01ppb
O3
0.79ppb
SO2
3.26ppb
NO2
0.22ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
17.31μg/m³
PM10
30.20ppb
O3
1.10ppb
SO2
2.84ppb
NO2
0.21ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
18.46μg/m³
PM10
31.79ppb
O3
0.75ppb
SO2
3.40ppb
NO2
0.22ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
20.98μg/m³
PM10
31.86ppb
O3
0.79ppb
SO2
3.29ppb
NO2
0.22ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
39.29μg/m³
PM10
33.81ppb
O3
0.70ppb
SO2
3.33ppb
NO2
0.21ppm
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 04:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 09:00:00 on 2026-02-11.
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 4.048 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 18.075 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.214 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.855 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 34.73 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 2.867 ppb.
All Rights Reserved © Ambee Inc. 2025