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)
22
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.02 μg/m³
0
55
155
255
425
605+
23.86 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
1.66 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Laconia, New Hampshire
Laconia, New Hampshire
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AQI 27
Good
5.38μg/m³
PM2.5
20.88μg/m³
PM10
23.20ppb
O3
0.47ppb
SO2
1.53ppb
NO2
0.21ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
13.44μg/m³
PM10
22.96ppb
O3
0.97ppb
SO2
1.75ppb
NO2
0.21ppm
CO
AQI 33
Good
5.92μg/m³
PM2.5
22.37μg/m³
PM10
23.83ppb
O3
0.34ppb
SO2
1.44ppb
NO2
0.21ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
12.31μg/m³
PM10
24.49ppb
O3
0.99ppb
SO2
1.96ppb
NO2
0.21ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
13.47μg/m³
PM10
23.46ppb
O3
1.06ppb
SO2
1.96ppb
NO2
0.21ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
13.13μg/m³
PM10
23.86ppb
O3
0.66ppb
SO2
1.77ppb
NO2
0.18ppm
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 2026-08-11.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 09:00:00 on 2026-08-12.
As of now, the AQI in Laconia, New Hampshire is 22, 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 3.439 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 15.024 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.187 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.782 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 23.856 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 1.655 ppb.
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