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)
38
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.89 μg/m³
0
55
155
255
425
605+
40.75 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
2.32 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Laconia, New Hampshire
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AQI 38
Good
3.53μg/m³
PM2.5
9.35μg/m³
PM10
40.77ppb
O3
0.79ppb
SO2
2.31ppb
NO2
0.18ppm
CO
AQI 35
Good
3.80μg/m³
PM2.5
15.18μg/m³
PM10
38.01ppb
O3
0.67ppb
SO2
2.64ppb
NO2
0.16ppm
CO
AQI 36
Good
3.60μg/m³
PM2.5
9.05μg/m³
PM10
39.46ppb
O3
0.85ppb
SO2
2.25ppb
NO2
0.18ppm
CO
AQI 35
Good
3.81μg/m³
PM2.5
14.29μg/m³
PM10
38.23ppb
O3
0.67ppb
SO2
2.85ppb
NO2
0.16ppm
CO
AQI 34
Good
3.81μg/m³
PM2.5
11.95μg/m³
PM10
37.11ppb
O3
0.68ppb
SO2
2.69ppb
NO2
0.16ppm
CO
AQI 37
Good
3.92μg/m³
PM2.5
12.63μg/m³
PM10
40.07ppb
O3
0.64ppb
SO2
2.67ppb
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 02:00:00 on 2026-03-05.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 05:00:00 on 2026-03-05.
As of now, the AQI in Laconia, New Hampshire is 38, 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 3.596 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 15.892 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.184 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.662 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 40.746 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 2.317 ppb.
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