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)
23
Good
Laconia, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.84 μg/m³
0
55
155
255
425
605+
24.56 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
2.67 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Laconia, New Hampshire
Laconia, New Hampshire
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AQI 38
Good
6.58μg/m³
PM2.5
20.58μg/m³
PM10
30.21ppb
O3
0.37ppb
SO2
4.06ppb
NO2
0.20ppm
CO
AQI 30
Good
5.11μg/m³
PM2.5
19.61μg/m³
PM10
31.50ppb
O3
0.44ppb
SO2
3.62ppb
NO2
0.21ppm
CO
AQI 33
Good
6.40μg/m³
PM2.5
20.48μg/m³
PM10
31.11ppb
O3
0.35ppb
SO2
5.11ppb
NO2
0.20ppm
CO
AQI 28
Good
4.71μg/m³
PM2.5
17.42μg/m³
PM10
30.41ppb
O3
0.46ppb
SO2
3.61ppb
NO2
0.22ppm
CO
AQI 29
Good
4.80μg/m³
PM2.5
17.74μg/m³
PM10
31.46ppb
O3
0.47ppb
SO2
3.64ppb
NO2
0.22ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
21.85μg/m³
PM10
26.21ppb
O3
0.42ppb
SO2
3.55ppb
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 09:00:00 on 2025-09-13.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 01:00:00 on 2025-09-13.
As of now, the AQI in Laconia, New Hampshire is 30, 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 4.112 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 17.882 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.205 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.364 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 31.833 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 3.421 ppb.
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