Nearby locations
Portsmouth, New Hampshire, United States
Bersum Gardens, New Hampshire, United States
Oak Terrace, Maine, United States
Nearby popular places
Strwaberry Banke Historic District, United States
Parade Mall, United States
Liberty Gardens, United States

Air Quality in Portsmouth, New Hampshire, United States

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Pollutants in Portsmouth, United States

PM10
0.54 μg/ft3
PM25
Primary Pollutant
0.41 μg/ft3
NO2
14.63 ppb
SO2
6.38 ppb
CO
5.19 ppb
O3
22.38 ppb
Low riskHigh risk

Pollen Index in Portsmouth, United States

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Air Quality Forecast in Portsmouth, United States

Sat, May 18
MorningNoonEveningNight
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 53 and 98.

54
71
89
69
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

1
1
1
0

Weed

0
0
0
0

Grass

0
0
1
0
PM10
0.60 μg/ft3
0.85 μg/ft3
0.78 μg/ft3
0.83 μg/ft3
PM25
0.42 μg/ft3
0.59 μg/ft3
0.54 μg/ft3
0.58 μg/ft3
NO2
13.03 ppb
4.12 ppb
8.88 ppb
16.2 ppb
SO2
2.47 ppb
2.14 ppb
1.94 ppb
2.41 ppb
CO
0.22 ppb
0.22 ppb
0.23 ppb
0.26 ppb
O3
13.73 ppb
56.96 ppb
61.97 ppb
31.43 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 49 and 79.

53
52
0
0
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

1
1
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

0
1
-
Not Available
-
Not Available
PM10
0.50 μg/ft3
0.54 μg/ft3
N/A
N/A
PM25
0.35 μg/ft3
0.38 μg/ft3
N/A
N/A
NO2
6.97 ppb
5.12 ppb
N/A
N/A
SO2
1.95 ppb
2.41 ppb
N/A
N/A
CO
0.18 ppb
0.18 ppb
N/A
N/A
O3
25.96 ppb
51.35 ppb
N/A
N/A