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Living in Portsmouth

Portsmouth is a city in the United States, and the figures below are its published values. Annual PM2.5 levels for Portsmouth stood at 5.1 µg/m³ at the end of 2024.

Lower unemployment than 66% of American cities that publish it, less recorded crime than 96% of American cities that publish it and cleaner air than 91% of American cities that publish it.

Which United States-wide rules apply when you move to Portsmouth?

National rules stay on the country page instead of being relabelled as city data.

Visa and entry rulesPassport-specific entry and national residence context.BenefitsCountry-wide eligibility and official application routes.Taxes in United StatesNational rates and thresholds that apply in Portsmouth.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

No city-level rent or cost figure is published for Portsmouth yet. We do not infer one from another place.

MetricValuePeriodSource
Safety City Property Crime Count52 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)2Official

Work and income

Unemployment across cities in United StatesUnemployment in Portsmouth is 3.7%. Of 2,065 cities with data, 1,200 have unemployment of 0 to under 5%.
unemployment rate, % · measured cities in United States per band1200 cities: 0% to under 5%12000–5Portsmouth 3.7%742 cities: 5% to under 10%7425–1095 cities: 10% to under 15%9510–1525 cities: 15% to under 20%2515–202 cities: 20% to under 25%220–251 city: 25% to under 30%125–30

Unemployment rate (%)

MetricValuePeriodSource
Unemployment rate3.7 %country median 4.5%31 Dec 2024api.bls.gov1Official

Public employment service

No exact public employment office is currently linked to Portsmouth. The verified national service may still offer online registration, job search or an official office finder.

Country-level information

American Job Centers — Public employment service

U.S. Department of Labor Employment and Training Administration

Job Search
Open official service
Open the United States service overview

Country-level service information is not treated as proof of a physical office in Portsmouth. Sources checked through 10 Aug 2026.

Safety

At the end of 2024, the crime rate reached 358.4 incidents per 100,000 residents.

Recorded crime across major citiesPortsmouth highlighted among comparable cities
Recorded crime across major cities with Portsmouth highlighted5,457Philadelphia5,442Houston5,218San Antonio4,613Portsmouth4,012Chicago4,010Dallas3,709Austin3,158Fort Worth3,125Phoenix3,039New York2,212Los Angeles2,082San Diegorecorded incidents per 100k residents
MetricValuePeriodSource
Recorded incidents per 100,000 residents358.4 offences per 100,000country median 1,58931 Dec 2024FBI Crime Data Explorer / Uniform Crime Reporting3Official
Safety City Violent Crime Count7 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)2Official

Mobility and administration

Portsmouth's nearest major airport was 8 km away.

MetricValuePeriodSource
Nearest Major Airport Distance Km8 km3 Aug 2026OurAirports9Official
Nearest Major Airport IataNPT3 Aug 2026OurAirports9Official

Language courses and integration

No exact city-level course record is currently published for Portsmouth. These verified national programmes may still apply; use the official programme page to check local availability.

Country-level information

Adult Education and English Language Acquisition (AEFLA) — State Language Course

U.S. Department of Education

For adult learners, adult English-language learners.

EnglishIn Person, Online, Hybridvaries
Open official information

USCIS English and citizenship class finder — Civic Orientation

U.S. Citizenship and Immigration Services

For immigrants, future citizens.

EnglishIn Person, Onlinevaries
Open official information
Open the full United States section
National programme information is not treated as proof of a course location in Portsmouth.

Climate and air quality

Monthly mean temperatures were −1°C in January and 23.6°C in July. Portsmouth's monthly precipitation totalled 100.5 mm in January and 74 mm in July. Maximum PM2.5 in Portsmouth reached 21.1 µg/m³ at the end of 2024.

Temperature through the yearAverage daytime high and night-time low, °C
Portsmouth average monthly daytime high and night-time low temperature, °C-10°0°10°20°30°JFMAMJJASOND29°-5°Daytime highNight-time low
Rainfall through the yearAverage monthly precipitation, mm
Portsmouth average monthly precipitation, mm035701051401018712510986977491106106109118JFMAMJJASONDmm
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
Portsmouth annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit5255.1PM2.5µg/m³

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in United StatesAnnual PM2.5 in Portsmouth is 5.1 µg/m³. Of 968 cities with data, 262 have annual PM2.5 of 6 to under 7 µg/m³.
annual PM2.5, µg/m³ · measured cities in United States per band1 city: 1 µg/m³ to under 2 µg/m³11–22 cities: 2 µg/m³ to under 3 µg/m³22–331 cities: 3 µg/m³ to under 4 µg/m³313–451 cities: 4 µg/m³ to under 5 µg/m³514–5135 cities: 5 µg/m³ to under 6 µg/m³1355–6Portsmouth 5.1262 cities: 6 µg/m³ to under 7 µg/m³2626–7252 cities: 7 µg/m³ to under 8 µg/m³2527–8124 cities: 8 µg/m³ to under 9 µg/m³1248–958 cities: 9 µg/m³ to under 10 µg/m³589–1033 cities: 10 µg/m³ to under 11 µg/m³3310–114 cities: 11 µg/m³ to under 12 µg/m³411–124 cities: 12 µg/m³ to under 13 µg/m³412–135 cities: 13 µg/m³ to under 14 µg/m³513–143 cities: 14 µg/m³ to under 15 µg/m³314–153 cities: 15 µg/m³ to under 16 µg/m³315–16

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
PM2.5 — annual mean5.1 µg/m³31 Dec 2024US EPA Air Quality System (AQS)10Official · nearest-station reading
Average daytime high by monthJan 3.5 · Feb 4.7 · Mar 8.7 · Apr 14.9 · May 20.5 · Jun 25.4 · Jul 28.7 · Aug 27.9 · Sep 23.8 · Oct 17.7 · Nov 11.8 · Dec 6.3 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)4Official · nearest-station reading
Average night-time low by monthJan -5.5 · Feb -4.7 · Mar -1 · Apr 4.2 · May 9.6 · Jun 14.9 · Jul 18.5 · Aug 17.7 · Sep 13.6 · Oct 7.3 · Nov 2.1 · Dec -2.4 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)4Official · nearest-station reading
Average temperature by monthJan -1 · Feb 0 · Mar 3.9 · Apr 9.6 · May 15 · Jun 20.1 · Jul 23.6 · Aug 22.8 · Sep 18.7 · Oct 12.5 · Nov 6.9 · Dec 1.9 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)4Official · nearest-station reading
Average precipitation by monthJan 100.5 · Feb 87.3 · Mar 124.5 · Apr 109.1 · May 85.6 · Jun 96.7 · Jul 74 · Aug 91.2 · Sep 106 · Oct 106.1 · Nov 108.6 · Dec 118.1 mm31 Dec 1991NOAA National Centers for Environmental Information (NCEI)4Official · nearest-station reading
G04 Air Quality Pm25 Max Ug M321.1 µg/m³31 Dec 2024US EPA Air Quality System (AQS)10Official · nearest-station reading
G04 Air Quality Pm25 Mean Annual Ug M35.09 µg/m³31 Dec 2024US EPA Air Quality System (AQS)10Official · nearest-station reading
G11 Annual Precipitation Mm1,208 mm31 Dec 1991NOAA National Centers for Environmental Information (NCEI)5Official · nearest-station reading
G11 Max Temp C Jul28.7 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)6Official · nearest-station reading
Average annual temperature11.2 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)7Official · nearest-station reading
G11 Min Temp C Jan-5.5 °C31 Dec 1991NOAA National Centers for Environmental Information (NCEI)8Official · nearest-station reading

Population and city profile

MetricValuePeriodSource
Safety City Crime Covered Population17,253 people31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)2Official

Is Portsmouth a good place to live?

There is no universal answer. The profile scores below show who the available published evidence may suit; they are a decision aid, not a personal recommendation.

Try your profile
Remote worker47%strong on work, weak on housing · range 37–57%
Skilled employee66%strong on work, weak on education · range 56–76%
Student48%strong on legal route, weak on education · range 37–59%
Family64%strong on family, weak on education · range 54–74%
Retirement48%strong on safety, weak on admin · range 36–60%
Unemployment rate3.7 %31 Dec 2024Official source · api.bls.gov
PM2.5 — annual mean5.1 µg/m³31 Dec 2024Official source · US EPA Air Quality System (AQS)
Average annual temperature11.2 °C31 Dec 1991Official source · NOAA National Centers for Environmental Information (NCEI)
Recorded incidents per 100,000 residents358.4 offences per 100,00031 Dec 2024Official source · FBI Crime Data Explorer / Uniform Crime Reporting
Every value keeps its source, geographic scope and verification date · Last checked 2026-09-05

Yes — migrants can receive medical care in Portsmouth when the national insurance or residence conditions are met.

Healthcare access follows the country-wide insurance rules; local capacity facts remain city data and are not used as proof of eligibility.

Open the official coverage guide
Country rule verified 2026-08-03.

Common questions

Answered from the published values on this page, each with its source and date.

What is the unemployment rate in Portsmouth?

The unemployment rate is 3.7 %. Source: api.bls.gov.

Is the air quality good in Portsmouth?

The annual PM2.5 mean is 5.1 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: US EPA Air Quality System (AQS).

How safe is Portsmouth?

Police recorded 358.4 offences per 100,000. This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: FBI Crime Data Explorer / Uniform Crime Reporting.

Is Portsmouth a good place to live?

Portsmouth may suit different people for different reasons. The page's profile scores compare published cost, work, housing, safety, healthcare and other available factors; they are a decision aid, not a universal recommendation.

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation
ImmigrationDB. (2026, September 14). Portsmouth, United States: jobs, safety, air quality [ImmigrationDB compilation; snapshot approved-static-8975a8c3d87026ab; version approved-static-8975a8c3d87026ab]. ImmigrationDB. https://immigrationdb.com/cities/us/portsmouth/ Retrieved 2026-09-14. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_portsmouth-united-states-jobs-safety-air-quality_1c1d0cd3e84f,
  author = {ImmigrationDB},
  title = {Portsmouth, United States: jobs, safety, air quality},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-14},
  version = {approved-static-8975a8c3d87026ab},
  snapshot = {approved-static-8975a8c3d87026ab},
  url = {https://immigrationdb.com/cities/us/portsmouth/},
  note = {Retrieved 2026-09-14. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Portsmouth, United States: jobs, safety, air quality](https://immigrationdb.com/cities/us/portsmouth/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-8975a8c3d87026ab; version approved-static-8975a8c3d87026ab; retrieved 2026-09-14; built 2026-09-14.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

JSON Markdown
  1. api.bls.gov api.bls.gov · checked 2026-08-26
  2. FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip) cde.ucr.cjis.gov · checked 2026-09-05
  3. FBI Crime Data Explorer / Uniform Crime Reporting cde.ucr.cjis.gov · checked 2026-08-04
  4. NOAA National Centers for Environmental Information (NCEI) ncei.noaa.gov · checked 2026-08-06
  5. NOAA National Centers for Environmental Information (NCEI) nodc.noaa.gov · checked 2026-08-07
  6. NOAA National Centers for Environmental Information (NCEI) nodc.noaa.gov · checked 2026-08-07
  7. NOAA National Centers for Environmental Information (NCEI) nodc.noaa.gov · checked 2026-08-07
  8. NOAA National Centers for Environmental Information (NCEI) nodc.noaa.gov · checked 2026-08-07
  9. OurAirports davidmegginson.github.io · checked 2026-08-03
  10. US EPA Air Quality System (AQS) aqs.epa.gov · checked 2026-08-06

Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.