---
entity_id: city:us:geonames:4891534
entity_type: city
name: Fairfield
country_code: US
country: United States
slug: fairfield-il-097
canonical_url: https://immigrationdb.com/cities/us/fairfield-il-097/
json_url: https://immigrationdb.com/data/cities/us/fairfield-il-097.json
markdown_url: https://immigrationdb.com/data/cities/us/fairfield-il-097.md
mcp_uri: immigrationdb://city/us/fairfield-il-097
snapshot_id: approved-static-d7ed373c115d60d0
generated_at: 2026-09-12
last_verified: 2026-09-11
fact_count: 14
language_location_count: 0
employment_location_count: 0
city_intent_block_count: 0
usefulness_tier: useful
indexable: true
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
citation_schema: immigrationdb-citation-v1
citation_canonical_url: https://immigrationdb.com/cities/us/fairfield-il-097/
citation_title: "Fairfield (IL), United States: jobs, safety"
citation_author: ImmigrationDB
citation_publisher: ImmigrationDB
citation_snapshot_id: approved-static-d7ed373c115d60d0
citation_version: approved-static-d7ed373c115d60d0
citation_retrieval_date: 2026-09-12
citation_build_date: 2026-09-12
citation_license_url: https://creativecommons.org/licenses/by/4.0/
---

# Fairfield

Fairfield is a city in the United States, and the figures below are its published values. Annual PM2.5 in the air was 7.6 µg/m³ at the end of 2024.

## Answers

Deterministic answers rendered from this page's published values. The JSON twin carries the machine-readable answer objects.

### Is the air quality good in Fairfield?

The annual PM2.5 mean is about 7.6 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³.

- Annual mean at the measuring site(s) serving the city; current-day readings differ.
- Value: 7.6 µg/m³ · Period: 2024
- Claims: claim-8e3ae325462a
### How safe is Fairfield?

Police recorded about 3,237 incidents per 100,000 (2024). This counts all offences, so it is not comparable with a violent-crime-only rate from another source.

- Value: 3,237 incidents per 100,000 · Period: 2024
- Claims: claim-d05a79258fb4
### What is the unemployment rate in Fairfield?

The unemployment rate is about 5.7 % (ACS 2020-2024 5-year).

- Value: 5.7 % · Period: ACS 2020-2024 5-year
- Claims: claim-3fc03c0919c5
## Mobility

Fairfield's nearest airport was ORD, 30 km away and offered 206 direct destinations.

## Climate

Monthly mean temperature moved from −6°C in January to 22.3°C in July. Monthly precipitation was 44.7 mm in January and 101.9 mm in July. Fairfield's maximum PM2.5 level reached 21.2 µg/m³ at the end of 2024.

## Safety

Fairfield's crime rate stood at 3,236.8 incidents per 100,000 residents at the end of 2024.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Safety City Property Crime Count | `safety_city_property_crime_count` | 128 offenses/year | city | 2024-12-31 | 2026-09-11 | stale | verified | [1] |
| Unemployment rate | `unemployment_total_percent` | 5.73 % | parent_municipality | 2024-12-31 | 2026-08-06 | stale | supplemental | [2] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 7.56 µg/m³ | nearest_station | 2024-12-31 | 2026-08-06 | stale | verified | [3] |
| Average daytime high by month | `climate_monthly_high_c` | Jan -0.778 · Feb 1.44 · Mar 7.78 · Apr 14.89 · May 21.33 · Jun 26.78 · Jul 29 · Aug 27.94 · Sep 24.28 · Oct 17.22 · Nov 8.94 · Dec 2.17 °C | parent_municipality | 1991-12-31 | 2026-08-06 | stale | verified | [4] |
| Average night-time low by month | `climate_monthly_low_c` | Jan -10.61 · Feb -8.78 · Mar -3.39 · Apr 2.56 · May 8.44 · Jun 13.89 · Jul 16.39 · Aug 15.39 · Sep 10.78 · Oct 4.22 · Nov -1.44 · Dec -7.06 °C | parent_municipality | 1991-12-31 | 2026-08-06 | stale | verified | [4] |
| Average temperature by month | `climate_monthly_mean_c` | Jan -6 · Feb -4.11 · Mar 1.67 · Apr 7.94 · May 14.28 · Jun 19.89 · Jul 22.33 · Aug 21.56 · Sep 17.39 · Oct 10.61 · Nov 3.5 · Dec -2.83 °C | parent_municipality | 1991-12-31 | 2026-08-06 | stale | verified | [5] |
| Average precipitation by month | `climate_monthly_precip_mm` | Jan 44.7 · Feb 49.02 · Mar 63.25 · Apr 100.3 · May 116.1 · Jun 111.3 · Jul 101.9 · Aug 106.4 · Sep 85.85 · Oct 81.28 · Nov 62.74 · Dec 53.85 mm | parent_municipality | 1991-12-31 | 2026-08-06 | stale | verified | [5] |
| G04 Air Quality Pm25 Max Ug M3 | `g04_air_quality_pm25_max_ug_m3` | 21.2 µg/m³ | nearest_station | 2024-12-31 | 2026-08-07 | stale | verified | [3] |
| G04 Air Quality Pm25 Mean Annual Ug M3 | `g04_air_quality_pm25_mean_annual_ug_m3` | 7.56 µg/m³ | nearest_station | 2024-12-31 | 2026-08-07 | stale | verified | [3] |
| Recorded incidents per 100,000 residents | `crime_incidents_per_100k` | 3,237 offences per 100,000 | city | 2024-12-31 | 2026-08-04 | stale | verified | [6] |
| Safety City Violent Crime Count | `safety_city_violent_crime_count` | 24 offenses/year | city | 2024-12-31 | 2026-09-11 | stale | verified | [1] |
| Airport Direct Destinations Count | `airport_direct_destinations_count` | 206 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [7] |
| Nearest Major Airport Distance Km | `nearest_major_airport_distance_km` | 30 km | city | 2026-08-03 | 2026-08-03 | fresh | verified | [8] |
| Nearest Major Airport Iata | `nearest_major_airport_iata` | ORD | city | 2026-08-03 | 2026-08-03 | fresh | verified | [8] |

Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed.

## Language courses and integration

- [Adult Education and English Language Acquisition (AEFLA)](https://www.ed.gov/adult-programs) — State Language Course · U.S. Department of Education · English · checked 2026-08-10
- [USCIS English and citizenship class finder](https://my.uscis.gov/) — Civic Orientation · U.S. Citizenship and Immigration Services · English · checked 2026-08-10

These are country-level programmes, not proof of a course location in this city.

## Public employment service

- [American Job Centers](https://www.usa.gov/job-help) — Job Search

This is a country-level service, not proof of a physical office in this city.

## Healthcare access

Migrants can receive medical care in Fairfield when the country-wide insurance or residence conditions are met. City capacity facts do not determine personal eligibility.

- Public healthcare access for foreign residents: no — [official source](https://www.healthcare.gov/immigrants/)

## Country-wide rules

Visa, benefit, tax and healthcare eligibility rules are published on the [United States country page](https://immigrationdb.com/countries/united-states/).

## Sources

1. FBI CIUS Table 8 by City 2024 (CDE offenses-known-to-le-2024.zip) — Official source — https://cde.ucr.cjis.gov/LATEST/s3/signedurl?key=cius%2F2024%2Foffenses-known-to-le-2024.zip
2. Census Reporter mirror of ACS 2024 5-year tables — Independent source — https://api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B05002%2CB25064%2CB23025&geo_ids=16000US3771220%2C16000US3646019%2C16000US2639540%2C16000US3725980%2C16000US3945094%2C16000US2652080%2C16000US2881520%2C16000US4121550%2C16000US2453875%2C16000US2150898%2C16000US3631643%2C16000US4103150%2C16000US3975126%2C16000US3436480%2C16000US3406490%2C16000US3602044%2C16000US1759234%2C16000US3731620%2C16000US5318965%2C16000US4249128%2C16000US2656360%2C16000US3444520%2C16000US4911440%2C16000US4880224%2C16000US4875308%2C16000US2879120%2C16000US4936400%2C16000US2635520%2C16000US4061000%2C16000US3980766%2C16000US3001675%2C16000US5572925%2C16000US4243816%2C16000US1733630%2C16000US2407850%2C16000US2977128%2C16000US4251144%2C16000US1907390%2C16000US4810252%2C16000US3946312%2C16000US2306925%2C16000US2268475%2C16000US1767769%2C16000US4539895%2C16000US5580075%2C16000US4208416%2C16000US4875476%2C16000US2702026%2C16000US2134966%2C16000US3456130
3. US EPA Air Quality System (AQS) — Official source — https://aqs.epa.gov/aqsweb/airdata/annual_conc_by_monitor_2024.zip
4. NOAA U.S. Monthly Climate Normals 1991-2020 — station USC00115493 (MCHENRY STRATTON LOCK/DAM) — Official source — https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00115493.csv
5. NOAA National Centers for Environmental Information — Official source — https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00115961.csv
6. FBI Crime Data Explorer / Uniform Crime Reporting — Official source — https://cde.ucr.cjis.gov/LATEST/webapp/#/pages/home
7. OpenFlights — Official source — https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat
8. OurAirports — Official source — https://davidmegginson.github.io/ourairports-data/airports.csv

## Cite

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.

### APA

ImmigrationDB. (2026, September 12). Fairfield (IL), United States: jobs, safety [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/us/fairfield-il-097/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

### BibTeX

```bibtex
@misc{immigrationdb_immigrationdb_fairfield-il-united-states-jobs-safety_8684cf72abd4,
  author = {ImmigrationDB},
  title = {Fairfield (IL), United States: jobs, safety},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-12},
  version = {approved-static-d7ed373c115d60d0},
  snapshot = {approved-static-d7ed373c115d60d0},
  url = {https://immigrationdb.com/cities/us/fairfield-il-097/},
  note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
```

### Markdown

[Fairfield (IL), United States: jobs, safety](https://immigrationdb.com/cities/us/fairfield-il-097/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0; retrieved 2026-09-12; built 2026-09-12.

- Citation schema: `immigrationdb-citation-v1`
- Canonical URL: https://immigrationdb.com/cities/us/fairfield-il-097/
- Title: Fairfield (IL), United States: jobs, safety
- Author: ImmigrationDB
- Publisher: ImmigrationDB
- Snapshot: `approved-static-d7ed373c115d60d0`
- Version: `approved-static-d7ed373c115d60d0`
- Retrieved: 2026-09-12
- Built: 2026-09-12
- Compilation license: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

## Data

- HTML: https://immigrationdb.com/cities/us/fairfield-il-097/
- JSON: https://immigrationdb.com/data/cities/us/fairfield-il-097.json
- Markdown: https://immigrationdb.com/data/cities/us/fairfield-il-097.md
- MCP resource: immigrationdb://city/us/fairfield-il-097
- Metric dictionary: https://immigrationdb.com/data/metrics.json
- City shard index: https://immigrationdb.com/data/cities/index.json
- Release catalog: https://immigrationdb.com/data/catalog.json