What is the air quality trend in South Saint Paul?

Over the past 21 days, South Saint Paul had an average AQI of 60 based on station measurements. The worst day was 2026-07-16 with AQI 260.

How is South Saint Paul air quality measured?

Air quality in South Saint Paul is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for South Saint Paul, United States

Name: South Saint Paul Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near South Saint Paul, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

447h

PM2.5 Station

447h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	54	47–60	14.0 µg/m³	3h	12
2026-07-21	58	30–71	16.1 µg/m³	24h	16
2026-07-20	72	28–112	22.9 µg/m³	24h	15
2026-07-19	91	36–137	30.7 µg/m³	24h	16
2026-07-18	60	25–81	16.6 µg/m³	24h	16
2026-07-17	74	49–121	22.8 µg/m³	24h	17
2026-07-16	260	148–347	207.4 µg/m³	24h	16
2026-07-15	58	26–152	16.7 µg/m³	23h	6
2026-07-14	43	30–55	10.4 µg/m³	24h	2
2026-07-13	40	21–71	9.9 µg/m³	22h	2
2026-07-12	42	27–70	10.2 µg/m³	22h	2
2026-07-11	40	15–57	9.7 µg/m³	23h	2
2026-07-10	36	23–54	8.7 µg/m³	23h	2
2026-07-09	33	21–43	7.9 µg/m³	23h	2
2026-07-08	36	20–51	8.7 µg/m³	24h	2
2026-07-07	39	25–65	9.5 µg/m³	23h	2
2026-07-06	43	20–60	10.7 µg/m³	12h	2
2026-07-05	49	17–102	12.8 µg/m³	24h	2
2026-07-04	46	26–69	11.7 µg/m³	24h	2
2026-07-03	47	15–63	11.7 µg/m³	24h	2
2026-07-02	50	22–63	13.0 µg/m³	9h	2

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