What is the air quality in Saint Peters today?

The current Air Quality Index (AQI) in Saint Peters is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Saint Peters right now?

The current temperature in Saint Peters is 17.6°C (feels like 17.6°C). Humidity is 57.1% and wind speed is 68.9 km/h.

Is it safe to go outside in Saint Peters?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Saint Peters, United States

Windy

17.6°C · 57.1% humidity

17.6°

Feels 17.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

37 8pm

37 11pm

75 2am

75 5am

50 8am

50 11am

25 2pm

25 5pm

57.1%

Humidity

68.9 km/h

Wind S

1018.1 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Saint Peters?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Saint Peters?

04-09

20.5° 8.3°

04-10

22.1° 11.9°

04-11

17.2° 14.1°

27.81 mm

04-12

25.3° 16.2°

0.06 mm

04-13

27.0° 18.3°

0.25 mm

04-14

25.1° 20.1°

0.88 mm

04-15

15.9° 7.3°

1.88 mm

Both models agree Avg diff: 5.3°C

Where are air quality stations near Saint Peters?

Ladue, Missouri, USA

29.2 km

What cities are near Saint Peters?

25 O'Fallon 25 Saint Charles 25 Chesterfield 25 Maryland Heights 25 Wentzville 25 Hazelwood 25 Creve Coeur 25 Ballwin 25 Wildwood 25 Manchester

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:17 UTC.