What is the air quality in Old Jamestown today?

The current Air Quality Index (AQI) in Old Jamestown is 56 (Moderate). PM2.5 concentration is 14.6 µg/m³.

What is the temperature in Old Jamestown right now?

The current temperature in Old Jamestown is 15.5°C (feels like 15.5°C). Humidity is 89.8% and wind speed is 50.7 km/h.

Air Quality in Old Jamestown, United States

Rain

15.5°C · 89.8% humidity

15.5°

Feels 15.5°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

45h · 5 stn

View full history →

Old Jamestown's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

89.8%

Humidity

50.7 km/h

Wind SSW

1017.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

14.6 µg/m³

PM10

54.9 µg/m³

050100150200300500

What is the weather forecast for Old Jamestown?

Temperature & Precipitation

PM2.5 Trend

45h · 5 stations

PM2.514.6 µg/m³ ✓ WHO

Moderate

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

14.6

Median

14.5

Average

12.6

Low

16.4

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +4.6

What is the 7-day forecast for Old Jamestown?

10-22

21.5° 9.1°

2.63 mm

10-23

12.3° 7.5°

10.19 mm

10-24

25.9° 10.4°

10-25

16.5° 2.3°

10-26

24.9° 5.4°

0.19 mm

10-27

15.0° 0.8°

10-28

15.5° 9.1°

Both models agree Avg diff: 4.6°C

Where are air quality stations near Old Jamestown?

Branch Street, Missouri, USA

21.5 km PM2.5: 25.4 µg/m³

Branch Street, Missouri, USA

21.5 km PM2.5: 16.9 µg/m³

Forest Park, Missouri, USA

22.7 km PM2.5: 12.1 µg/m³

East St. Louis, Illinois, USA

27.1 km PM2.5: 14.5 µg/m³

What cities are near Old Jamestown?

54 Florissant 54 Spanish Lake 54 Ferguson 55 Hazelwood 40 Alton 54 Upper Alton 27 Godfrey 53 Overland 52 Saint Charles 55 Maryland Heights

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-22T04:58 UTC.