What is the air quality in Seymour today?

The current Air Quality Index (AQI) in Seymour is 21 (Good). PM2.5 concentration is 5.0 µg/m³.

What is the temperature in Seymour right now?

The current temperature in Seymour is 5.4°C (feels like 1.9°C). Humidity is 64.5% and wind speed is 17.3 km/h.

Is it safe to go outside in Seymour?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Seymour, United States

Partly Cloudy

5.4°C · 64.5% humidity

5.4°

Feels 1.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 3 stn

View full history →

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

64.5%

Humidity

17.3 km/h

Wind WNW

1023.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Seymour?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations

PM2.55.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

5.0

Median

5.0

Average

5.0

Low

5.0

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +1.0

What is the 7-day forecast for Seymour?

10-21

20.2° 5.4°

10-22

17.5° 6.8°

7.69 mm

10-23

15.6° 4.5°

10-24

11.2° 7.6°

10-25

18.6° 8.5°

50.19 mm

10-26

11.0° 5.0°

10-27

11.8° 2.9°

6.19 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Seymour?

Waterbury, Connecticut, USA

17.3 km PM2.5: 5.0 µg/m³

What cities are near Seymour?

17 Ansonia 15 Shelton 21 Naugatuck 14 Southbury 21 Hamden 29 New Haven 15 West Haven 21 Waterbury 21 North Haven 21 Cheshire

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T04:23 UTC.