What is the air quality in Seaside today?

The current Air Quality Index (AQI) in Seaside is 18 (Good). PM2.5 concentration is 4.23 µg/m³.

What is the temperature in Seaside right now?

The current temperature in Seaside is 15.5°C (feels like 15.5°C). Humidity is 88.5% and wind speed is 118.9 km/h.

Is it safe to go outside in Seaside?

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

Air Quality in Seaside, United States

Windy

15.5°C · 88.5% humidity

15.5°

Feels 15.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

22 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 42 stn

View full history →

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

88.5%

Humidity

118.9 km/h

Wind WNW

1014.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.23 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Seaside?

Temperature & Precipitation

PM2.5 Trend

45h · 42 stations

PM2.54.23 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (22 stations within 25 km)

4.23

Median

4.61

Average

3.2

Low

9.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.6

What is the 7-day forecast for Seaside?

10-21

18.2° 14.4°

0.13 mm

10-22

18.6° 15.5°

10-23

18.2° 15.7°

10-24

16.8° 15.3°

10-25

20.1° 14.3°

3.88 mm

10-26

19.6° 15.9°

10-27

19.2° 16.0°

Both models agree Avg diff: 1.6°C

Where are air quality stations near Seaside?

Del Rey Woods Elementary

1.9 km PM2.5: 4.3 µg/m³

Seaside - Manzanita Elementary School

2.1 km PM2.5: 4.1 µg/m³

MPWMD ASR PS-2

3.2 km PM2.5: 4.6 µg/m³

Monterey - Monterey High School

4.7 km PM2.5: 4.1 µg/m³

Marshall Elementary

4.9 km PM2.5: 3.2 µg/m³

MBARD Office

6.0 km PM2.5: 4.2 µg/m³

Pacific Grove Middle School

6.1 km PM2.5: 4.0 µg/m³

Marina High School

8.5 km PM2.5: 4.2 µg/m³

Carmel - Carmel River Elementary School

10.1 km PM2.5: 4.1 µg/m³

Monterey Co Regional Fire Station 7

11.0 km PM2.5: 4.2 µg/m³

What cities are near Seaside?

17 Monterey 17 Pacific Grove 18 Marina 20 Salinas 18 Prunedale 17 Watsonville 20 Live Oak 18 Santa Cruz 24 Hollister 21 Gilroy

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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 2026-10-21T00:31 UTC.