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Phra Nakhon Si Ayutthaya (Phra Nakhon Si Ayutthaya) (TH)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Fair
19°C
Fair
Humidity
66.7%
Wind
4 m/s
Pressure
1015.9 hPa
Direction
22°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
18° / 30°
Precip.
0mm
Max wind
5 m/s

Hourly Forecast

11.01
Now
Weather
19°
11.01
23:00
Weather
19°
12.01
00:00
Weather
19°
12.01
01:00
Weather
20°
12.01
02:00
Weather
23°
12.01
03:00
Weather
26°
12.01
04:00
Weather
28°
12.01
05:00
Weather
29°
12.01
06:00
Weather
29°
12.01
07:00
Weather
30°
12.01
08:00
Weather
30°
12.01
09:00
Weather
30°
12.01
10:00
Weather
29°
12.01
11:00
Weather
27°
12.01
12:00
Weather
25°
12.01
13:00
Weather
24°
12.01
14:00
Weather
23°
12.01
15:00
Weather
22°
12.01
16:00
Weather
21°
12.01
17:00
Weather
20°
12.01
18:00
Weather
20°
12.01
19:00
Weather
19°
12.01
20:00
Weather
19°
12.01
21:00
Weather
18°

Temperature

30°C
18°C
22:00
19°C
23:00
19°C
00:00
19°C
01:00
20°C
02:00
23°C
03:00
26°C
04:00
28°C
05:00
29°C
06:00
29°C
07:00
30°C
08:00
30°C
09:00
30°C
10:00
29°C
11:00
27°C
12:00
25°C
13:00
24°C
14:00
23°C
15:00
22°C
16:00
21°C
17:00
20°C
18:00
20°C
19:00
19°C
20:00
19°C
21:00
18°C
22:00 09:00 21:00

Precipitation

0mm
0mm
22:00 09:00 21:00

Wind

5m/s
0m/s
22:00
4.2 m/s
23:00
4.6 m/s
00:00
5 m/s
01:00
4.7 m/s
02:00
4.8 m/s
03:00
4.7 m/s
04:00
4.3 m/s
05:00
3.1 m/s
06:00
2.4 m/s
07:00
2.3 m/s
08:00
2.5 m/s
09:00
2.8 m/s
10:00
2.9 m/s
11:00
2.8 m/s
12:00
3.5 m/s
13:00
2.8 m/s
14:00
2.4 m/s
15:00
2.5 m/s
16:00
2.1 m/s
17:00
2.2 m/s
18:00
2.2 m/s
19:00
2.2 m/s
20:00
2.1 m/s
21:00
2.3 m/s
22:00 09:00 21:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
66.7 km
183
61%

Calculated from PM2.5/PM10

PM2.5
66.7 km
119 µg/m3
141.7%

source: Aqicn

PM10
66.7 km
55 µg/m3
39.3%

source: Aqicn

NO2
61 km
26.5 µg/m3
13.3%

source: Aqicn

O3
66.7 km
3.6 µg/m3
2.3%

source: Aqicn

SO2
61 km
0.6 µg/m3
0.2%

source: Aqicn

CO
61 km
0.0001 mg/m3
0%

source: Aqicn

Info


Country: Thailand
Latitude: 14.35167
Longitude: 100.57739

Cities in the area:

About Air Quality in Phra Nakhon Si Ayutthaya

Air quality in Phra Nakhon Si Ayutthaya is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Phra Nakhon Si Ayutthaya

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Phra Nakhon Si Ayutthaya?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Phra Nakhon Si Ayutthaya

If you're planning outdoor activities in Phra Nakhon Si Ayutthaya, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.