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Chesterton (Indiana) (US)

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

Clear sky
6°C
Clear sky
Humidity
62.4%
Wind
5 m/s
Pressure
1022 hPa
Direction
219°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
3° / 8°
Precip.
0.9mm
Max wind
10.5 m/s

Hourly Forecast

06.04
Now
Weather
5
06.04
04:00
Weather
6
06.04
05:00
Weather
0.5
6
06.04
06:00
Weather
7
06.04
07:00
Weather
7
06.04
08:00
Weather
9
06.04
09:00
Weather
7
06.04
10:00
Weather
7
06.04
11:00
Weather
7
06.04
12:00
Weather
7
06.04
13:00
Weather
7
06.04
14:00
Weather
7
06.04
15:00
Weather
6
06.04
16:00
Weather
6
06.04
17:00
Weather
0.2
6
06.04
18:00
Weather
6
06.04
19:00
Weather
0.2
7
06.04
20:00
Weather
7
06.04
21:00
Weather
7
06.04
22:00
Weather
6
06.04
23:00
Weather
8
07.04
00:00
Weather
10
07.04
01:00
Weather
10
07.04
02:00
Weather
11

Temperature

8°C
3°C
03:00
6°C
04:00
6°C
05:00
6°C
06:00
6°C
07:00
6°C
08:00
7°C
09:00
6°C
10:00
6°C
11:00
5°C
12:00
5°C
13:00
5°C
14:00
5°C
15:00
6°C
16:00
7°C
17:00
7°C
18:00
8°C
19:00
8°C
20:00
8°C
21:00
7°C
22:00
7°C
23:00
5°C
00:00
4°C
01:00
3°C
02:00
3°C
03:00 14:00 02:00

Precipitation

0.5mm
0mm
05:00
0.5mm
17:00
0.2mm
19:00
0.2mm
03:00 14:00 02:00

Wind

10.5m/s
0m/s
03:00
5.3 m/s
04:00
6.1 m/s
05:00
6.1 m/s
06:00
6.6 m/s
07:00
7.4 m/s
08:00
8.6 m/s
09:00
7.4 m/s
10:00
7 m/s
11:00
6.8 m/s
12:00
6.9 m/s
13:00
7 m/s
14:00
6.8 m/s
15:00
6.4 m/s
16:00
5.8 m/s
17:00
5.8 m/s
18:00
6.4 m/s
19:00
6.7 m/s
20:00
6.6 m/s
21:00
7.4 m/s
22:00
6.4 m/s
23:00
8.2 m/s
00:00
9.7 m/s
01:00
9.5 m/s
02:00
10.5 m/s
03:00 14:00 02:00

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
64.3 km
65
21.7%

Measurement time: 2026-04-06 05:00

Calculated from PM2.5/PM10

O3
96.8 km
103.09 µg/m3
64.4%

Measurement time: 2026-04-06 04:19

source: OpenWeatherMap

PM2.5
64.3 km
19 µg/m3
22.6%

Measurement time: 2026-04-06 05:00

source: Aqicn

NO2
96.8 km
3.66 µg/m3
1.8%

Measurement time: 2026-04-06 04:19

source: OpenWeatherMap

PM10
96.8 km
2.01 µg/m3
1.4%

Measurement time: 2026-04-06 04:19

source: OpenWeatherMap

CO
96.8 km
0.15212 mg/m3
1.1%

Measurement time: 2026-04-06 04:19

source: OpenWeatherMap

SO2
96.8 km
1 µg/m3
0.3%

Measurement time: 2026-04-06 04:19

source: OpenWeatherMap

Info


Region: Indiana
Latitude: 41.61059
Longitude: -87.0642

Cities in the area:


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About Air Quality in Chesterton

Air quality in Chesterton 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 Chesterton

  • 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 Chesterton?

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 Chesterton

If you're planning outdoor activities in Chesterton, 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.