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Quincy (Illinois) (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

Cloudy
-5°C
Cloudy
Humidity
82.6%
Wind
2 m/s
Pressure
1026.1 hPa
Direction
250°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-13° / -5°
Precip.
0mm
Max wind
3.2 m/s

Hourly Forecast

29.01
Now
Weather
-5°
29.01
01:00
Weather
-7°
29.01
02:00
Weather
-9°
29.01
03:00
Weather
-10°
29.01
04:00
Weather
-11°
29.01
05:00
Weather
-11°
29.01
06:00
Weather
-11°
29.01
07:00
Weather
-12°
29.01
08:00
Weather
-12°
29.01
09:00
Weather
-12°
29.01
10:00
Weather
-12°
29.01
11:00
Weather
-13°
29.01
12:00
Weather
-13°
29.01
13:00
Weather
-13°
29.01
14:00
Weather
-13°
29.01
15:00
Weather
-13°
29.01
16:00
Weather
-12°
29.01
17:00
Weather
-11°
29.01
18:00
Weather
-11°
29.01
19:00
Weather
-10°
29.01
20:00
Weather
-10°
29.01
21:00
Weather
-10°
29.01
22:00
Weather
-10°
29.01
23:00
Weather
-10°

Temperature

-5°C
-13°C
00:00
-5°C
01:00
-7°C
02:00
-9°C
03:00
-10°C
04:00
-11°C
05:00
-11°C
06:00
-11°C
07:00
-12°C
08:00
-12°C
09:00
-12°C
10:00
-12°C
11:00
-13°C
12:00
-13°C
13:00
-13°C
14:00
-13°C
15:00
-13°C
16:00
-12°C
17:00
-11°C
18:00
-11°C
19:00
-10°C
20:00
-10°C
21:00
-10°C
22:00
-10°C
23:00
-10°C
00:00 11:00 23:00

Precipitation

0mm
0mm
00:00 11:00 23:00

Wind

3.2m/s
0m/s
00:00
2 m/s
01:00
2 m/s
02:00
1.9 m/s
03:00
2.1 m/s
04:00
3.2 m/s
05:00
3.2 m/s
06:00
2.7 m/s
07:00
3.2 m/s
08:00
3.1 m/s
09:00
3.1 m/s
10:00
2.6 m/s
11:00
2.1 m/s
12:00
2.4 m/s
13:00
2.8 m/s
14:00
2.8 m/s
15:00
2.8 m/s
16:00
2.4 m/s
17:00
1.9 m/s
18:00
1.8 m/s
19:00
1.9 m/s
20:00
1.7 m/s
21:00
1.7 m/s
22:00
1.7 m/s
23:00
1.2 m/s
00:00 11:00 23:00

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
51.6 km
72
24%

Measurement time: 2026-01-28 23:32

Calculated from PM2.5/PM10

O3
51.6 km
86.18 µg/m3
53.9%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

PM2.5
51.6 km
22.22 µg/m3
26.5%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

PM10
51.6 km
23.1 µg/m3
16.5%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

NO2
51.6 km
12.11 µg/m3
6.1%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

CO
51.6 km
0.24858 mg/m3
1.8%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

SO2
51.6 km
4.73 µg/m3
1.4%

Measurement time: 2026-01-28 23:32

source: OpenWeatherMap

Info


Region: Illinois
Latitude: 39.9356
Longitude: -91.40987


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About Air Quality in Quincy

Air quality in Quincy 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 Quincy

  • 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 Quincy?

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 Quincy

If you're planning outdoor activities in Quincy, 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.