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CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Guelph
Wellington County
2025-03-28 12:00
CAQI (Europe)
Low
27
Pollutants
O3
μg/m³
64.3
NO2
μg/m³
12.6
PM2.5
μg/m³
3
Weather
℃
℃
℉
4℃
65%
15 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
O3
NO2
PM2.5
Places included
Guelph
AQI 27
Data Sources
http://www.airqualityontario.com/
http://www.airnow.gov/
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AQI
AQI
O3
PM10
PM2.5
NO2
Pollen
CO
SO2
20
32
27
40
28
29
32
35
28
35
31
37
26
35
5
7
31
23
18
39
28
25
13
21
26
41
39
27
27
25
24
27
29
18
38
22
21
28
39
7
21
36
38
30
1
23
27
17
18
24
12
38
35
27
23
--
9
57
19
34
17
33
18
25
41
28
38
34
13
35
27
25
--
33
34
20
11
31
20
10
28
33
17
38
22
26
20
14
41
12
31
21
21
--
28
36
31
12
7
25
7
30
22
20
36
37
21
8
36
3
27
+
−
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