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Air quality in Guelph

Air quality index (AQI⁺) and PM2.5 air pollution in Guelph • 15.1K Followers • 14:00, Sep 23 Local time

US AQI⁺

Good

Main pollutant:

O₃

38 µg/m³

18°

25 km/h

57 %

Hourly forecast

Guelph air quality index (AQI⁺) forecast

Now

18°

km/h

57%

15:00

19°

km/h

56%

16:00

16°

km/h

82%

17:00

16°

km/h

65%

18:00

16°

km/h

58%

19:00

13°

km/h

66%

20:00

11°

km/h

78%

21:00

11°

km/h

84%

22:00

10°

km/h

87%

23:00

10°

km/h

88%

Thu

00:00

10°

km/h

89%

01:00

12°

km/h

83%

02:00

12°

km/h

86%

03:00

12°

km/h

93%

04:00

10°

km/h

100%

05:00

10°

km/h

99%

06:00

9°

km/h

100%

07:00

8°

km/h

98%

08:00

8°

km/h

98%

09:00

11°

km/h

86%

10:00

13°

km/h

72%

11:00

15°

km/h

61%

12:00

16°

km/h

56%

13:00

17°

km/h

47%

14:00

17°

km/h

41%

15:00

17°

km/h

39%

16:00

17°

km/h

40%

17:00

17°

km/h

45%

18:00

16°

km/h

53%

19:00

14°

km/h

65%

20:00

12°

km/h

76%

21:00

9°

km/h

68%

22:00

9°

km/h

69%

23:00

9°

km/h

68%

Fri

00:00

9°

km/h

71%

01:00

9°

km/h

76%

02:00

8°

km/h

80%

03:00

8°

km/h

81%

04:00

8°

km/h

83%

05:00

7°

km/h

84%

06:00

8°

km/h

80%

07:00

8°

km/h

81%

08:00

9°

km/h

75%

09:00

12°

km/h

60%

10:00

15°

km/h

49%

11:00

18°

km/h

41%

12:00

19°

km/h

34%

13:00

20°

km/h

31%

14:00

21°

km/h

29%

15:00

21°

km/h

30%

16:00

21°

km/h

31%

17:00

20°

km/h

32%

18:00

19°

km/h

38%

19:00

15°

km/h

50%

20:00

13°

km/h

56%

21:00

12°

km/h

58%

22:00

11°

km/h

61%

23:00

11°

km/h

60%

Sat

00:00

11°

km/h

61%

01:00

11°

km/h

65%

02:00

10°

km/h

72%

03:00

10°

km/h

74%

04:00

10°

km/h

75%

05:00

10°

km/h

71%

06:00

10°

km/h

69%

07:00

10°

km/h

66%

08:00

11°

km/h

60%

09:00

14°

km/h

50%

10:00

17°

km/h

42%

11:00

19°

km/h

37%

12:00

20°

km/h

33%

13:00

21°

km/h

29%

Daily forecast

Guelph air quality index (AQI⁺) forecast

Today

17°

9°

km/h

78%

Thu

17°

8°

km/h

65%

Fri

21°

8°

km/h

49%

Air pollutants

What is the current air quality in Guelph?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Real-time Guelph air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in Guelph

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in Guelph today?

Index

None

Tree

None

Grass

None

Weed

None

Source:

wetter.com

Pollen forecast in Guelph

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Guelph air pollution map

Pollen

What is the pollen count in Guelph today?

Index

None

Tree

None

Grass

None

Weed

None

Source:

wetter.com

Pollen forecast in Guelph

Protect yourself from air pollution in Guelph

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near Guelph

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Guelph

#	Stations	AQI⁺ US
1	Guelph Old City	28
2	Ontario Ministry of the Environment Guelph	17
3	12398-12374 Fifth Line	14

City ranking

Real-time Canada AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Merritt, British Columbia	98
2	Sidney, British Columbia	86
3	North Saanich, British Columbia	84
4	Ladysmith, British Columbia	76
5	Gabriola, British Columbia	73
6	Nanaimo, British Columbia	69
7	Saguenay, Quebec	66
8	Brampton, Ontario	64
9	Kamloops, British Columbia	64
10	Princeton, British Columbia	64

History

Historic air quality graph for Guelph

14 AQI⁺ US

Good

13:00–14:00 Sep 23 Local time

AQI⁺ US

History

Historic air quality graph for Guelph

14 AQI⁺ US

Good

13:00–14:00 Sep 23 Local time

AQI⁺ US

Most polluted locations near Guelph

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Guelph

#	Stations	AQI⁺ US
1	Guelph Old City	28
2	Ontario Ministry of the Environment Guelph	17
3	12398-12374 Fifth Line	14

City ranking

Real-time Canada AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Merritt, British Columbia	98
2	Sidney, British Columbia	86
3	North Saanich, British Columbia	84
4	Ladysmith, British Columbia	76
5	Gabriola, British Columbia	73
6	Nanaimo, British Columbia	69
7	Saguenay, Quebec	66
8	Brampton, Ontario	64
9	Kamloops, British Columbia	64
10	Princeton, British Columbia	64