The Toronto West AQHI station will experience a temporary interruption in public data reporting from Friday, April 10 to Sunday, April 12 due to scheduled maintenance activities. Air quality information from other Toronto monitoring stations will remain available.

Chatham: AQHI for 2020

Air Quality Health Index categories, values and associated colours
Air Quality Health Index categories and values
1	2	3	4	5	6	7	8	9	10	+
Low risk (1 - 3)			Moderate risk (4 - 6)			High risk (7 - 10)				Very high risk

Air Quality Health Index values (daily at 4:00 PM).
Date	Time	AQHI	Category
2020-01-01	4:00 pm EST	2	low risk
2020-01-02	4:00 pm EST	2	low risk
2020-01-03	4:00 pm EST	2	low risk
2020-01-04	4:00 pm EST	2	low risk
2020-01-05	4:00 pm EST	2	low risk
2020-01-06	4:00 pm EST	2	low risk
2020-01-07	4:00 pm EST	2	low risk
2020-01-08	4:00 pm EST	2	low risk
2020-01-09	4:00 pm EST	2	low risk
2020-01-10	4:00 pm EST	2	low risk
2020-01-11	4:00 pm EST	N/A
2020-01-12	4:00 pm EST	2	low risk
2020-01-13	4:00 pm EST	2	low risk
2020-01-14	4:00 pm EST	2	low risk
2020-01-15	4:00 pm EST	2	low risk
2020-01-16	4:00 pm EST	2	low risk
2020-01-17	4:00 pm EST	2	low risk
2020-01-18	4:00 pm EST	2	low risk
2020-01-19	4:00 pm EST	2	low risk
2020-01-20	4:00 pm EST	3	low risk
2020-01-21	4:00 pm EST	3	low risk
2020-01-22	4:00 pm EST	3	low risk
2020-01-23	4:00 pm EST	3	low risk
2020-01-24	4:00 pm EST	2	low risk
2020-01-25	4:00 pm EST	1	low risk
2020-01-26	4:00 pm EST	2	low risk
2020-01-27	4:00 pm EST	2	low risk
2020-01-28	4:00 pm EST	2	low risk
2020-01-29	4:00 pm EST	2	low risk
2020-01-30	4:00 pm EST	2	low risk
2020-01-31	4:00 pm EST	2	low risk
2020-02-01	4:00 pm EST	2	low risk
2020-02-02	4:00 pm EST	2	low risk
2020-02-03	4:00 pm EST	3	low risk
2020-02-04	4:00 pm EST	2	low risk
2020-02-05	4:00 pm EST	2	low risk
2020-02-06	4:00 pm EST	2	low risk
2020-02-07	4:00 pm EST	2	low risk
2020-02-08	4:00 pm EST	2	low risk
2020-02-09	4:00 pm EST	3	low risk
2020-02-10	4:00 pm EST	2	low risk
2020-02-11	4:00 pm EST	3	low risk
2020-02-12	4:00 pm EST	3	low risk
2020-02-13	4:00 pm EST	2	low risk
2020-02-14	4:00 pm EST	2	low risk
2020-02-15	4:00 pm EST	3	low risk
2020-02-16	4:00 pm EST	3	low risk
2020-02-17	4:00 pm EST	2	low risk
2020-02-18	4:00 pm EST	2	low risk
2020-02-19	4:00 pm EST	2	low risk
2020-02-20	4:00 pm EST	3	low risk
2020-02-21	4:00 pm EST	2	low risk
2020-02-22	4:00 pm EST	2	low risk
2020-02-23	4:00 pm EST	3	low risk
2020-02-24	4:00 pm EST	3	low risk
2020-02-25	4:00 pm EST	2	low risk
2020-02-26	4:00 pm EST	2	low risk
2020-02-27	4:00 pm EST	2	low risk
2020-02-28	4:00 pm EST	3	low risk
2020-02-29	4:00 pm EST	2	low risk
2020-03-01	4:00 pm EST	3	low risk
2020-03-02	4:00 pm EST	3	low risk
2020-03-03	4:00 pm EST	3	low risk
2020-03-04	4:00 pm EST	2	low risk
2020-03-05	4:00 pm EST	3	low risk
2020-03-06	4:00 pm EST	2	low risk
2020-03-07	4:00 pm EST	3	low risk
2020-03-08	4:00 pm EDT	3	low risk
2020-03-09	4:00 pm EDT	3	low risk
2020-03-10	4:00 pm EDT	2	low risk
2020-03-11	4:00 pm EDT	2	low risk
2020-03-12	4:00 pm EDT	2	low risk
2020-03-13	4:00 pm EDT	2	low risk
2020-03-14	4:00 pm EDT	2	low risk
2020-03-15	4:00 pm EDT	2	low risk
2020-03-16	4:00 pm EDT	2	low risk
2020-03-17	4:00 pm EDT	2	low risk
2020-03-18	4:00 pm EDT	2	low risk
2020-03-19	4:00 pm EDT	2	low risk
2020-03-20	4:00 pm EDT	2	low risk
2020-03-21	4:00 pm EDT	2	low risk
2020-03-22	4:00 pm EDT	2	low risk
2020-03-23	4:00 pm EDT	2	low risk
2020-03-24	4:00 pm EDT	3	low risk
2020-03-25	4:00 pm EDT	3	low risk
2020-03-26	4:00 pm EDT	3	low risk
2020-03-27	4:00 pm EDT	2	low risk
2020-03-28	4:00 pm EDT	2	low risk
2020-03-29	4:00 pm EDT	2	low risk
2020-03-30	4:00 pm EDT	2	low risk
2020-03-31	4:00 pm EDT	2	low risk
2020-04-01	4:00 pm EDT	2	low risk
2020-04-02	4:00 pm EDT	3	low risk
2020-04-03	4:00 pm EDT	2	low risk
2020-04-04	4:00 pm EDT	2	low risk
2020-04-05	4:00 pm EDT	2	low risk
2020-04-06	4:00 pm EDT	2	low risk
2020-04-07	4:00 pm EDT	3	low risk
2020-04-08	4:00 pm EDT	3	low risk
2020-04-09	4:00 pm EDT	3	low risk
2020-04-10	4:00 pm EDT	2	low risk
2020-04-11	4:00 pm EDT	3	low risk
2020-04-12	4:00 pm EDT	3	low risk
2020-04-13	4:00 pm EDT	2	low risk
2020-04-14	4:00 pm EDT	2	low risk
2020-04-15	4:00 pm EDT	3	low risk
2020-04-16	4:00 pm EDT	3	low risk
2020-04-17	4:00 pm EDT	3	low risk
2020-04-18	4:00 pm EDT	3	low risk
2020-04-19	4:00 pm EDT	3	low risk
2020-04-20	4:00 pm EDT	2	low risk
2020-04-21	4:00 pm EDT	2	low risk
2020-04-22	4:00 pm EDT	3	low risk
2020-04-23	4:00 pm EDT	2	low risk
2020-04-24	4:00 pm EDT	3	low risk
2020-04-25	4:00 pm EDT	3	low risk
2020-04-26	4:00 pm EDT	3	low risk
2020-04-27	4:00 pm EDT	3	low risk
2020-04-28	4:00 pm EDT	3	low risk
2020-04-29	4:00 pm EDT	3	low risk
2020-04-30	4:00 pm EDT	2	low risk
2020-05-01	4:00 pm EDT	2	low risk
2020-05-02	4:00 pm EDT	3	low risk
2020-05-03	4:00 pm EDT	3	low risk
2020-05-04	4:00 pm EDT	2	low risk
2020-05-05	4:00 pm EDT	2	low risk
2020-05-06	4:00 pm EDT	2	low risk
2020-05-07	4:00 pm EDT	3	low risk
2020-05-08	4:00 pm EDT	2	low risk
2020-05-09	4:00 pm EDT	2	low risk
2020-05-10	4:00 pm EDT	3	low risk
2020-05-11	4:00 pm EDT	1	low risk
2020-05-12	4:00 pm EDT	3	low risk
2020-05-13	4:00 pm EDT	2	low risk
2020-05-14	4:00 pm EDT	2	low risk
2020-05-15	4:00 pm EDT	3	low risk
2020-05-16	4:00 pm EDT	3	low risk
2020-05-17	4:00 pm EDT	2	low risk
2020-05-18	4:00 pm EDT	2	low risk
2020-05-19	4:00 pm EDT	3	low risk
2020-05-20	4:00 pm EDT	3	low risk
2020-05-21	4:00 pm EDT	3	low risk
2020-05-22	4:00 pm EDT	3	low risk
2020-05-23	4:00 pm EDT	2	low risk
2020-05-24	4:00 pm EDT	3	low risk
2020-05-25	4:00 pm EDT	3	low risk
2020-05-26	4:00 pm EDT	3	low risk
2020-05-27	4:00 pm EDT	4	moderate risk
2020-05-28	4:00 pm EDT	2	low risk
2020-05-29	4:00 pm EDT	2	low risk
2020-05-30	4:00 pm EDT	2	low risk
2020-05-31	4:00 pm EDT	2	low risk
2020-06-01	4:00 pm EDT	3	low risk
2020-06-02	4:00 pm EDT	4	moderate risk
2020-06-03	4:00 pm EDT	3	low risk
2020-06-04	4:00 pm EDT	N/A
2020-06-05	4:00 pm EDT	4	moderate risk
2020-06-06	4:00 pm EDT	3	low risk
2020-06-07	4:00 pm EDT	2	low risk
2020-06-08	4:00 pm EDT	3	low risk
2020-06-09	4:00 pm EDT	4	moderate risk
2020-06-10	4:00 pm EDT	4	moderate risk
2020-06-11	4:00 pm EDT	2	low risk
2020-06-12	4:00 pm EDT	2	low risk
2020-06-13	4:00 pm EDT	2	low risk
2020-06-14	4:00 pm EDT	2	low risk
2020-06-15	4:00 pm EDT	3	low risk
2020-06-16	4:00 pm EDT	3	low risk
2020-06-17	4:00 pm EDT	4	moderate risk
2020-06-18	4:00 pm EDT	3	low risk
2020-06-19	4:00 pm EDT	3	low risk
2020-06-20	4:00 pm EDT	4	moderate risk
2020-06-21	4:00 pm EDT	4	moderate risk
2020-06-22	4:00 pm EDT	3	low risk
2020-06-23	4:00 pm EDT	3	low risk
2020-06-24	4:00 pm EDT	2	low risk
2020-06-25	4:00 pm EDT	3	low risk
2020-06-26	4:00 pm EDT	3	low risk
2020-06-27	4:00 pm EDT	3	low risk
2020-06-28	4:00 pm EDT	3	low risk
2020-06-29	4:00 pm EDT	3	low risk
2020-06-30	4:00 pm EDT	3	low risk
2020-07-01	4:00 pm EDT	3	low risk
2020-07-02	4:00 pm EDT	3	low risk
2020-07-03	4:00 pm EDT	3	low risk
2020-07-04	4:00 pm EDT	2	low risk
2020-07-05	4:00 pm EDT	3	low risk
2020-07-06	4:00 pm EDT	4	moderate risk
2020-07-07	4:00 pm EDT	4	moderate risk
2020-07-08	4:00 pm EDT	5	moderate risk
2020-07-09	4:00 pm EDT	4	moderate risk
2020-07-10	4:00 pm EDT	3	low risk
2020-07-11	4:00 pm EDT	2	low risk
2020-07-12	4:00 pm EDT	2	low risk
2020-07-13	4:00 pm EDT	2	low risk
2020-07-14	4:00 pm EDT	3	low risk
2020-07-15	4:00 pm EDT	3	low risk
2020-07-16	4:00 pm EDT	3	low risk
2020-07-17	4:00 pm EDT	3	low risk
2020-07-18	4:00 pm EDT	4	moderate risk
2020-07-19	4:00 pm EDT	2	low risk
2020-07-20	4:00 pm EDT	3	low risk
2020-07-21	4:00 pm EDT	2	low risk
2020-07-22	4:00 pm EDT	3	low risk
2020-07-23	4:00 pm EDT	2	low risk
2020-07-24	4:00 pm EDT	2	low risk
2020-07-25	4:00 pm EDT	3	low risk
2020-07-26	4:00 pm EDT	3	low risk
2020-07-27	4:00 pm EDT	3	low risk
2020-07-28	4:00 pm EDT	2	low risk
2020-07-29	4:00 pm EDT	3	low risk
2020-07-30	4:00 pm EDT	2	low risk
2020-07-31	4:00 pm EDT	2	low risk
2020-08-01	4:00 pm EDT	2	low risk
2020-08-02	4:00 pm EDT	2	low risk
2020-08-03	4:00 pm EDT	3	low risk
2020-08-04	4:00 pm EDT	1	low risk
2020-08-05	4:00 pm EDT	2	low risk
2020-08-06	4:00 pm EDT	2	low risk
2020-08-07	4:00 pm EDT	2	low risk
2020-08-08	4:00 pm EDT	3	low risk
2020-08-09	4:00 pm EDT	4	moderate risk
2020-08-10	4:00 pm EDT	4	moderate risk
2020-08-11	4:00 pm EDT	3	low risk
2020-08-12	4:00 pm EDT	2	low risk
2020-08-13	4:00 pm EDT	3	low risk
2020-08-14	4:00 pm EDT	3	low risk
2020-08-15	4:00 pm EDT	4	moderate risk
2020-08-16	4:00 pm EDT	2	low risk
2020-08-17	4:00 pm EDT	3	low risk
2020-08-18	4:00 pm EDT	1	low risk
2020-08-19	4:00 pm EDT	1	low risk
2020-08-20	4:00 pm EDT	2	low risk
2020-08-21	4:00 pm EDT	4	moderate risk
2020-08-22	4:00 pm EDT	3	low risk
2020-08-23	4:00 pm EDT	3	low risk
2020-08-24	4:00 pm EDT	3	low risk
2020-08-25	4:00 pm EDT	2	low risk
2020-08-26	4:00 pm EDT	3	low risk
2020-08-27	4:00 pm EDT	4	moderate risk
2020-08-28	4:00 pm EDT	2	low risk
2020-08-29	4:00 pm EDT	2	low risk
2020-08-30	4:00 pm EDT	2	low risk
2020-08-31	4:00 pm EDT	2	low risk
2020-09-01	4:00 pm EDT	3	low risk
2020-09-02	4:00 pm EDT	2	low risk
2020-09-03	4:00 pm EDT	3	low risk
2020-09-04	4:00 pm EDT	N/A
2020-09-05	4:00 pm EDT	2	low risk
2020-09-06	4:00 pm EDT	2	low risk
2020-09-07	4:00 pm EDT	3	low risk
2020-09-08	4:00 pm EDT	1	low risk
2020-09-09	4:00 pm EDT	2	low risk
2020-09-10	4:00 pm EDT	1	low risk
2020-09-11	4:00 pm EDT	2	low risk
2020-09-12	4:00 pm EDT	3	low risk
2020-09-13	4:00 pm EDT	2	low risk
2020-09-14	4:00 pm EDT	1	low risk
2020-09-15	4:00 pm EDT	2	low risk
2020-09-16	4:00 pm EDT	3	low risk
2020-09-17	4:00 pm EDT	1	low risk
2020-09-18	4:00 pm EDT	2	low risk
2020-09-19	4:00 pm EDT	2	low risk
2020-09-20	4:00 pm EDT	2	low risk
2020-09-21	4:00 pm EDT	2	low risk
2020-09-22	4:00 pm EDT	3	low risk
2020-09-23	4:00 pm EDT	4	moderate risk
2020-09-24	4:00 pm EDT	4	moderate risk
2020-09-25	4:00 pm EDT	4	moderate risk
2020-09-26	4:00 pm EDT	3	low risk
2020-09-27	4:00 pm EDT	3	low risk
2020-09-28	4:00 pm EDT	2	low risk
2020-09-29	4:00 pm EDT	2	low risk
2020-09-30	4:00 pm EDT	2	low risk
2020-10-01	4:00 pm EDT	2	low risk
2020-10-02	4:00 pm EDT	2	low risk
2020-10-03	4:00 pm EDT	2	low risk
2020-10-04	4:00 pm EDT	2	low risk
2020-10-05	4:00 pm EDT	2	low risk
2020-10-06	4:00 pm EDT	3	low risk
2020-10-07	4:00 pm EDT	2	low risk
2020-10-08	4:00 pm EDT	2	low risk
2020-10-09	4:00 pm EDT	3	low risk
2020-10-10	4:00 pm EDT	4	moderate risk
2020-10-11	4:00 pm EDT	1	low risk
2020-10-12	4:00 pm EDT	2	low risk
2020-10-13	4:00 pm EDT	2	low risk
2020-10-14	4:00 pm EDT	2	low risk
2020-10-15	4:00 pm EDT	2	low risk
2020-10-16	4:00 pm EDT	2	low risk
2020-10-17	4:00 pm EDT	2	low risk
2020-10-18	4:00 pm EDT	2	low risk
2020-10-19	4:00 pm EDT	2	low risk
2020-10-20	4:00 pm EDT	2	low risk
2020-10-21	4:00 pm EDT	2	low risk
2020-10-22	4:00 pm EDT	2	low risk
2020-10-23	4:00 pm EDT	3	low risk
2020-10-24	4:00 pm EDT	2	low risk
2020-10-25	4:00 pm EDT	2	low risk
2020-10-26	4:00 pm EDT	2	low risk
2020-10-27	4:00 pm EDT	2	low risk
2020-10-28	4:00 pm EDT	2	low risk
2020-10-29	4:00 pm EDT	2	low risk
2020-10-30	4:00 pm EDT	2	low risk
2020-10-31	4:00 pm EDT	2	low risk
2020-11-01	4:00 pm EST	1	low risk
2020-11-02	4:00 pm EST	2	low risk
2020-11-03	4:00 pm EST	3	low risk
2020-11-04	4:00 pm EST	3	low risk
2020-11-05	4:00 pm EST	3	low risk
2020-11-06	4:00 pm EST	4	moderate risk
2020-11-07	4:00 pm EST	4	moderate risk
2020-11-08	4:00 pm EST	3	low risk
2020-11-09	4:00 pm EST	3	low risk
2020-11-10	4:00 pm EST	3	low risk
2020-11-11	4:00 pm EST	2	low risk
2020-11-12	4:00 pm EST	2	low risk
2020-11-13	4:00 pm EST	2	low risk
2020-11-14	4:00 pm EST	2	low risk
2020-11-15	4:00 pm EST	2	low risk
2020-11-16	4:00 pm EST	2	low risk
2020-11-17	4:00 pm EST	2	low risk
2020-11-18	4:00 pm EST	2	low risk
2020-11-19	4:00 pm EST	2	low risk
2020-11-20	4:00 pm EST	3	low risk
2020-11-21	4:00 pm EST	2	low risk
2020-11-22	4:00 pm EST	2	low risk
2020-11-23	4:00 pm EST	2	low risk
2020-11-24	4:00 pm EST	2	low risk
2020-11-25	4:00 pm EST	2	low risk
2020-11-26	4:00 pm EST	1	low risk
2020-11-27	4:00 pm EST	2	low risk
2020-11-28	4:00 pm EST	2	low risk
2020-11-29	4:00 pm EST	2	low risk
2020-11-30	4:00 pm EST	1	low risk
2020-12-01	4:00 pm EST	2	low risk
2020-12-02	4:00 pm EST	2	low risk
2020-12-03	4:00 pm EST	2	low risk
2020-12-04	4:00 pm EST	2	low risk
2020-12-05	4:00 pm EST	2	low risk
2020-12-06	4:00 pm EST	2	low risk
2020-12-07	4:00 pm EST	2	low risk
2020-12-08	4:00 pm EST	2	low risk
2020-12-09	4:00 pm EST	2	low risk
2020-12-10	4:00 pm EST	3	low risk
2020-12-11	4:00 pm EST	3	low risk
2020-12-12	4:00 pm EST	2	low risk
2020-12-13	4:00 pm EST	2	low risk
2020-12-14	4:00 pm EST	2	low risk
2020-12-15	4:00 pm EST	2	low risk
2020-12-16	4:00 pm EST	2	low risk
2020-12-17	4:00 pm EST	2	low risk
2020-12-18	4:00 pm EST	3	low risk
2020-12-19	4:00 pm EST	2	low risk
2020-12-20	4:00 pm EST	2	low risk
2020-12-21	4:00 pm EST	2	low risk
2020-12-22	4:00 pm EST	2	low risk
2020-12-23	4:00 pm EST	2	low risk
2020-12-24	4:00 pm EST	2	low risk
2020-12-25	4:00 pm EST	2	low risk
2020-12-26	4:00 pm EST	2	low risk
2020-12-27	4:00 pm EST	2	low risk
2020-12-28	4:00 pm EST	2	low risk
2020-12-29	4:00 pm EST	2	low risk
2020-12-30	4:00 pm EST	2	low risk
2020-12-31	4:00 pm EST	2	low risk

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AQHI readings on this web page are based on automatically polled data and have not undergone final verification.

Notice

Chatham: AQHI for 2020