Accessible Table Data - Humidex Table for Temperature and Relative Humidity Readings
Office Accommodation
Acceptable temperature range: 17°C to 29°C.
Ideal temperature range: 20°C to 26°C.
Temp (°C) | Relative Humidity (%) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | |
17 |
|
|
|
|
|
|
|
|
|
| 19 | 19 | 20 | 20 | 21 | 21 | 21 |
18 |
|
|
|
|
|
|
|
|
| 20 | 20 | 21 | 21 | 22 | 22 | 23 | 23 |
19 |
|
|
|
|
|
| 20 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 25 |
20 |
|
|
|
|
|
| 21 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 27 | 27 |
21 |
|
|
|
|
| 22 | 23 | 23 | 24 | 24 | 26 | 26 | 27 | 27 | 28 | 29 | 29 |
22 |
|
|
|
|
| 23 | 23 | 24 | 24 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 31 |
23 |
|
|
|
| 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 32 | 33 |
24 |
|
|
| 25 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 35 |
25 |
|
|
| 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 |
26 |
|
|
| 27 | 28 | 28 | 29 | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
27 |
|
| 28 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 |
28 |
|
| 28 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 41 | 41 | 42 | 43 |
29* |
|
| 30 | 31 | 32 | 33 | 34 | 36 | 37 | 38 | 39 | 41 | 42 | 43 | 44 | 45 | 46 |
30 |
| 31 | 31 | 34 | 34 | 35 | 36 | 37 | 38 | 40 | 41 | 42 | 43 | 44 | 46 | 47 | 48 |
31 |
| 31 | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 43 | 44 | 45 | 46 | 48 | 49 | 50 |
32 |
| 33 | 34 | 36 | 37 | 38 | 39 | 41 | 42 | 43 | 45 | 46 | 47 | 49 | 50 | 51 | 52 |
33 |
| 34 | 36 | 37 | 38 | 40 | 42 | 43 | 44 | 46 | 47 | 48 | 50 | 51 | 52 | 54 | 55 |
34 |
| 36 | 37 | 39 | 41 | 42 | 43 | 45 | 47 | 48 | 49 | 51 | 52 | 53 | 55 | 57 | 58 |
35 |
| 37 | 38 | 41 | 42 | 43 | 45 | 47 | 48 | 49 | 51 | 52 | 54 | 56 | 57 | 58 |
|
Accessible Table Data - Heat Category by Temperature and Relative Humidity
Temperature (°C) | Ideal Operational Range | Corrective Measures | Relocate or Release Staff |
|---|---|---|---|
17 | — | 70%–100% | — |
18 | — | 65%–100% | — |
19 | — | 50%–100% | — |
20 | 50%–100% | — | — |
21 | 45%–100% | — | — |
22 | 45%–100% | — | — |
23 | 40%–100% | — | — |
24 | 35%–100% | — | — |
25 | 35%–100% | — | — |
26 | 35%–100% | — | — |
27 | — | 30%–95% | 100% |
28 | — | 30%–80% | 85%–100% |
29* | — | 30%–70% | 75%–100% |
30 | — | 25%–65% | 70%–100% |
31 | — | 25%–60% | 65%–100% |
32 | — | 25%–50% | 55%–100% |
33 | — | 25%–45% | 50%–100% |
34 | — | 25%–35% | 40%–100% |
35 | — | 25%–30% | 35%–95% |
*If instrumentation capable of accurately measuring Humidex is not practically available within one hour after a complaint is made, a temperature of 29°C or above shall be considered unsatisfactory.
September 1992
Based on Environment Canada Humidex Charts