Toronto Air Quality.
9 | Good | |
Updated on Mar 27, 2025 7:00 AM | ||
Temp.: -4°C - Wind: 2m/s 0 -
Air Quality Forecast
-1 ~ 10°C
0 ~ 7°C
0 ~ 13°C
0 ~ 3°C
-2 ~ 1°C
| Cur | Min | Max | ||
| PM2.5 | 9 |  | 9 | 57 |
| O3 | 2 |  | 2 | 34 |
| NO2 | 35 |  | 4 | 36 |
| SO2 | 1 |  | 0 | 1 |
| CO | 4 |  | 2 | 4 |
| Temp. | -4 |  | -6 | 7 |
| Pressure | 1024 |  | 1000 | 1024 |
| Humidity | 74 |  | 46 | 100 |
| Wind | 2 |  | 0 | 15 |
SHARE
| Share: Toronto Air Quality Index |
Air Quality Data source
Weather Information
Current conditions for Toronto on measured on Thursday 7:00:
-4°C
Humidity: 74%Pressure:: 1024mb
Air Quality Forecast
10°C
-1°C
7°C
0°C
13°C
0°C
3°C
0°C
1°C
-2°C
| Thursday 27th | Friday 28th | Saturday 29th | Sunday 30th | Monday 31 | |||||||||||||||||||||||||||||||||||||||||||
| 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | |||||||||
| PM2.5 | |||||||||||||||||||||||||||||||||||||||||||||||
6:10 ~ 18:37 | 6:09 ~ 18:39 | 6:07 ~ 18:40 | 6:05 ~ 18:41 | 6:03 ~ 18:42 | |||||||||||||||||||||||||||||||||||||||||||
Forecast plotted using timezone -05:00
Toronto Air Pollution Map
Nearest cities:
| 9 | Today at 12:00 PM - a few seconds ago |
| 9 | Today at 12:00 PM - a few seconds ago |
| 25 | Today at 12:00 PM - a few seconds ago |
| 50 | Today at 12:00 PM - a few seconds ago |
| 17 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 16 | Today at 12:00 PM - a few seconds ago |
| 17 | Today at 12:00 PM - a few seconds ago |
| 30 | Today at 12:00 PM - a few seconds ago |
| 11 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 2 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 21 | Today at 12:00 PM - a few seconds ago |
| 25 | Today at 12:00 PM - a few seconds ago |
Options
| Auto locate the nearest city |
| Choose another city AQI |
| Load most recent AQI data |
| View all cities AQI on a map |
| Open normal webpage (instead of the mobile webapp version) |
Download the Smartphone application |
About this app and widget
| Contact the World Air Quality Index project team |
| Frequently Asked Questions |
Settings
| - | Remember the selected city |
| Temperature unit: Celcius |
Language Settings:
| 🇨🇳 | 简体中文 |
| 🇯🇵 | 日本 |
| 🇪🇸 | español |
| 🇰🇷 | 한국의 |
| 🇷🇺 | русский |
| 🇭🇰 | 繁體中文 |
| 🇫🇷 | Francais |
| 🇵🇱 | Polski |
| 🇩🇪 | Deutsch |
| 🇧🇷 | Português |
| 🇻🇳 | Tiếng Việt |
| 🇮🇹 | Italiano |
| 🇮🇩 | bahasa Indonesia |
| 🇳🇱 | Nederlands |
| 🇮🇷 | فارسی |
| 🇹🇭 | ภาษาไทย |
| 🇭🇺 | Magyar |
| 🇬🇷 | Ελληνικά |
| 🇷🇴 | Română |
| 🇧🇬 | български |
| 🇵🇰 | اردو |
| 🇮🇳 | हिंदी |
| 🇦🇪 | العربية |
| 🇷🇸 | Српски |
| 🇧🇩 | বাংলা |
| 🇧🇦 | босански |
| 🇭🇷 | hrvatski |
| 🇹🇷 | Türkçe |
| 🇺🇦 | українська |
| 🇨🇿 | čeština |
| 🇧🇾 | беларускі |
| 🇰🇭 | ខ្មែរ |
| 🇱🇦 | ລາວ |
About the Air Quality and Pollution Measurement:
| AQI | Air Pollution Level | Health Implications | Cautionary Statement (for PM2.5) |
| 0 - 50 | Good | Air quality is considered satisfactory, and air pollution poses little or no risk | None |
| 51 -100 | Moderate | Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 101-150 | Unhealthy for Sensitive Groups | Members of sensitive groups may experience health effects. The general public is not likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 151-200 | Unhealthy | Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects | Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion |
| 201-300 | Very Unhealthy | Health warnings of emergency conditions. The entire population is more likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
| 300+ | Hazardous | Health alert: everyone may experience more serious health effects | Everyone should avoid all outdoor exertion |
-
