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St Johns Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Mount Pearl Park

Last Updated: 02 Aug 2025, 01:39pm (Local Time)

location image
Live AQI
95(AQI-US)
Air Quality is
Moderate
pm10 :  36 µg/m³
PM2.5 :  33 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in St Johns
sunny

19 °C

Sunny
Humidity
Humidity49 %

Wind Speed
Wind Speed13 km/h

UV Index
UV Index7
Last Updated: 02 Aug 2025, 01:39pm (Local Time)


Map

St Johns

Major Air Pollutants

St Johns

AQI Graph

Historical Air Quality Data

St Johns

St Johns
AQI
.
01-08-2025Time02-08-2025
29
Min.at 5:09 PM on 1st Aug
68
Max.at 1:09 PM on 2nd Aug

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada

Year
.
AQI


Annual AQI Trends

2020
24AQI
2021
27AQI
13%
Rise
2022
29AQI
7%
Rise
2023
31AQI
7%
Rise
2024
23AQI
-26%
Fall
2025
26AQI
13%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 202340AQI

Least PollutedJuly, 202414AQI

* This data analysis is from year 2020 - 2025

Canada's Metro Cities

Air Quality Index

Health Advice For People Living In

St Johns

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

St Johns

  • asthma due to air pollution in St JohnsAsthma
  • heart due to air pollution in St JohnsHeart Issues
  • allergy due to air pollution in St JohnsAllergies
  • sinus due to air pollution in St JohnsSinus
  • flu due to air pollution in St JohnsCold/Flu
  • copd due to air pollution in St JohnsChronic (COPD)
asthma due to air pollution in St Johns

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

Canada

Analyze the real-time most air polluted cities in the country.

St Johns's AQI Data Analytics Solutions

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Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

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Air Quality FAQs

at St Johns

Frequently Asked Questions About Air Quality

What is the current AQI level in St Johns?

The current real-time AQI level in St Johns is 95 (Moderate). This was last updated 02 Aug 2025, 01:39pm (Local Time).

When was the best AQI level in St Johns in the last 24 hours?

The best AQI level was 29 (Good) at 5:09 PM, Aug 1, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in St Johns in the last 24 hours?

The worst AQI level was 68 (Moderate) at 1:09 PM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in St Johns during last 24 hours?

The AQI levels in St Johns have been fluctuating throughout the last 24 hours. The levels have increased by highest 68 at 1:09 PM (Local Time), lowest 29 at 5:09 PM, Aug 1, 2025 (Local Time).

What actions are recommended as per the current AQI level in St Johns?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.