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Block 581 Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Woodlands

Last Updated: 2026-08-17 15:11:01 (Local Time)

Live AQI

69AQI (US)

Air Quality is

Moderate

PM2.5 : 21 µg/m³

pm10 : 35 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

35 °C

Last Updated: 2026-08-17 15:11:01 (Local Time)

Map

Block 581

Major Air Pollutants
Block 581

Particulate Matter(PM₂.₅)

21µg/m³

Particulate Matter(PM₁₀)

35µg/m³

Carbon Monoxide(CO)

791ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

6ppb

Ozone(O₃)

14ppb

AQI Graph

Historical Air Quality Data
Block 581

24 Hours

AQI (US)

Block 581

AQI (US)

16-08-2026Time17-08-2026

Time	Block 581
3:31pm	80
4:01pm	71
4:31pm	75
5:01pm	78
5:31pm	84
6:01pm	88
6:31pm	84
7:01pm	86
7:31pm	78
8:01pm	75
8:31pm	80
9:01pm	80
9:31pm	69
10:01pm	71
10:31pm	69
11:01pm	75
11:31pm	80
12:01am	63
12:31am	65
1:01am	67
1:31am	71
2:01am	73
2:31am	73
3:01am	67
3:31am	69
4:01am	69
4:31am	73
5:01am	82
5:31am	73
6:01am	71
6:31am	65
7:01am	67
7:31am	67
8:01am	71
8:31am	73
9:01am	73
9:31am	71
10:01am	73
10:31am	71
11:01am	71
11:31am	82
12:01pm	73
12:31pm	73
1:01pm	71
1:31pm	67
2:01pm	69
2:31pm	67
3:01pm	67

Min. AQI (US)12:01am

Max. AQI (US)6:01pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Block 581, Woodlands, North Region, Singapore

AQI (US)

Air Quality Calendar 2026
Block 581

2026

AQI (US)

Health Advice For People Living In
Block 581

1Cigarettes per day

Weekly 7 Cigarettes

Monthly 30 Cigarettes

Breathing the air in this location is as harmful as smoking 1 cigarettes a day.

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 (US)

Air PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Block 581

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

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.

Air Quality Solutions For Block 581
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

Prana Air offers the solutions of air quality monitoring and clean air machine for Block 581

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Block 581's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Block 581

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Block 581?

The current real-time AQI (US) level in Block 581 is 69 (Moderate) due to recent rainfall by 0.1mm/hr. This was last updated 2026-08-17 15:11:01 (Local Time).

2. When was the best AQI (US) level in Block 581 in the last 24 hours?

The best AQI (US) level was 63 (Moderate) at 12:01 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Block 581 in the last 24 hours?

The worst AQI (US) level was 88 (Moderate) at 6:01 PM, Aug 16, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Block 581 during last 24 hours?

The AQI (US) levels in Block 581 have been fluctuating throughout the last 24 hours. The levels have increased by highest 88 at 6:01 PM, Aug 16, 2026 (Local Time), lowest 63 at 12:01 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Block 581?

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