Air quality
Air quality in Kluang today
Updated
Good (US AQI 21) Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. Model estimate for Mon, Oct 26, 10:00 am (02:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Kluang, Johor, Malaysia, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 21 Good
- PM2.5
- 5.4 µg/m³ 0.4× WHO 24-h guideline
- PM10
- 5.4 µg/m³
- Ozone
- 64 µg/m³
- Dominant pollutant
- PM2.5 sub-index 21
- Best hour today
- 11:00 am AQI 20
- European AQI
- 22
Air quality in Kluang right now
Right now the modelled US Air Quality Index for Kluang, Johor, Malaysia is 21, which falls in the "Good" band (up to 50). Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
The index is driven mainly by PM2.5, whose own sub-index is 21. Fine and coarse particles come from traffic, heating, industry, dust and smoke; they build up on calm nights and clear when wind or rain arrives.
PM2.5 is 5.4 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 5.4 µg/m³ against a guideline of 45; ozone is 64 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 8.5 µg/m³ (below the 24-hour guideline of 25).
Also this hour: UV index 2.3, carbon monoxide 518 µg/m³.
Kluang AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 20 around Mon 11:00 am to 60 around Tue 10:00 am, from "Good" at best to "Moderate" at worst.
The following day is expected to be worse, averaging about 80 against 45 for the next 24 hours.
| Local time (Asia/Kuala_Lumpur) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Mon 10:00 am | 21 | Good | 5.4 | 5 | 64 |
| Mon 1:00 pm | 23 | Good | 9.5 | 10 | 111 |
| Mon 4:00 pm | 39 | Good | 11.8 | 12 | 126 |
| Mon 7:00 pm | 56 | Moderate | 16.4 | 17 | 83 |
| Mon 10:00 pm | 46 | Good | 18.4 | 19 | 52 |
| Tue 1:00 am | 50 | Good | 19.4 | 20 | 47 |
| Tue 4:00 am | 54 | Moderate | 16.4 | 16 | 40 |
| Tue 7:00 am | 58 | Moderate | 13.6 | 14 | 32 |
| Tue 10:00 am | 60 | Moderate | 18.4 | 19 | 118 |
| Tue 1:00 pm | 63 | Moderate | 20.7 | 21 | 167 |
| Tue 4:00 pm | 91 | Moderate | 22.6 | 23 | 173 |
| Tue 7:00 pm | 144 | Unhealthy for Sensitive Groups | 19.4 | 20 | 110 |
| Tue 10:00 pm | 98 | Moderate | 12.4 | 13 | 71 |
| Wed 1:00 am | 66 | Moderate | 6.3 | 6 | 67 |
| Wed 4:00 am | 62 | Moderate | 3.4 | 4 | 59 |
| Wed 7:00 am | 60 | Moderate | 5 | 5 | 60 |
| Wed 10:00 am | 58 | Moderate | 7 | 7 | 111 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in Kluang today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 11:00 am (AQI 20, Good) and the worst around 7:00 pm (AQI 56). That is a swing of 36 points, so a run or walk around 11:00 am is noticeably better.
Kluang vs the rest of Malaysia
Across 55 Malaysia cities we track, the average US AQI right now is 53 (Moderate). Kluang at 21 is 32 points cleaner than average.
It ranks 2 of 55 from cleanest to most polluted; the cleanest is Ipoh (16) and the most polluted Kuching (129).
For context, the median across 3,556 cities worldwide is 58.
Air quality in cities near Kluang
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Mukim Pulai | 68 km | 58 | Moderate | 14.3 |
| Perling | 73 km | 58 | Moderate | 14.3 |
| Kampung Kangkar Teberau | 74 km | 58 | Moderate | 14.3 |
| Kampung Larkin Lama | 76 km | 58 | Moderate | 14.3 |
| Iskandar Puteri | 79 km | 55 | Moderate | 10.9 |
| Pelentong | 80 km | 58 | Moderate | 14.3 |
| Johor Bahru | 80 km | 58 | Moderate | 14.3 |
| Muar | 83 km | 25 | Good | 3.8 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Kluang, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Advice for sensitive groups
With the AQI at 21, there is no need for sensitive groups to change plans. People with asthma should still carry their reliever inhaler as usual.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Kluang
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).