Air quality
Air quality in Iriga City today
Updated
Good (US AQI 22) 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 Iriga City, Bicol Region, Philippines, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 22 Good
- PM2.5
- 3.1 µg/m³ 0.2× WHO 24-h guideline
- PM10
- 3.9 µg/m³
- Ozone
- 66 µg/m³
- Dominant pollutant
- ozone sub-index 22
- Best hour today
- 10:00 am AQI 22
- European AQI
- 23
Air quality in Iriga City right now
Right now the modelled US Air Quality Index for Iriga City, Bicol Region, Philippines is 22, 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 ozone, whose own sub-index is 22. Ozone usually peaks in the afternoon on sunny days and falls back after sunset.
PM2.5 is 3.1 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 3.9 µg/m³ against a guideline of 45; ozone is 66 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 0.5 µg/m³ (below the 24-hour guideline of 25).
Also this hour: UV index 8 (high: sun protection advised), carbon monoxide 194 µg/m³.
NASA FIRMS shows 6 fire hotspots within 300 km in the last day (nearest about 33 km), but particle levels are not elevated enough to point to smoke right now.
Iriga City AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 22 around Mon 10:00 am to 34 around Tue 1:00 am, staying "Good" throughout.
The following day looks similar, averaging about 29.
| Local time (Asia/Manila) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Mon 10:00 am | 22 | Good | 3.1 | 4 | 66 |
| Mon 1:00 pm | 27 | Good | 4.5 | 6 | 66 |
| Mon 4:00 pm | 30 | Good | 6.3 | 8 | 60 |
| Mon 7:00 pm | 29 | Good | 7.8 | 10 | 50 |
| Mon 10:00 pm | 31 | Good | 8.4 | 10 | 43 |
| Tue 1:00 am | 34 | Good | 6.6 | 8 | 39 |
| Tue 4:00 am | 34 | Good | 5.6 | 8 | 34 |
| Tue 7:00 am | 33 | Good | 5.1 | 8 | 33 |
| Tue 10:00 am | 33 | Good | 6 | 9 | 35 |
| Tue 1:00 pm | 35 | Good | 5 | 8 | 35 |
| Tue 4:00 pm | 34 | Good | 2.5 | 4 | 33 |
| Tue 7:00 pm | 31 | Good | 3.2 | 5 | 29 |
| Tue 10:00 pm | 28 | Good | 4.4 | 6 | 27 |
| Wed 1:00 am | 26 | Good | 4.6 | 7 | 24 |
| Wed 4:00 am | 25 | Good | 4.4 | 7 | 22 |
| Wed 7:00 am | 24 | Good | 3.2 | 5 | 29 |
| Wed 10:00 am | 22 | Good | 1.8 | 3 | 39 |
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 Iriga City today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 10:00 am (AQI 22, Good) and the worst around 3:00 pm (AQI 30). The difference across the day is small, so timing matters little.
Iriga City vs the rest of Philippines
Across 106 Philippines cities we track, the average US AQI right now is 77 (Moderate). Iriga City at 22 is 55 points cleaner than average.
For context, the median across 3,909 cities worldwide is 57.
Air quality in cities near Iriga City
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| San Jose, Bicol Region | 18 km | 40 | Good | 3 |
| Victoria, Mimaropa | 233 km | 60 | Moderate | 6.8 |
| San Pablo | 236 km | 101 | Unhealthy for Sensitive Groups | 14.7 |
| Victoria, Calabarzon | 242 km | 121 | Unhealthy for Sensitive Groups | 12.1 |
| Los Baños | 248 km | 121 | Unhealthy for Sensitive Groups | 12.1 |
| Lipa City | 249 km | 101 | Unhealthy for Sensitive Groups | 14.7 |
| Calamba | 258 km | 121 | Unhealthy for Sensitive Groups | 12.1 |
| Cabuyao | 264 km | 121 | Unhealthy for Sensitive Groups | 12.1 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Iriga City, 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 22, 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 Iriga City
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.