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Roadside air quality

air quality online by Priya Raghavan

Sat beside a busy road. Mornings are worse than I expected. Still air holds everything in until the sun gets up.

Latest Reading

PM2.5

82.5 µg/m³

Peak PM2.5

89.6 µg/m³

PM10

168.9 µg/m³

Nitrogen dioxide

48.9 µg/m³

Last updated: 7/31/2026, 8:17:24 PM

Insights

↑ rising ↗ trending up → stable ↘ trending down ↓ falling L = low, ~ = avg, H = high anomaly

Historical Plot

Drag on chart to zoom in

Telemetry Data

Live
TimePM2.5 (µg/m³)Peak PM2.5 (µg/m³)PM10 (µg/m³)Nitrogen dioxide (µg/m³)
7/31/2026, 8:17:24 PM82.5 µg/m³89.6 µg/m³168.9 µg/m³48.9 µg/m³
7/31/2026, 8:00:00 PM92.7 µg/m³98.5 µg/m³179.2 µg/m³63.9 µg/m³
7/31/2026, 7:30:00 PM99.7 µg/m³103 µg/m³178.2 µg/m³74 µg/m³
7/31/2026, 7:00:00 PM102.8 µg/m³103.4 µg/m³167.8 µg/m³77.1 µg/m³
7/31/2026, 6:30:00 PM98.6 µg/m³101.9 µg/m³151.2 µg/m³78.1 µg/m³
7/31/2026, 6:00:00 PM87.5 µg/m³92.8 µg/m³124.6 µg/m³66.4 µg/m³
7/31/2026, 5:30:00 PM72.2 µg/m³78.5 µg/m³99.3 µg/m³50.1 µg/m³
7/31/2026, 5:00:00 PM55.7 µg/m³61.1 µg/m³72.5 µg/m³34.5 µg/m³
7/31/2026, 4:30:00 PM40.8 µg/m³47.9 µg/m³55 µg/m³22.2 µg/m³
7/31/2026, 4:00:00 PM27.7 µg/m³30.6 µg/m³43.9 µg/m³12.8 µg/m³
7/31/2026, 3:30:00 PM21.9 µg/m³25.6 µg/m³36.2 µg/m³12.6 µg/m³
7/31/2026, 3:00:00 PM17.9 µg/m³18.7 µg/m³29.7 µg/m³10.1 µg/m³
7/31/2026, 2:30:00 PM17.4 µg/m³17.7 µg/m³31.9 µg/m³8.5 µg/m³
7/31/2026, 2:00:00 PM16.3 µg/m³16.3 µg/m³30.1 µg/m³9.4 µg/m³
7/31/2026, 1:30:00 PM15.1 µg/m³16.3 µg/m³30.3 µg/m³8.8 µg/m³
7/31/2026, 1:00:00 PM16.8 µg/m³16.4 µg/m³31.6 µg/m³8.8 µg/m³
7/31/2026, 12:30:00 PM16.4 µg/m³17 µg/m³33.3 µg/m³7.2 µg/m³
7/31/2026, 12:00:00 PM17.5 µg/m³17.9 µg/m³37.3 µg/m³9.9 µg/m³
7/31/2026, 11:30:00 AM18 µg/m³19.4 µg/m³41.6 µg/m³10.4 µg/m³
7/31/2026, 11:00:00 AM21.2 µg/m³22.2 µg/m³47.2 µg/m³13.8 µg/m³
7/31/2026, 10:30:00 AM23.1 µg/m³25.7 µg/m³54.1 µg/m³16 µg/m³
7/31/2026, 10:00:00 AM27.7 µg/m³29.8 µg/m³58.9 µg/m³22.1 µg/m³
7/31/2026, 9:30:00 AM33.3 µg/m³33.9 µg/m³65.2 µg/m³26.6 µg/m³
7/31/2026, 9:00:00 AM34.8 µg/m³36.5 µg/m³66.6 µg/m³31.2 µg/m³
7/31/2026, 8:30:00 AM37.5 µg/m³37 µg/m³66.9 µg/m³33.7 µg/m³