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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

103.6 µg/m³

Peak PM2.5

103 µg/m³

PM10

174.1 µg/m³

Nitrogen dioxide

79.3 µg/m³

Last updated: 9/29/2026, 6:34:11 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)
9/29/2026, 6:34:11 PM103.6 µg/m³103 µg/m³174.1 µg/m³79.3 µg/m³
9/29/2026, 6:19:09 PM102.5 µg/m³102.7 µg/m³168 µg/m³79.8 µg/m³
9/29/2026, 6:04:04 PM98.8 µg/m³101.6 µg/m³159.5 µg/m³76 µg/m³
9/29/2026, 5:49:02 PM96.5 µg/m³98 µg/m³150.7 µg/m³72 µg/m³
9/29/2026, 5:33:59 PM91.6 µg/m³94.2 µg/m³140.3 µg/m³66.8 µg/m³
9/29/2026, 5:18:56 PM86.8 µg/m³88.2 µg/m³129.1 µg/m³62.2 µg/m³
9/29/2026, 5:03:52 PM81.3 µg/m³82.6 µg/m³114.9 µg/m³54.7 µg/m³
9/29/2026, 4:48:50 PM72.9 µg/m³76.6 µg/m³102.3 µg/m³46.8 µg/m³
9/29/2026, 4:33:47 PM66.4 µg/m³68.8 µg/m³91.9 µg/m³38.4 µg/m³
9/29/2026, 4:18:43 PM60.6 µg/m³62.3 µg/m³79.6 µg/m³32.1 µg/m³
9/29/2026, 4:03:43 PM50.4 µg/m³55.7 µg/m³71.9 µg/m³27.2 µg/m³
9/29/2026, 3:48:41 PM46.2 µg/m³49.2 µg/m³58.5 µg/m³22.2 µg/m³
9/29/2026, 3:33:38 PM39.3 µg/m³41.9 µg/m³50 µg/m³17.2 µg/m³
9/29/2026, 3:18:36 PM32.9 µg/m³34.5 µg/m³44.8 µg/m³16.2 µg/m³
9/29/2026, 3:03:31 PM28.2 µg/m³28.9 µg/m³37.5 µg/m³12 µg/m³
9/29/2026, 2:48:29 PM23.9 µg/m³24.5 µg/m³34.1 µg/m³9.5 µg/m³
9/29/2026, 2:33:27 PM21.3 µg/m³21.1 µg/m³33.4 µg/m³9.7 µg/m³
9/29/2026, 2:18:26 PM18.2 µg/m³19 µg/m³31.8 µg/m³9.9 µg/m³
9/29/2026, 2:03:21 PM16.8 µg/m³17.3 µg/m³30.2 µg/m³10.3 µg/m³
9/29/2026, 1:48:18 PM16.7 µg/m³16.5 µg/m³30.2 µg/m³9.6 µg/m³
9/29/2026, 1:33:16 PM16.8 µg/m³16.2 µg/m³28.9 µg/m³9.1 µg/m³
9/29/2026, 1:18:12 PM16.5 µg/m³16.2 µg/m³30.4 µg/m³7.9 µg/m³
9/29/2026, 1:03:09 PM17.2 µg/m³16.1 µg/m³31.1 µg/m³8 µg/m³
9/29/2026, 12:48:07 PM16.2 µg/m³16.3 µg/m³30.9 µg/m³10.4 µg/m³
9/29/2026, 12:33:04 PM17.6 µg/m³16.5 µg/m³32 µg/m³8.6 µg/m³