Suburban ozone monitor data

Home » my account » my workspace
By GHASP -- February 29, 2008 - 4:13pm
Current ConditionsToday's Hourly DataDaily MaximumHistorical DataDownload Data

GHASP operates several ozone monitors in suburban Houston areas. These monitors are intended to fill gaps in the state's official ozone monitoring network.

Ozone levels - historical data

Date Start:
YYYY-MM-DD
Date End:
YYYY-MM-DD

Times in CST. Add one hour for CDT.
Date Hour Fort Bend Co. - Sugar Land Houston Central Montgomery Co. - The Woodlands Waller Co. - Rural Hempstead
7/5 Midnight - 1 am 21 FEW FEW FEW
7/5 1 am - 2 am 22 FEW FEW FEW
7/5 2 am - 3 am 22 FEW FEW FEW
7/5 3 am - 4 am 19 FEW FEW FEW
7/5 4 am - 5 am 16 FEW FEW FEW
7/5 5 am - 6 am 14 FEW FEW FEW
7/5 6 am - 7 am 15 FEW FEW FEW
7/5 7 am - 8 am 16 FEW FEW FEW
7/5 8 am - 9 am 21 FEW FEW FEW
7/5 9 am - 10 am 29 FEW FEW FEW
7/5 10 am - 11 am 34 FEW FEW FEW
7/5 11 am - Noon 37 FEW FEW FEW
7/5 Noon - 1 pm 37 FEW FEW FEW
7/5 1 pm - 2 pm 27 FEW FEW FEW
7/5 2 pm - 3 pm 32 FEW FEW FEW
Times in CST. Add one hour for CDT.

Ozone measurement units are parts per billion. "FEW" means not enough data to create an average. "NOL" means the ozone monitor is not reporting data for some reason.

EPA Air Quality Index for Ozone

Ozone
1-hour average		Ozone
8-hour average
> 404 ppb >374 ppb
205 - 404 ppb 125 - 374 ppb
165 - 204 ppb 105 - 124 ppb
125 - 164 ppb 85 - 104 ppb
(use 8-hr avg) 65 - 84 ppb
(use 8-hr avg) 0 - 64 ppb

GHASP's ozone monitors have been verified in direct comparison with official city and state ozone monitors, and are suitable for use as a public health awareness tool.



Home » my account » my workspace