Fort Collins Experiences Highest Ozone Pollution Ever, Six Violations in One Day

Fort Collins north of Denver has typically had lower levels of ozone pollution. All that is changing this summer.

Today is the third day this summer that the Fort Collins area violated the 8-hour ozone standard of 80 parts per billion. The Fort Collins area today has so far violated the ozone standard 6 times. 8-hour ozone concentrations at the Fort Collins West monitor tonight were reported at 85 parts per billion at 4 P.M., 90 at 5 P.M., 94 at 6 P.M., 96 at 7 P.M., 97 at 8 P.M., and 95 at 9 P.M. Earlier this summer, the same monitor reported ozone concentrations of 88 and 87 parts per billion. These levels of ozone pollution are the highest ever reported from the Fort Collins area and are a serious danger to children.

Below is the read out of hourly ozone levels today at the Fort Collins West monitor from the state's website. 8-hour averages are measured hourly.

Measurements for FTCW on 07/14/06

HOUR (MST)	O3 (ppb)
1	64
2	56
3	41
4	38
5	51
6	39
7	41
8	51
9	63
10	71
11	80
12	80
13	91
14	95
15	98
16	103
17	103
18	103
19	95
20	90
21	80