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Air Quality Alert
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The Pima County Department of Environmental Quality (PDEQ) has issued an Ozone Action Day for the Tucson Metro area until 8 PM MST this evening. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air pollutant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute, or use mass transit. The use of gasoline-powered equipment should be reduced or done late in the day. For details on this Action Day, visit the PDEQ website at www.pima.gov/deq or call 520-724-6885.

Pantano Wash Near Vail, Az. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 0.79
01-02 0.84
01-03 0.79
01-04 0.79
01-05 0.81
01-06 0.78
01-07 0.78
01-08 0.78
01-09 1.35
01-10 1.24
01-11 1.18
01-12 1.09
01-13 1.07
01-14 1.1
01-15 1.09
01-16 1.1
01-17 1.11
01-18 1.09
01-19 1.1
01-20 1.09
01-21 1.11
01-22 1.14
01-23 1.21
01-24 1.18
01-25 1.14
01-26 0.82
01-27 0.83
01-28 1.55
01-29 1.57
01-30 1.47
01-31 1.33
02-01 5.76
02-02 2.37
02-03 1.34
02-04 1.15
02-05 1.05
02-06 0.89
02-07 0.99
02-08 0.93
02-09 0.85
02-10 0.84
02-11 0.91
02-12 0.84
02-13 0.85
02-14 0.87
02-15 0.87
02-16 0.88
02-17 0.88
02-18 0.89
02-19 0.59
02-20 0.9
02-21 0.94
02-22 0.94
02-23 0.91
02-24 2.49
02-25 5.31
02-26 9.98
02-27 11.65
02-28 11.08
02-29 1.69
03-01 9.53
03-02 2.71
03-03 3.01
03-04 2.89
03-05 2.36
03-06 2.15
03-07 2.74
03-08 2.65
03-09 2.54
03-10 2.39
03-11 2.32
03-12 2.35
03-13 2.28
03-14 2.26
03-15 2.27
03-16 2.28
03-17 2.27
03-18 2.27
03-19 2.15
03-20 1.86
03-21 2.11
03-22 2.25
03-23 2.19
03-24 2.17
03-25 2.18
03-26 2.21
03-27 2.21
03-28 2.22
03-29 2.21
03-30 2.24
03-31 2.02
04-01 2.2
04-02 2.24
04-03 1.53
04-04 1.62
04-05 1.62
04-06 1.69
04-07 1.65
04-08 1.67
04-09 1.48
04-10 1.18
04-11 1.52
04-12 1.49
04-13 1.5
04-14 1.56
04-15 1.32
04-16 1.36
04-17 1.22
04-18 0.89
04-19 0.9
04-20 0.92
04-21 1.17
04-22 1.19
04-23 1.2
04-24 1.3
04-25 1.32
04-26 1.32
04-27 1.28
04-28 1.17
04-29 1.16
04-30 1.01
05-01 0.94
05-02 1.01
05-03 1.01
05-04 0.98
05-05 0.9
05-06 0.9
05-07 0.9
05-08 0.96
05-09 0.92
05-10 1.08
05-11 1.02
05-12 0.95
05-13 0.65
05-14 0.71
05-15 0.77
05-16 0.81
05-17 0.83
05-18 0.76
05-19 0.78
05-20 0.74
05-21 0.65
05-22 0.66
05-23 0.64
05-24 0.63
05-25 0.68
05-26 0.66
05-27 0.67
05-28 0.68
05-29 0.7
05-30 0.68
05-31 0.71
06-01 0.55
06-02 0.51
06-03 0.57
06-04 0.58
06-05 0.61
06-06 0.59
06-07 0.64
06-08 0.59
06-09 0.61
06-10 0.66
06-11 0.66
06-12 0.63
06-13 0.63
06-14 0.57
06-15 0.59
06-16 0.69
06-17 0.65
06-18 0.65
06-19 0.67
06-20 0.66
06-21 0.67
06-22 0.68
06-23 0.59
06-24 0.62
06-25 0.59
06-26 0.59
06-27 1.27
06-28 0.96
06-29 0.91
06-30 0.9
07-01 0.54
07-02 0.54
07-03 0.52
07-04 5.2
07-05 0.72
07-06 1.99
07-07 0.49
07-08 1.88
07-09 0.52
07-10 1.03
07-11 0.36
07-12 1.86
07-13 119.5
07-14 20.6
07-15 17.59
07-16 28.11
07-17 0.4
07-18 0.51
07-19 76.13
07-20 0.6
07-21 112.39
07-22 2.98
07-23 504.99
07-24 4.86
07-25 86.0
07-26 16.97
07-27 6.05
07-28 13.01
07-29 15.98
07-30 18.55
07-31 4.83
08-01 18.36
08-02 1.37
08-03 4.62
08-04 3.55
08-05 5.83
08-06 25.93
08-07 6.12
08-08 5.89
08-09 12.36
08-10 1.93
08-11 46.39
08-12 5.51
08-13 8.87
08-14 15.68
08-15 69.85
08-16 10.16
08-17 311.74
08-18 66.19
08-19 9.58
08-20 8.18
08-21 49.34
08-22 4.48
08-23 23.68
08-24 7.09
08-25 4.97
08-26 13.45
08-27 53.8
08-28 1.78
08-29 13.99
08-30 17.36
08-31 19.5
09-01 18.76
09-02 21.01
09-03 22.67
09-04 3.58
09-05 3.18
09-06 3.18
09-07 2.64
09-08 4.68
09-09 8.88
09-10 7.92
09-11 2.99
09-12 2.42
09-13 1.57
09-14 6.97
09-15 3.13
09-16 2.39
09-17 1.59
09-18 1.54
09-19 5.23
09-20 6.41
09-21 2.66
09-22 6.09
09-23 1.4
09-24 1.25
09-25 2.37
09-26 2.61
09-27 2.69
09-28 1.57
09-29 2.64
09-30 2.66
10-01 2.68
10-02 2.53
10-03 2.52
10-04 2.49
10-05 2.43
10-06 3.6
10-07 2.3
10-08 2.31
10-09 2.99
10-10 2.7
10-11 2.68
10-12 2.71
10-13 2.75
10-14 2.72
10-15 2.05
10-16 2.4
10-17 2.37
10-18 2.29
10-19 1.29
10-20 1.41
10-21 1.15
10-22 1.12
10-23 1.13
10-24 1.28
10-25 1.16
10-26 0.85
10-27 0.87
10-28 0.85
10-29 0.94
10-30 1.14
10-31 0.98
11-01 0.83
11-02 0.87
11-03 0.86
11-04 0.82
11-05 0.83
11-06 0.87
11-07 0.82
11-08 0.92
11-09 0.88
11-10 0.69
11-11 0.67
11-12 0.66
11-13 0.67
11-14 0.69
11-15 0.67
11-16 0.68
11-17 0.71
11-18 0.66
11-19 0.68
11-20 0.65
11-21 0.66
11-22 0.59
11-23 0.66
11-24 0.66
11-25 0.64
11-26 0.68
11-27 0.7
11-28 0.69
11-29 0.78
11-30 1.0
12-01 0.74
12-02 0.74
12-03 0.78
12-04 0.81
12-05 0.81
12-06 0.73
12-07 0.75
12-08 0.69
12-09 0.68
12-10 0.68
12-11 0.72
12-12 0.71
12-13 0.71
12-14 0.71
12-15 0.83
12-16 0.67
12-17 0.66
12-18 0.68
12-19 0.68
12-20 0.69
12-21 0.68
12-22 0.71
12-23 0.72
12-24 0.71
12-25 0.74
12-26 0.75
12-27 0.73
12-28 0.73
12-29 0.73
12-30 0.78
12-31 0.77

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index