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Air Quality Alert
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The Pennsylvania Department of Environmental Protection has issued a Code PURPLE Air Quality Alert for Fine Particulates for Friday and Friday evening until midnight. A Code PURPLE Air Quality Alert means that air pollution concentrations within the region are very unhealthy. Health alert: Everyone may experience serious health effects. For more information on ground-level ozone and fine particles, visit www.airnow.gov and www.aqpartners.state.pa.us.

West Branch Lackawaxen River At Prompton, Pa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 173.22
01-02 178.72
01-03 166.87
01-04 168.67
01-05 161.74
01-06 159.53
01-07 164.41
01-08 137.28
01-09 118.64
01-10 115.73
01-11 171.36
01-12 172.94
01-13 173.82
01-14 211.03
01-15 181.77
01-16 153.85
01-17 135.03
01-18 115.13
01-19 108.57
01-20 111.98
01-21 105.91
01-22 94.35
01-23 87.61
01-24 116.58
01-25 132.78
01-26 170.1
01-27 184.93
01-28 161.68
01-29 147.61
01-30 120.59
01-31 112.42
02-01 135.31
02-02 110.01
02-03 94.9
02-04 88.86
02-05 90.87
02-06 94.58
02-07 95.14
02-08 114.78
02-09 127.79
02-10 106.59
02-11 95.72
02-12 93.68
02-13 91.92
02-14 88.76
02-15 80.91
02-16 90.4
02-17 131.65
02-18 109.15
02-19 100.91
02-20 105.36
02-21 117.74
02-22 112.8
02-23 106.92
02-24 107.3
02-25 121.57
02-26 143.05
02-27 145.36
02-28 140.86
02-29 175.75
03-01 130.55
03-02 125.99
03-03 139.46
03-04 144.16
03-05 139.14
03-06 180.35
03-07 199.2
03-08 190.99
03-09 199.13
03-10 206.24
03-11 205.06
03-12 189.83
03-13 228.39
03-14 196.89
03-15 170.14
03-16 166.5
03-17 165.76
03-18 176.02
03-19 176.21
03-20 170.76
03-21 160.71
03-22 155.19
03-23 166.67
03-24 183.72
03-25 180.05
03-26 173.07
03-27 160.05
03-28 155.98
03-29 168.06
03-30 194.33
03-31 226.08
04-01 229.29
04-02 223.73
04-03 227.16
04-04 270.65
04-05 284.18
04-06 240.19
04-07 247.94
04-08 347.86
04-09 326.25
04-10 241.76
04-11 232.92
04-12 197.21
04-13 187.15
04-14 181.31
04-15 178.74
04-16 221.06
04-17 204.78
04-18 175.19
04-19 149.79
04-20 148.28
04-21 158.64
04-22 181.36
04-23 158.09
04-24 144.41
04-25 126.34
04-26 131.18
04-27 159.3
04-28 165.43
04-29 141.46
04-30 126.66
05-01 222.71
05-02 242.85
05-03 186.61
05-04 169.28
05-05 192.68
05-06 229.29
05-07 304.29
05-08 201.99
05-09 177.68
05-10 186.47
05-11 171.21
05-12 148.51
05-13 139.99
05-14 153.27
05-15 155.66
05-16 189.24
05-17 209.4
05-18 176.34
05-19 155.39
05-20 167.93
05-21 164.7
05-22 130.77
05-23 134.68
05-24 145.22
05-25 132.37
05-26 118.17
05-27 102.39
05-28 93.54
05-29 85.49
05-30 91.29
05-31 91.49
06-01 98.62
06-02 94.53
06-03 83.81
06-04 79.76
06-05 74.87
06-06 70.81
06-07 79.03
06-08 76.22
06-09 69.35
06-10 68.51
06-11 66.85
06-12 79.39
06-13 72.91
06-14 107.75
06-15 109.45
06-16 87.31
06-17 81.74
06-18 73.45
06-19 91.82
06-20 79.09
06-21 75.65
06-22 80.34
06-23 85.73
06-24 137.46
06-25 105.56
06-26 79.1
06-27 69.8
06-28 81.85
06-29 231.01
06-30 123.91
07-01 93.89
07-02 91.99
07-03 78.16
07-04 77.79
07-05 72.57
07-06 62.88
07-07 57.13
07-08 52.01
07-09 53.02
07-10 52.41
07-11 50.01
07-12 52.87
07-13 59.33
07-14 60.01
07-15 70.9
07-16 66.77
07-17 54.52
07-18 53.69
07-19 55.34
07-20 48.06
07-21 44.16
07-22 41.16
07-23 39.33
07-24 38.51
07-25 42.31
07-26 58.52
07-27 53.59
07-28 46.44
07-29 44.36
07-30 49.17
07-31 44.35
08-01 42.38
08-02 39.3
08-03 40.62
08-04 49.44
08-05 62.29
08-06 55.61
08-07 48.19
08-08 72.94
08-09 79.36
08-10 89.48
08-11 68.66
08-12 63.42
08-13 59.21
08-14 58.46
08-15 70.88
08-16 89.18
08-17 75.15
08-18 66.4
08-19 71.58
08-20 62.43
08-21 51.28
08-22 49.49
08-23 60.04
08-24 78.82
08-25 59.22
08-26 59.89
08-27 51.02
08-28 45.17
08-29 121.4
08-30 77.96
08-31 87.71
09-01 64.86
09-02 119.43
09-03 87.28
09-04 63.06
09-05 50.21
09-06 48.49
09-07 65.26
09-08 165.82
09-09 133.56
09-10 89.53
09-11 163.54
09-12 114.17
09-13 74.55
09-14 66.39
09-15 59.42
09-16 54.14
09-17 56.79
09-18 49.39
09-19 50.02
09-20 52.73
09-21 46.26
09-22 43.0
09-23 38.66
09-24 90.61
09-25 119.2
09-26 142.14
09-27 114.85
09-28 107.66
09-29 184.64
09-30 170.65
10-01 97.61
10-02 74.02
10-03 70.24
10-04 62.96
10-05 114.93
10-06 110.16
10-07 89.5
10-08 76.31
10-09 70.32
10-10 59.01
10-11 52.58
10-12 53.27
10-13 51.19
10-14 50.59
10-15 58.75
10-16 61.42
10-17 72.25
10-18 67.07
10-19 59.29
10-20 109.89
10-21 85.51
10-22 70.02
10-23 61.42
10-24 60.93
10-25 58.92
10-26 56.76
10-27 204.11
10-28 138.61
10-29 122.51
10-30 122.96
10-31 155.99
11-01 151.4
11-02 141.29
11-03 119.32
11-04 108.27
11-05 84.09
11-06 85.28
11-07 86.57
11-08 82.35
11-09 75.25
11-10 75.7
11-11 80.36
11-12 86.43
11-13 103.75
11-14 106.21
11-15 98.04
11-16 89.71
11-17 88.17
11-18 84.21
11-19 78.1
11-20 74.96
11-21 78.26
11-22 73.5
11-23 79.67
11-24 121.88
11-25 104.68
11-26 99.12
11-27 116.17
11-28 146.84
11-29 130.34
11-30 124.04
12-01 134.02
12-02 134.23
12-03 131.15
12-04 129.0
12-05 122.34
12-06 110.57
12-07 115.81
12-08 147.69
12-09 135.95
12-10 116.43
12-11 125.33
12-12 125.14
12-13 108.61
12-14 100.01
12-15 98.95
12-16 94.69
12-17 102.33
12-18 108.08
12-19 234.85
12-20 162.85
12-21 132.16
12-22 211.71
12-23 202.79
12-24 217.22
12-25 214.0
12-26 269.56
12-27 199.2
12-28 163.9
12-29 172.22
12-30 175.14
12-31 183.47

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index