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Air Quality Alert
None

MNZ055-056-065-075-083>085-171600- Blue Earth-Chippewa-Nicollet-Renville-Steele-Swift-Waseca- Including the Tribal Nation of Upper Sioux Including the city of Mankato ...AIR QUALITY ALERT REMAINS IN EFFECT UNTIL 11 AM CDT FRIDAY... * WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Portions of central Minnesota. * WHEN...Until 11 AM CDT Friday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Dense smoke is being pulled by a quasi- stationary front across southern Minnesota. Smoke will arrive Minnesota River Valley overnight Wednesday into Thursday. The smoke will have a rapid onset with visibility rapidly declining. There will be a sharp gradient of smoke, with some areas of the same counties experiencing Good/Green air quality while other experience Red/Unhealthy for All conditions. Conditions will gradually improve by Friday morning as the front retreats northward.

Minnesota River At Mankato, Mn 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 4510.0
01-02 4375.0
01-03 4285.0
01-04 4390.0
01-05 4460.0
01-06 4795.0
01-07 5160.0
01-08 3140.0
01-09 3150.0
01-10 3030.0
01-11 3140.0
01-12 3060.0
01-13 2950.0
01-14 3170.0
01-15 3720.0
02-27 285.0
02-28 282.0
03-01 282.0
03-03 4551.0
03-04 8760.0
03-05 5460.0
03-06 3559.5
03-07 4840.0
03-08 5163.33
03-09 5600.0
03-10 6530.0
03-11 5405.0
03-12 4415.0
03-13 4443.33
03-14 7174.29
03-15 6728.75
03-16 6770.0
03-17 6632.22
03-18 6228.89
03-19 6226.0
03-20 5925.56
03-21 6498.0
03-22 4844.44
03-23 11921.67
03-24 11720.83
03-25 11676.67
03-26 11621.67
03-27 11789.17
03-28 12075.83
03-29 11933.85
03-30 12599.17
03-31 12415.0
04-01 12699.23
04-02 12860.77
04-03 12612.31
04-04 12425.71
04-05 12045.0
04-06 11512.86
04-07 11452.0
04-08 11204.0
04-09 8547.14
04-10 10853.33
04-11 11181.54
04-12 10892.14
04-13 10957.86
04-14 11136.43
04-15 11933.85
04-16 12446.15
04-17 12769.23
04-18 13749.17
04-19 14052.5
04-20 13576.92
04-21 13198.57
04-22 14142.31
04-23 14527.69
04-24 14392.86
04-25 12803.08
04-26 14685.0
04-27 14522.14
04-28 14267.14
04-29 14326.43
04-30 14352.86
05-01 15167.33
05-02 15235.71
05-03 14811.43
05-04 14321.43
05-05 13926.67
05-06 13444.0
05-07 13342.67
05-08 12972.86
05-09 12972.0
05-10 12182.86
05-11 12818.67
05-12 13240.67
05-13 13786.0
05-14 14312.14
05-15 15134.29
05-16 15453.57
05-17 15763.57
05-18 15399.33
05-19 15587.33
05-20 16021.43
05-21 14949.33
05-22 15341.43
05-23 15300.0
05-24 15005.0
05-25 14615.33
05-26 14558.0
05-27 14502.0
05-28 14553.33
05-29 15268.57
05-30 15493.57
05-31 15150.67
06-01 14764.0
06-02 14305.33
06-03 14093.33
06-04 13704.67
06-05 13625.0
06-06 12962.86
06-07 12346.43
06-08 11250.0
06-09 11165.33
06-10 11316.0
06-11 11246.0
06-12 11286.43
06-13 11163.57
06-14 11310.71
06-15 11514.67
06-16 12009.33
06-17 12578.67
06-18 13419.33
06-19 13882.14
06-20 14374.29
06-21 15190.71
06-22 16019.29
06-23 17886.15
06-24 18846.15
06-25 19344.62
06-26 19301.54
06-27 18210.0
06-28 17606.43
06-29 16822.14
06-30 16315.0
07-01 15611.43
07-02 15031.43
07-03 14916.43
07-04 14657.14
07-05 13466.0
07-06 13096.0
07-07 14523.57
07-08 14507.14
07-09 14137.86
07-10 13124.0
07-11 12461.33
07-12 11642.67
07-13 10044.29
07-14 10382.0
07-15 9899.33
07-16 10636.92
07-17 10022.14
07-18 9765.0
07-19 8551.54
07-20 8754.62
07-21 10246.43
07-22 10167.86
07-23 9731.5
07-24 9602.21
07-25 8254.69
07-26 9155.57
07-27 8947.29
07-28 8570.07
07-29 8128.36
07-30 7438.43
07-31 7332.64
08-01 6257.67
08-02 5963.71
08-03 5689.07
08-04 5412.93
08-05 5152.93
08-06 4870.71
08-07 4758.5
08-08 4782.31
08-09 4660.31
08-10 4261.08
08-11 4293.36
08-12 4524.0
08-13 4802.36
08-14 4816.14
08-15 4685.79
08-16 4426.08
08-17 4408.23
08-18 4985.92
08-19 5622.69
08-20 6499.0
08-21 6842.17
08-22 7177.45
08-23 6875.86
08-24 6408.85
08-25 6263.85
08-26 6668.29
08-27 6333.43
08-28 5982.64
08-29 5685.57
08-30 5293.07
08-31 5000.54
09-01 4811.43
09-02 4662.5
09-03 4422.21
09-04 4270.43
09-05 4157.64
09-06 4342.29
09-07 4729.79
09-08 4965.0
09-09 5040.71
09-10 4930.57
09-11 4730.71
09-12 4430.71
09-13 4455.29
09-14 4728.92
09-15 4632.54
09-16 4724.92
09-17 4867.31
09-18 4894.69
09-19 4900.08
09-20 4496.21
09-21 5097.71
09-22 5956.46
09-23 6737.36
09-24 7380.57
09-25 8224.62
09-26 8237.62
09-27 7924.54
09-28 8103.08
09-29 7010.0
09-30 6470.08
10-01 5066.82
10-02 4460.67
10-03 4270.46
10-04 4388.38
10-05 5360.79
10-06 6009.64
10-07 6675.43
10-08 7087.57
10-09 7178.5
10-10 7225.07
10-11 7525.14
10-12 7458.5
10-13 7340.07
10-14 7140.0
10-15 7374.54
10-16 6625.5
10-17 6825.54
10-18 6169.64
10-19 5912.64
10-20 5645.07
10-21 4445.42
10-22 5313.36
10-23 5380.07
10-24 5903.38
10-25 5890.23
10-26 5449.29
10-27 5693.07
10-28 5921.93
10-29 5966.43
10-30 5865.71
10-31 5739.36
11-01 5511.14
11-02 5547.08
11-03 5123.14
11-04 4969.86
11-05 4776.07
11-06 3823.23
11-07 3697.46
11-08 3628.15
11-09 3563.23
11-10 3478.15
11-11 3401.85
11-12 3409.23
11-13 3462.69
11-14 4027.86
11-15 4221.54
11-16 4187.62
11-17 4059.23
11-18 3902.58
11-19 3767.33
11-20 3704.58
11-21 3908.85
11-22 4211.0
11-23 4220.08
11-24 4435.0
11-25 4407.0
11-26 4425.18
11-27 4615.5
11-28 3997.1
11-29 4042.0
11-30 4038.6
12-01 4105.3
12-02 4101.8
12-03 4179.9
12-04 4176.5
12-05 4565.89
12-06 3535.38
12-07 4359.44
12-08 4723.25
12-09 5254.0
12-10 5161.5
12-11 4653.33
12-12 5875.17
12-13 2898.0
12-14 1992.33
12-15 2203.0
12-16 3560.0
12-17 7205.0
12-18 7470.0
12-19 7700.0
12-20 4170.0
12-21 4060.0
12-22 6215.0
12-23 5825.0
12-24 5630.0
12-25 5365.0
12-26 5145.0
12-27 4850.0
12-28 4600.0
12-29 3110.0
12-30 4285.0
12-31 4425.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index