AQSQID: 300810007

Site Name: Hamilton Ps 46

Location: Hamilton (Madison St), MT

Reporting: True, Located: True

Current AQI: 26.0

Hamilton (Madison St) MT, US: 46.243621, -114.158889

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.9 μg/m3 (0) N/A
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.2 μg/m3 (0) N/A
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.9 μg/m3 (0) N/A
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.7 μg/m3 (0) N/A
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.7 μg/m3 (0) N/A
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) N/A
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.9 μg/m3 (0) N/A
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.9 μg/m3 (0) N/A
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.4 μg/m3 (0) N/A
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.4 μg/m3 (0) N/A
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.6 μg/m3 (0) N/A
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.9 μg/m3 (0) N/A
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.9 μg/m3 (0) N/A
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.7 μg/m3 (0) N/A
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.4 μg/m3 (0) N/A
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) N/A
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.2 μg/m3 (0) N/A
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.7 μg/m3 (0) N/A
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) N/A
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.4 μg/m3 (0) N/A
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) N/A
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.4 μg/m3 (0) N/A
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.9 μg/m3 (0) N/A
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.7 μg/m3 (0) N/A
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.2 μg/m3 (0) N/A
May 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) N/A
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.9 μg/m3 (0) N/A
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.9 μg/m3 (0) N/A
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.6 μg/m3 (0) N/A
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) N/A
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.4 μg/m3 (0) N/A
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.9 μg/m3 (0) N/A
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.7 μg/m3 (0) N/A
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) N/A
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.4 μg/m3 (0) N/A
May 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) N/A
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.4 μg/m3 (0) N/A
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) N/A
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0