AQSQID: 360337003

Site Name: St Regis Mohawk-Ny

Location: Franklin Co, NY

Reporting: True, Located: True

Current AQI: 3.0

Franklin Co NY, US: 44.980598, -74.695297

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 3 p.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 21, 2019, 2 p.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.4 μg/m3 (70) 70.0
 
May 21, 2019, 1 p.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 21, 2019, noon 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
May 21, 2019, 11 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 21, 2019, 10 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 21, 2019, 9 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.2 μg/m3 (5) 5.0
 
May 21, 2019, 8 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.9 μg/m3 (69) 69.0
 
May 21, 2019, 7 a.m. 2.1 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 21, 2019, 6 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
May 21, 2019, 5 a.m. 2.2 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 21, 2019, 4 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 19.7 μg/m3 (66) 66.0
 
May 21, 2019, 3 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.0 μg/m3 (8) 8.0
 
May 21, 2019, 2 a.m. 2.2 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 23.1 μg/m3 (74) 74.0
 
May 21, 2019, 1 a.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.4 μg/m3 (10) 10.0
 
May 21, 2019, midnight 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 25.6 μg/m3 (79) 79.0
 
May 20, 2019, 11 p.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.3 μg/m3 (5) 5.0
 
May 20, 2019, 10 p.m. 2.1 ppb (2) -7.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.4 μg/m3 (68) 68.0
 
May 20, 2019, 9 p.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 1.7 μg/m3 (7) 7.0
 
May 20, 2019, 8 p.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 20, 2019, 7 p.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 1.8 μg/m3 (8) 8.0
 
May 20, 2019, 6 p.m. 2.1 ppb (2) -6.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 22.3 μg/m3 (72) 72.0
 
May 20, 2019, 5 p.m. 2.0 ppb (2) -2.8 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 2.1 μg/m3 (9) 9.0
 
May 20, 2019, 4 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 22.3 μg/m3 (72) 72.0
 
May 20, 2019, 3 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 1.2 μg/m3 (5) 5.0
 
May 20, 2019, 2 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 22.1 μg/m3 (71) 71.0
 
May 20, 2019, 1 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 3.3 μg/m3 (14) 14.0
 
May 20, 2019, noon 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 26.6 μg/m3 (81) 81.0
 
May 20, 2019, 11 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 10 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 29.0 μg/m3 (86) 86.0
 
May 20, 2019, 9 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 1.6 μg/m3 (7) 7.0
 
May 20, 2019, 8 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 31.1 μg/m3 (91) 91.0
 
May 20, 2019, 7 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 3.4 μg/m3 (14) 14.0
 
May 20, 2019, 6 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 26.6 μg/m3 (81) 81.0
 
May 20, 2019, 5 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 4 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 25.3 μg/m3 (78) 78.0
 
May 20, 2019, 3 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 20, 2019, 2 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 27.8 μg/m3 (84) 84.0
 
May 20, 2019, 1 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 2.9 μg/m3 (12) 12.0
 
May 20, 2019, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 26.1 μg/m3 (80) 80.0
 
May 19, 2019, 11 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 3.2 μg/m3 (13) 13.0
 
May 19, 2019, 10 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 23.6 μg/m3 (75) 75.0
 
May 19, 2019, 9 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.4 μg/m3 (6) 6.0
 
May 19, 2019, 8 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.9 μg/m3 (71) 71.0
 
May 19, 2019, 7 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.8 μg/m3 (12) 12.0
 
May 19, 2019, 6 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 25.6 μg/m3 (79) 79.0
 
May 19, 2019, 5 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.9 μg/m3 (8) 8.0
 
May 19, 2019, 4 p.m. 2.1 ppb (2) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 26.8 μg/m3 (81) 81.0
 
May 19, 2019, 3 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.7 μg/m3 (11) 11.0
 
May 19, 2019, 2 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 24.5 μg/m3 (77) 77.0
 
May 19, 2019, 1 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.7 μg/m3 (11) 11.0
 
May 19, 2019, noon 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 25.1 μg/m3 (78) 78.0
 
May 19, 2019, 11 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.4 μg/m3 (27) 27.0
 
May 19, 2019, 10 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 23.2 μg/m3 (74) 74.0
 
May 19, 2019, 9 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.9 μg/m3 (8) 8.0
 
May 19, 2019, 8 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 22.4 μg/m3 (72) 72.0
 
May 19, 2019, 7 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 19, 2019, 6 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 26.1 μg/m3 (80) 80.0
 
May 19, 2019, 5 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 3.1 μg/m3 (13) 13.0
 
May 19, 2019, 4 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 27.7 μg/m3 (83) 83.0
 
May 19, 2019, 3 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 2.3 μg/m3 (10) 10.0
 
May 19, 2019, 2 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 29.8 μg/m3 (88) 88.0
 
May 19, 2019, 1 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.7 μg/m3 (11) 11.0
 
May 19, 2019, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 25.5 μg/m3 (79) 79.0
 
May 18, 2019, 11 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.3 μg/m3 (10) 10.0
 
May 18, 2019, 10 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 18, 2019, 9 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.4 μg/m3 (6) 6.0
 
May 18, 2019, 8 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 18, 2019, 7 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.7 μg/m3 (7) 7.0
 
May 18, 2019, 6 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.0 μg/m3 (69) 69.0
 
May 18, 2019, 5 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 18, 2019, 4 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 17.9 μg/m3 (63) 63.0
 
May 18, 2019, 3 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 18, 2019, 2 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
May 18, 2019, 1 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.8 μg/m3 (3) 3.0
 
May 18, 2019, noon 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
May 18, 2019, 11 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 18, 2019, 10 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 21.6 μg/m3 (70) 70.0
 
May 18, 2019, 9 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 18, 2019, 8 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 22.2 μg/m3 (72) 72.0
 
May 18, 2019, 7 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 18, 2019, 6 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.3 μg/m3 (70) 70.0
 
May 18, 2019, 5 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 18, 2019, 4 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 22.4 μg/m3 (72) 72.0
 
May 18, 2019, 3 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 18, 2019, 2 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.5 μg/m3 (68) 68.0
 
May 18, 2019, 1 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 18, 2019, midnight 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.9 μg/m3 (71) 71.0
 
May 17, 2019, 11 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 17, 2019, 10 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.4 μg/m3 (70) 70.0
 
May 17, 2019, 9 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.6 μg/m3 (7) 7.0
 
May 17, 2019, 8 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 23.8 μg/m3 (75) 75.0
 
May 17, 2019, 7 p.m. 2.0 ppb (2) 3.7 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.5 μg/m3 (6) 6.0
 
May 17, 2019, 6 p.m. 2.1 ppb (2) 1.8 ppb (2) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 27.3 μg/m3 (83) 83.0
 
May 17, 2019, 5 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 3.4 μg/m3 (14) 14.0
 
May 17, 2019, 4 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 27.2 μg/m3 (82) 82.0
 
May 17, 2019, 3 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 2.4 μg/m3 (10) 10.0
 
May 17, 2019, 2 p.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 24.0 μg/m3 (76) 76.0
 
May 17, 2019, 1 p.m. 2.1 ppb (2) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 2.5 μg/m3 (10) 10.0
 
May 17, 2019, noon 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 20.2 μg/m3 (67) 67.0
 
May 17, 2019, 11 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 17, 2019, 10 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.4 μg/m3 (70) 70.0
 
May 17, 2019, 9 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 17, 2019, 8 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 21.0 μg/m3 (69) 69.0
 
May 17, 2019, 7 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 17, 2019, 6 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 24.5 μg/m3 (77) 77.0
 
May 17, 2019, 5 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 17, 2019, 4 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
May 17, 2019, 3 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.8 μg/m3 (3) 3.0
 
May 17, 2019, 2 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 23.2 μg/m3 (74) 74.0
 
May 17, 2019, 1 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 2.0 μg/m3 (8) 8.0
 
May 17, 2019, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 25.4 μg/m3 (79) 79.0
 
May 16, 2019, 11 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.9 μg/m3 (8) 8.0
 
May 16, 2019, 10 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
May 16, 2019, 9 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.1 μg/m3 (5) 5.0
 
May 16, 2019, 8 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 21.9 μg/m3 (71) 71.0
 
May 16, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 0.8 μg/m3 (3) 3.0
 
May 16, 2019, 6 p.m. 1.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 19.2 μg/m3 (65) 65.0
 
May 16, 2019, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 16, 2019, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 19.4 μg/m3 (66) 66.0
 
May 16, 2019, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 0.9 μg/m3 (4) 4.0
 
May 16, 2019, 2 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 22.5 μg/m3 (72) 72.0
 
May 16, 2019, 1 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.8 μg/m3 (3) 3.0
 
May 16, 2019, noon 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 19.3 μg/m3 (66) 66.0
 
May 16, 2019, 11 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 16, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.5 μg/m3 (68) 68.0
 
May 16, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 16, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 18.7 μg/m3 (64) 64.0
 
May 16, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 16, 2019, 6 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 24.0 μg/m3 (76) 76.0
 
May 16, 2019, 5 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 16, 2019, 4 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 23.5 μg/m3 (74) 74.0
 
May 16, 2019, 3 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.4 μg/m3 (6) 6.0
 
May 16, 2019, 2 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 22.9 μg/m3 (73) 73.0
 
May 16, 2019, 1 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.4 μg/m3 (6) 6.0
 
May 16, 2019, midnight 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 25.0 μg/m3 (78) 78.0
 
May 15, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.7 μg/m3 (7) 7.0
 
May 15, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
May 15, 2019, 9 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 2.1 μg/m3 (9) 9.0
 
May 15, 2019, 8 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 26.0 μg/m3 (80) 80.0
 
May 15, 2019, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.3 μg/m3 (5) 5.0
 
May 15, 2019, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 20.0 μg/m3 (67) 67.0
 
May 15, 2019, 5 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 15, 2019, 4 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 20.9 μg/m3 (69) 69.0
 
May 15, 2019, 3 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 1.3 μg/m3 (5) 5.0
 
May 15, 2019, 2 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 20.9 μg/m3 (69) 69.0
 
May 15, 2019, 1 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 15, 2019, noon 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 20.7 μg/m3 (69) 69.0
 
May 15, 2019, 11 a.m. 0.2 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 15, 2019, 10 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 24.4 μg/m3 (76) 76.0
 
May 15, 2019, 9 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 15, 2019, 8 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 20.4 μg/m3 (68) 68.0
 
May 15, 2019, 7 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 15, 2019, 6 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 24.0 μg/m3 (76) 76.0
 
May 15, 2019, 5 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.0 μg/m3 (4) 4.0
 
May 15, 2019, 4 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 15, 2019, 3 a.m. 0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 15, 2019, 2 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.5 μg/m3 (70) 70.0
 
May 15, 2019, 1 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 15, 2019, midnight 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
May 14, 2019, 11 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 14, 2019, 10 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.5 μg/m3 (68) 68.0
 
May 14, 2019, 9 p.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.8 μg/m3 (3) 3.0
 
May 14, 2019, 8 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 19.0 μg/m3 (65) 65.0
 
May 14, 2019, 7 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 0.7 μg/m3 (3) 3.0
 
May 14, 2019, 6 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 9.0 ppb (13) 3.0 ppb (2) N/A N/A 19.6 μg/m3 (66) 66.0
 
May 14, 2019, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 0.6 μg/m3 (2) 3.0
 
May 14, 2019, 4 p.m. 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 22.3 μg/m3 (72) 72.0