AQSQID: 550270001

Site Name: Horicon Wildlife Area

Location: Dodge Co, WI

Reporting: True, Located: True

Current AQI: 20.0

Dodge Co WI, US: 43.46611, -88.621109

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 20.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 20.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 2.2 μg/m3 (9) 18.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.16 ppb (2) 6.0 μg/m3 (5) 2.7 μg/m3 (11) 15.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 18.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 19.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 21.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 9.0 μg/m3 (8) 4.8 μg/m3 (20) 22.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 21.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 7.0 μg/m3 (6) 2.6 μg/m3 (11) 22.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.13 ppb (1) 4.0 μg/m3 (4) 1.8 μg/m3 (8) 32.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 5.0 μg/m3 (5) 1.9 μg/m3 (8) 31.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 30.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 29.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 4.0 μg/m3 (4) 1.3 μg/m3 (5) 28.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) 4.0 μg/m3 (4) 1.3 μg/m3 (5) 27.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 26.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 25.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 4.0 μg/m3 (4) 0.7 μg/m3 (3) 23.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 4.0 μg/m3 (4) 0.7 μg/m3 (3) 22.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) 4.0 μg/m3 (4) 0.6 μg/m3 (2) 20.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 18.0
 
May 20, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) 3.0 μg/m3 (3) 1.3 μg/m3 (5) 18.0
 
May 20, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 17.0
 
May 20, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 17.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 18.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) 2.0 μg/m3 (2) 0.9 μg/m3 (4) 18.0
 
May 20, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.13 ppb (1) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 6.0
 
May 20, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 2.0 μg/m3 (2) 1.5 μg/m3 (6) 18.0
 
May 20, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 18.0
 
May 20, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 16.0
 
May 20, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.15 ppb (2) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 16.0
 
May 20, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 18.0
 
May 20, 2019, 1 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 18.0
 
May 20, 2019, midnight N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 6.0 μg/m3 (5) 1.4 μg/m3 (6) 18.0
 
May 19, 2019, 11 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) 7.0 μg/m3 (6) 2.3 μg/m3 (10) 18.0
 
May 19, 2019, 10 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 9.0 μg/m3 (8) 2.6 μg/m3 (11) 19.0
 
May 19, 2019, 9 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 11.0 μg/m3 (10) 3.4 μg/m3 (14) 18.0
 
May 19, 2019, 8 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 10.0 μg/m3 (9) 3.5 μg/m3 (15) 22.0
 
May 19, 2019, 7 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.18 ppb (2) 9.0 μg/m3 (8) 2.5 μg/m3 (10) 41.0
 
May 19, 2019, 6 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.18 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 41.0
 
May 19, 2019, 5 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 16.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
May 19, 2019, 4 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
May 19, 2019, 3 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
May 19, 2019, 2 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 18.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
May 19, 2019, 1 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
May 19, 2019, noon N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
May 19, 2019, 11 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
May 19, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
May 19, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.17 ppb (2) 22.0 μg/m3 (20) 14.6 μg/m3 (56) 56.0
 
May 19, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
May 19, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
May 19, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
May 19, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.18 ppb (2) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
May 19, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
May 19, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
May 19, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 18.0 μg/m3 (16) 12.6 μg/m3 (51) 51.0
 
May 18, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
May 18, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 22.0 μg/m3 (20) 15.2 μg/m3 (57) 57.0
 
May 18, 2019, 9 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.26 ppb (3) 25.0 μg/m3 (23) 16.7 μg/m3 (60) 60.0
 
May 18, 2019, 8 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.25 ppb (3) 24.0 μg/m3 (22) 15.1 μg/m3 (57) 57.0
 
May 18, 2019, 7 p.m. N/A 0.6 ppb (1) N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
May 18, 2019, 6 p.m. N/A 0.6 ppb (1) N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 5 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
May 18, 2019, 4 p.m. N/A 0.4 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 19.0 μg/m3 (17) 10.8 μg/m3 (45) 45.0
 
May 18, 2019, 3 p.m. N/A 0.5 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 18.0 μg/m3 (16) 10.4 μg/m3 (43) 43.0
 
May 18, 2019, 2 p.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
May 18, 2019, 1 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 8.0 μg/m3 (7) 4.2 μg/m3 (18) 20.0
 
May 18, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 6.0 μg/m3 (5) 2.7 μg/m3 (11) 20.0
 
May 18, 2019, 11 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 21.0
 
May 18, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 5.0 μg/m3 (5) 2.5 μg/m3 (10) 22.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 22.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 22.0
 
May 18, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.15 ppb (2) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
May 18, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 25.0
 
May 18, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 25.0
 
May 18, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 5.0 μg/m3 (5) 2.1 μg/m3 (9) 26.0
 
May 18, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 5.0 μg/m3 (5) 2.1 μg/m3 (9) 26.0
 
May 18, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 7.0 μg/m3 (6) 2.7 μg/m3 (11) 25.0
 
May 18, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 25.0
 
May 18, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 6.0 μg/m3 (5) 2.1 μg/m3 (9) 28.0
 
May 17, 2019, 11 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) 7.0 μg/m3 (6) 2.6 μg/m3 (11) 27.0
 
May 17, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 7.0 μg/m3 (6) 2.2 μg/m3 (9) 29.0
 
May 17, 2019, 9 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 8.0 μg/m3 (7) 2.5 μg/m3 (10) 27.0
 
May 17, 2019, 8 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 7.0 μg/m3 (6) 2.2 μg/m3 (9) 27.0
 
May 17, 2019, 7 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 26.0
 
May 17, 2019, 6 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 6.0 μg/m3 (5) 2.2 μg/m3 (9) 26.0
 
May 17, 2019, 5 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 26.0
 
May 17, 2019, 4 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 27.0
 
May 17, 2019, 3 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 26.0
 
May 17, 2019, 2 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) 4.0 μg/m3 (4) 1.5 μg/m3 (6) 25.0
 
May 17, 2019, 1 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 23.0
 
May 17, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 22.0
 
May 17, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 21.0
 
May 17, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 22.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.4 μg/m3 (14) 22.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 23.0
 
May 17, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.13 ppb (1) 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
May 17, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 28.0
 
May 17, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
May 17, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 25.0 μg/m3 (23) 14.3 μg/m3 (55) 55.0
 
May 17, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) 25.0 μg/m3 (23) 13.4 μg/m3 (53) 53.0
 
May 17, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 24.0 μg/m3 (22) 13.3 μg/m3 (53) 53.0
 
May 17, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) 23.0 μg/m3 (21) 11.7 μg/m3 (49) 49.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.23 ppb (3) 23.0 μg/m3 (21) 10.4 μg/m3 (43) 43.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 22.0 μg/m3 (20) 9.2 μg/m3 (38) 43.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 43.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 43.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.18 ppb (2) 10.0 μg/m3 (9) 4.3 μg/m3 (18) 43.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.19 ppb (2) 9.0 μg/m3 (8) 3.8 μg/m3 (16) 44.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 43.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.19 ppb (2) N/A N/A 37.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 32.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 15.0 μg/m3 (14) 9.4 μg/m3 (39) 39.0
 
May 16, 2019, 2 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 19.0 μg/m3 (17) 10.9 μg/m3 (45) 45.0
 
May 16, 2019, 1 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 19.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
May 16, 2019, noon N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 21.0 μg/m3 (19) 11.2 μg/m3 (47) 47.0
 
May 16, 2019, 11 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 21.0 μg/m3 (19) 12.3 μg/m3 (51) 51.0
 
May 16, 2019, 10 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 26.0 μg/m3 (24) 14.9 μg/m3 (56) 56.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.22 ppb (2) 27.0 μg/m3 (25) 19.6 μg/m3 (66) 66.0
 
May 16, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.23 ppb (3) 26.0 μg/m3 (24) 18.2 μg/m3 (63) 63.0
 
May 16, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) 26.0 μg/m3 (24) 18.2 μg/m3 (63) 63.0
 
May 16, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.21 ppb (2) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
May 16, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.21 ppb (2) 23.0 μg/m3 (21) 15.3 μg/m3 (57) 57.0
 
May 16, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.23 ppb (3) 22.0 μg/m3 (20) 14.8 μg/m3 (56) 56.0
 
May 16, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.24 ppb (3) 29.0 μg/m3 (26) 14.5 μg/m3 (55) 55.0
 
May 16, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.21 ppb (2) 21.0 μg/m3 (19) 10.6 μg/m3 (44) 44.0
 
May 16, 2019, midnight N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.21 ppb (2) 26.0 μg/m3 (24) 10.3 μg/m3 (43) 44.0
 
May 15, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.21 ppb (2) 23.0 μg/m3 (21) 10.4 μg/m3 (43) 45.0
 
May 15, 2019, 10 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.19 ppb (2) 25.0 μg/m3 (23) 8.5 μg/m3 (35) 44.0
 
May 15, 2019, 9 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.18 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 48.0
 
May 15, 2019, 8 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.18 ppb (2) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 47.0
 
May 15, 2019, 7 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.18 ppb (2) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 43.0
 
May 15, 2019, 6 p.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.19 ppb (2) 21.0 μg/m3 (19) 7.9 μg/m3 (33) 42.0
 
May 15, 2019, 5 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.19 ppb (2) 20.0 μg/m3 (18) 9.1 μg/m3 (38) 41.0
 
May 15, 2019, 4 p.m. N/A 0.2 ppb (0) N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 39.0
 
May 15, 2019, 3 p.m. N/A 0.2 ppb (0) N/A N/A N/A N/A 46.0 ppb (35) 0.33 ppb (4) 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
May 15, 2019, 2 p.m. N/A 0.3 ppb (0) N/A N/A N/A N/A 40.0 ppb (31) 0.35 ppb (4) 21.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
May 15, 2019, 1 p.m. N/A 1.7 ppb (2) N/A N/A N/A N/A 35.0 ppb (27) 0.21 ppb (2) 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
May 15, 2019, noon N/A 1.2 ppb (1) N/A N/A N/A N/A 30.0 ppb (23) 0.22 ppb (2) 22.0 μg/m3 (20) 11.1 μg/m3 (46) 46.0
 
May 15, 2019, 11 a.m. N/A 0.3 ppb (0) N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) 21.0 μg/m3 (19) 11.2 μg/m3 (47) 47.0
 
May 15, 2019, 10 a.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A 22.0 μg/m3 (20) 10.9 μg/m3 (45) 45.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
May 15, 2019, 7 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.22 ppb (2) 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
May 15, 2019, 6 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 19.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
May 15, 2019, 5 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) 20.0 μg/m3 (18) 8.5 μg/m3 (35) 35.0
 
May 15, 2019, 4 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 20.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
May 15, 2019, 3 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 24.0 μg/m3 (22) 9.4 μg/m3 (39) 39.0
 
May 15, 2019, 2 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
May 15, 2019, 1 a.m. N/A 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 25.0 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
May 15, 2019, midnight N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.19 ppb (2) 25.0 μg/m3 (23) 7.3 μg/m3 (30) 44.0
 
May 14, 2019, 11 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.17 ppb (2) 19.0 μg/m3 (17) 6.5 μg/m3 (27) 46.0
 
May 14, 2019, 10 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.17 ppb (2) 18.0 μg/m3 (16) 6.1 μg/m3 (25) 47.0
 
May 14, 2019, 9 p.m. N/A 0.1 ppb (0) N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.17 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 48.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.17 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 47.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.18 ppb (2) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 47.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.17 ppb (2) 13.0 μg/m3 (12) 5.8 μg/m3 (24) 45.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.18 ppb (2) 15.0 μg/m3 (14) 6.1 μg/m3 (25) 44.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.19 ppb (2) 22.0 μg/m3 (20) 7.4 μg/m3 (31) 42.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 27.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) 20.0 μg/m3 (18) 9.4 μg/m3 (39) 39.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0