AQSQID: 171613002

Site Name: Rock_Is

Location: Rock Is Co, IL

Reporting: True, Located: True

Current AQI: 49.0

Rock Is Co IL, US: 41.5144, -90.5172

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 11.3 μg/m3 (47) 47.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.6 μg/m3 (11) 20.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.3 μg/m3 (1) 21.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 12.9 μg/m3 (52) 52.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 19.4 μg/m3 (66) 66.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 19.2 μg/m3 (65) 65.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 16.6 μg/m3 (60) 60.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A N/A 4.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.2 μg/m3 (13) 13.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.9 μg/m3 (37) 37.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.7 μg/m3 (15) 15.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.4 μg/m3 (14) 14.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -5.8 μg/m3 (0) N/A
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.6 μg/m3 (7) 7.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.1 μg/m3 (5) 5.0
 
Jan. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.6 μg/m3 (11) 11.0
 
Jan. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.5 μg/m3 (35) 35.0