AQSQID: 401359021

Site Name: Roland

Location: Roland (Cherokee Blvd), OK

Reporting: True, Located: True

Current AQI: 25.0

Roland (Cherokee Blvd) OK, US: 35.408138, -94.524414

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 28, 2020, 1 p.m. 10.0 ppb (9) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, noon 11.0 ppb (10) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 11 a.m. 13.0 ppb (12) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 10 a.m. 9.0 ppb (8) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, 9 a.m. 18.0 ppb (17) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 8 a.m. 26.0 ppb (24) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, 7 a.m. 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, 6 a.m. 8.0 ppb (7) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 5 a.m. 11.0 ppb (10) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 4 a.m. 10.0 ppb (9) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 3 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 2 a.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, 1 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, midnight 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, 11 p.m. 19.0 ppb (18) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 18.0
 
Jan. 27, 2020, 10 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 5.0
 
Jan. 27, 2020, 9 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0
 
Jan. 27, 2020, 8 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 7 p.m. 9.0 ppb (8) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 6 p.m. 11.0 ppb (10) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 5 p.m. 9.0 ppb (8) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 4 p.m. 9.0 ppb (8) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 3 p.m. 11.0 ppb (10) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 2 p.m. 25.0 ppb (23) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 1 p.m. 19.0 ppb (18) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 27, 2020, noon 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
Jan. 27, 2020, 11 a.m. 26.0 ppb (24) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 24.0
 
Jan. 27, 2020, 10 a.m. 37.0 ppb (34) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 34.0
 
Jan. 27, 2020, 9 a.m. 14.0 ppb (13) N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, 8 a.m. 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 7 a.m. 14.0 ppb (13) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 27, 2020, 6 a.m. 24.0 ppb (22) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 5 a.m. 33.0 ppb (31) N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 27, 2020, 4 a.m. 8.0 ppb (7) N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 27, 2020, 3 a.m. 38.0 ppb (35) N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, 2 a.m. 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 27, 2020, 1 a.m. 51.0 ppb (47) N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 47.0
 
Jan. 27, 2020, midnight 16.0 ppb (15) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 11 p.m. 14.0 ppb (13) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 13.0
 
Jan. 26, 2020, 10 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 9 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 8 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 7 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 6 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 26, 2020, 5 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 4 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 3 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 2 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 1 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, noon 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 11 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 10 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 9 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 8 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 7 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 6 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 5 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 4 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 3 a.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 2 a.m. 9.0 ppb (8) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 1 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, midnight 7.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 11 p.m. 8.0 ppb (7) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 10 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 25, 2020, 9 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 25, 2020, 8 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 25, 2020, 7 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 25, 2020, 6 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 4.0
 
Jan. 25, 2020, 5 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 4 p.m. 8.0 ppb (7) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 3 p.m. 7.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 2 p.m. 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 19.0
 
Jan. 25, 2020, 1 p.m. 15.0 ppb (14) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, noon 15.0 ppb (14) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 11 a.m. 18.0 ppb (17) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 10 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 9 a.m. 18.0 ppb (17) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 8 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 7 a.m. 18.0 ppb (17) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 6 a.m. 13.0 ppb (12) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 5 a.m. 13.0 ppb (12) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 4 a.m. 11.0 ppb (10) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 3 a.m. 10.0 ppb (9) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 9.0
 
Jan. 25, 2020, 2 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 25, 2020, 1 a.m. 7.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, midnight 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 11 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 24, 2020, 10 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 9 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 8 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 7 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 24, 2020, 6 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 24, 2020, 5 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 4 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 3 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 2 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 1 p.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, noon 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 11 a.m. 1.0 ppb (1) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 24, 2020, 10 a.m. 1.0 ppb (1) N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 9 a.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 8 a.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 7 a.m. 1.0 ppb (1) N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 6 a.m. 1.0 ppb (1) N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 5 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 4 a.m. 2.0 ppb (2) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 3 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 2 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 1 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, midnight 10.0 ppb (9) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 11 p.m. 21.0 ppb (19) N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
Jan. 23, 2020, 10 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 9 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0
 
Jan. 23, 2020, 8 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 7 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 6 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 6.0
 
Jan. 23, 2020, 5 p.m. 7.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 6.0
 
Jan. 23, 2020, 4 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 6.0
 
Jan. 23, 2020, 3 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 6.0
 
Jan. 23, 2020, 2 p.m. 8.0 ppb (7) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 7.0
 
Jan. 23, 2020, 1 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 6.0
 
Jan. 23, 2020, noon 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 11 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 10 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 9 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 8 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0
 
Jan. 23, 2020, 7 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 6 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 5 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 4 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 3 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 2 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 1 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, midnight 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 11 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 10 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 9 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 8 p.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 7 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 6 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 5 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 4 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 3 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 2 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 1 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, noon 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 11 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 10 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 9 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 8 a.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 7 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 6 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 5 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 4 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 3 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 2 a.m. 6.0 ppb (6) N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 1 a.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, midnight 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 11 p.m. 5.0 ppb (5) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 8 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 7 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 6 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 5 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 4 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 3 p.m. 3.0 ppb (3) N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 2 p.m. 4.0 ppb (4) N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0