AQSQID: 410510080

Site Name: Portland - Se Lafayette

Location: Portland (Foster-Powell), OR

Reporting: True, Located: True

Current AQI: 52.0

Portland (Foster-Powell) OR, US: 45.496641, -122.602877

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 29, 2019, 6 p.m. 5.6 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.4 μg/m3 (14) 19.0
 
Nov. 29, 2019, 5 p.m. 13.1 ppb (12) 6.6 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.6 μg/m3 (19) 19.0
 
Nov. 29, 2019, 4 p.m. 46.6 ppb (43) 25.3 ppb (23) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 9.3 μg/m3 (39) 43.0
 
Nov. 29, 2019, 3 p.m. 26.7 ppb (25) 8.2 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 29, 2019, 2 p.m. 9.7 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 4.7 μg/m3 (20) 20.0
 
Nov. 29, 2019, 1 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
Nov. 29, 2019, noon 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.4 μg/m3 (14) 18.0
 
Nov. 29, 2019, 11 a.m. 4.9 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
Nov. 29, 2019, 10 a.m. 6.3 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.4 μg/m3 (14) 17.0
 
Nov. 29, 2019, 9 a.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.4 μg/m3 (14) 17.0
 
Nov. 29, 2019, 8 a.m. 4.9 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
Nov. 29, 2019, 7 a.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.6 μg/m3 (15) 18.0
 
Nov. 29, 2019, 6 a.m. 4.8 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
Nov. 29, 2019, 5 a.m. 5.3 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
Nov. 29, 2019, 4 a.m. 5.6 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.6 μg/m3 (19) 19.0
 
Nov. 29, 2019, 3 a.m. 5.7 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
Nov. 29, 2019, 2 a.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Nov. 29, 2019, 1 a.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.9 μg/m3 (16) 19.0
 
Nov. 29, 2019, midnight 4.9 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
Nov. 28, 2019, 11 p.m. 4.4 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.4 μg/m3 (14) 20.0
 
Nov. 28, 2019, 10 p.m. 4.3 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.2 μg/m3 (13) 20.0
 
Nov. 28, 2019, 9 p.m. 4.1 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
Nov. 28, 2019, 8 p.m. 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.7 μg/m3 (11) 20.0
 
Nov. 28, 2019, 7 p.m. 4.3 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
Nov. 28, 2019, 6 p.m. 4.3 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.5 μg/m3 (10) 20.0
 
Nov. 28, 2019, 5 p.m. 4.8 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 8.3 ppb (88) N/A 2.6 μg/m3 (11) 88.0
 
Nov. 28, 2019, 4 p.m. 4.5 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) N/A 2.7 μg/m3 (11) 19.0
 
Nov. 28, 2019, 3 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.7 ppb (8) N/A 2.7 μg/m3 (11) 20.0
 
Nov. 28, 2019, 2 p.m. 4.0 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.6 μg/m3 (11) 20.0
 
Nov. 28, 2019, 1 p.m. 3.5 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
Nov. 28, 2019, noon 3.3 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
Nov. 28, 2019, 11 a.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) N/A 2.4 μg/m3 (10) 22.0
 
Nov. 28, 2019, 10 a.m. 3.5 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 22.0
 
Nov. 28, 2019, 9 a.m. 3.4 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 5.3 ppb (58) N/A 2.7 μg/m3 (11) 58.0
 
Nov. 28, 2019, 8 a.m. 3.2 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Nov. 28, 2019, 7 a.m. 3.3 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.7 μg/m3 (11) 23.0
 
Nov. 28, 2019, 6 a.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
Nov. 28, 2019, 5 a.m. 4.0 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Nov. 28, 2019, 4 a.m. 4.6 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.6 μg/m3 (15) 22.0
 
Nov. 28, 2019, 2 a.m. 5.5 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
Nov. 28, 2019, 1 a.m. 6.4 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Nov. 28, 2019, midnight 6.9 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Nov. 27, 2019, 11 p.m. 7.0 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Nov. 27, 2019, 10 p.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
Nov. 27, 2019, 9 p.m. 5.6 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.4 μg/m3 (10) 23.0
 
Nov. 27, 2019, 8 p.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Nov. 27, 2019, 7 p.m. 5.3 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Nov. 27, 2019, 6 p.m. 6.0 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 27, 2019, 4 p.m. 8.7 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.6 μg/m3 (15) 20.0
 
Nov. 27, 2019, 3 p.m. 8.9 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Nov. 27, 2019, 2 p.m. 5.0 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
Nov. 27, 2019, 1 p.m. 4.0 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Nov. 27, 2019, noon 3.7 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 7.0 ppb (75) N/A 3.1 μg/m3 (13) 75.0
 
Nov. 27, 2019, 11 a.m. 3.6 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Nov. 27, 2019, 10 a.m. 3.7 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 7.0 ppb (75) N/A 3.3 μg/m3 (14) 75.0
 
Nov. 27, 2019, 9 a.m. 3.6 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 9.8 ppb (105) N/A 3.1 μg/m3 (13) 105.0
 
Nov. 27, 2019, 8 a.m. 3.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 6.2 ppb (67) N/A 3.1 μg/m3 (13) 67.0
 
Nov. 27, 2019, 7 a.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 6.2 ppb (67) N/A 2.9 μg/m3 (12) 67.0
 
Nov. 27, 2019, 6 a.m. 3.9 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 9.2 ppb (97) N/A 3.0 μg/m3 (12) 97.0
 
Nov. 27, 2019, 5 a.m. 4.1 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 11.3 ppb (130) N/A 3.5 μg/m3 (15) 130.0
 
Nov. 27, 2019, 4 a.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 13.2 ppb (162) N/A 3.1 μg/m3 (13) 162.0
 
Nov. 27, 2019, 3 a.m. 4.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 13.9 ppb (173) N/A 2.5 μg/m3 (10) 173.0
 
Nov. 27, 2019, 2 a.m. 5.2 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Nov. 27, 2019, 1 a.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
Nov. 27, 2019, midnight 6.7 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.3 μg/m3 (10) 23.0
 
Nov. 26, 2019, 11 p.m. 8.0 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
Nov. 26, 2019, 10 p.m. 9.5 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.4 μg/m3 (14) 18.0
 
Nov. 26, 2019, 9 p.m. 10.8 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
Nov. 26, 2019, 8 p.m. 11.2 ppb (10) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A 3.3 μg/m3 (14) 16.0
 
Nov. 26, 2019, 7 p.m. 12.9 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 26, 2019, 6 p.m. 12.9 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.6 μg/m3 (23) 23.0
 
Nov. 26, 2019, 5 p.m. 12.8 ppb (12) 2.4 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 3.3 μg/m3 (14) 14.0
 
Nov. 26, 2019, 4 p.m. 11.9 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 26, 2019, 3 p.m. 10.8 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 26, 2019, 2 p.m. 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 26, 2019, 1 p.m. 5.8 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 26, 2019, noon 5.7 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 26, 2019, 11 a.m. 6.2 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 26, 2019, 10 a.m. 5.7 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 26, 2019, 9 a.m. 6.9 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 26, 2019, 8 a.m. 8.7 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 26, 2019, 7 a.m. 10.8 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 26, 2019, 6 a.m. 11.1 ppb (10) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 26, 2019, 5 a.m. 16.3 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 26, 2019, 4 a.m. 15.4 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 26, 2019, 3 a.m. 12.3 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2019, 2 a.m. 12.9 ppb (12) 1.4 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
Nov. 26, 2019, 1 a.m. 11.7 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Nov. 26, 2019, midnight 10.6 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Nov. 25, 2019, 11 p.m. 8.1 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Nov. 25, 2019, 10 p.m. 7.7 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.4 μg/m3 (10) 23.0
 
Nov. 25, 2019, 9 p.m. 6.7 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Nov. 25, 2019, 8 p.m. 8.2 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.6 μg/m3 (11) 24.0
 
Nov. 25, 2019, 7 p.m. 10.2 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
Nov. 25, 2019, 6 p.m. 13.7 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 25, 2019, 5 p.m. 19.1 ppb (18) 5.6 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 6.2 μg/m3 (26) 26.0
 
Nov. 25, 2019, 4 p.m. 21.9 ppb (20) 6.2 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 6.6 μg/m3 (28) 28.0
 
Nov. 25, 2019, 3 p.m. 15.6 ppb (14) 2.6 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 25, 2019, 2 p.m. 10.8 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 7.8 μg/m3 (32) 32.0
 
Nov. 25, 2019, 1 p.m. 8.7 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 25, 2019, noon 7.7 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 25, 2019, 11 a.m. 6.0 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 8.1 μg/m3 (34) 34.0
 
Nov. 25, 2019, 10 a.m. 5.9 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 25, 2019, 9 a.m. 7.2 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 13.5 μg/m3 (53) 53.0
 
Nov. 25, 2019, 8 a.m. 8.0 ppb (7) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 17.8 μg/m3 (62) 62.0
 
Nov. 25, 2019, 7 a.m. 9.7 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 20.9 μg/m3 (69) 69.0
 
Nov. 25, 2019, 6 a.m. 17.9 ppb (17) 5.3 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 29.0 μg/m3 (86) 86.0
 
Nov. 25, 2019, 5 a.m. 29.2 ppb (27) 13.5 ppb (12) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 30.0 μg/m3 (88) 88.0
 
Nov. 25, 2019, 4 a.m. 28.7 ppb (27) 11.0 ppb (10) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 28.3 μg/m3 (85) 85.0
 
Nov. 25, 2019, 3 a.m. 24.2 ppb (22) 6.2 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 24.4 μg/m3 (76) 76.0
 
Nov. 25, 2019, 2 a.m. 21.5 ppb (20) 4.8 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.4 μg/m3 (68) 68.0
 
Nov. 25, 2019, 1 a.m. 23.5 ppb (22) 4.8 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.6 μg/m3 (68) 68.0
 
Nov. 25, 2019, midnight 17.6 ppb (16) 3.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 13.8 μg/m3 (54) 54.0
 
Nov. 24, 2019, 11 p.m. 12.4 ppb (11) 2.6 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 13.8 μg/m3 (54) 54.0
 
Nov. 24, 2019, 10 p.m. 11.5 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 13.6 μg/m3 (53) 53.0
 
Nov. 24, 2019, 9 p.m. 11.6 ppb (11) 3.3 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 24, 2019, 8 p.m. 12.2 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 17.1 μg/m3 (61) 61.0
 
Nov. 24, 2019, 7 p.m. 13.0 ppb (12) 4.4 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 19.6 μg/m3 (66) 66.0
 
Nov. 24, 2019, 6 p.m. 13.0 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 21.2 μg/m3 (70) 70.0
 
Nov. 24, 2019, 5 p.m. 12.7 ppb (12) 4.3 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 16.6 μg/m3 (60) 60.0
 
Nov. 24, 2019, 4 p.m. 26.1 ppb (24) 13.0 ppb (12) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 20.4 μg/m3 (68) 68.0
 
Nov. 24, 2019, 3 p.m. 28.7 ppb (27) 13.2 ppb (12) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 21.2 μg/m3 (70) 70.0
 
Nov. 24, 2019, 2 p.m. 19.9 ppb (18) 5.2 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 16.4 μg/m3 (59) 59.0
 
Nov. 24, 2019, 1 p.m. 11.0 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 24, 2019, noon 7.5 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 12.7 μg/m3 (51) 51.0
 
Nov. 24, 2019, 11 a.m. 9.9 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 14.9 μg/m3 (56) 56.0
 
Nov. 24, 2019, 10 a.m. 12.7 ppb (12) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 21.4 μg/m3 (70) 70.0
 
Nov. 24, 2019, 9 a.m. 14.2 ppb (13) 2.6 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 25.4 μg/m3 (79) 79.0
 
Nov. 24, 2019, 8 a.m. 14.4 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 29.3 μg/m3 (87) 87.0
 
Nov. 24, 2019, 7 a.m. 13.7 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 32.4 μg/m3 (93) 93.0
 
Nov. 24, 2019, 6 a.m. 25.1 ppb (23) 8.7 ppb (8) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 30.8 μg/m3 (90) 90.0
 
Nov. 24, 2019, 5 a.m. 48.5 ppb (45) 29.0 ppb (27) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 40.3 μg/m3 (112) 112.0
 
Nov. 24, 2019, 4 a.m. 99.2 ppb (98) 78.5 ppb (76) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 53.0 μg/m3 (144) 144.0
 
Nov. 24, 2019, 3 a.m. 119.9 ppb (104) 98.5 ppb (97) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 66.1 μg/m3 (156) 156.0
 
Nov. 24, 2019, 2 a.m. 89.4 ppb (88) 68.1 ppb (65) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 46.6 μg/m3 (128) 128.0
 
Nov. 24, 2019, 1 a.m. 74.0 ppb (71) 51.4 ppb (48) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 26.0 μg/m3 (80) 80.0
 
Nov. 24, 2019, midnight 43.6 ppb (40) 21.2 ppb (20) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 19.7 μg/m3 (66) 66.0
 
Nov. 23, 2019, 11 p.m. 37.8 ppb (35) 15.7 ppb (15) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 19.3 μg/m3 (66) 66.0
 
Nov. 23, 2019, 10 p.m. 50.4 ppb (47) 28.6 ppb (26) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 24.0 μg/m3 (76) 76.0
 
Nov. 23, 2019, 9 p.m. 43.8 ppb (41) 26.9 ppb (25) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 23.8 μg/m3 (75) 75.0
 
Nov. 23, 2019, 8 p.m. 45.9 ppb (42) 29.9 ppb (28) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 20.9 μg/m3 (69) 69.0
 
Nov. 23, 2019, 7 p.m. 25.5 ppb (24) 14.7 ppb (14) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 23, 2019, 6 p.m. 28.9 ppb (27) 18.7 ppb (17) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 13.6 μg/m3 (53) 53.0
 
Nov. 23, 2019, 5 p.m. 44.3 ppb (41) 30.8 ppb (29) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 17.7 μg/m3 (62) 62.0
 
Nov. 23, 2019, 4 p.m. 74.9 ppb (72) 61.0 ppb (57) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 20.0 μg/m3 (67) 72.0
 
Nov. 23, 2019, 3 p.m. 88.2 ppb (86) 74.4 ppb (72) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 20.1 μg/m3 (67) 86.0
 
Nov. 23, 2019, 2 p.m. 72.1 ppb (69) 59.3 ppb (56) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 19.7 μg/m3 (66) 69.0
 
Nov. 23, 2019, 1 p.m. 61.8 ppb (58) 48.8 ppb (45) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 19.2 μg/m3 (65) 65.0
 
Nov. 23, 2019, noon 59.3 ppb (56) 45.9 ppb (42) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 19.7 μg/m3 (66) 66.0
 
Nov. 23, 2019, 11 a.m. 42.2 ppb (39) 28.5 ppb (26) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 23, 2019, 10 a.m. 66.0 ppb (63) 51.6 ppb (48) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 22.5 μg/m3 (72) 72.0
 
Nov. 23, 2019, 9 a.m. 76.2 ppb (74) 60.4 ppb (57) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 28.7 μg/m3 (86) 86.0
 
Nov. 23, 2019, 8 a.m. 76.1 ppb (74) 58.5 ppb (55) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 30.3 μg/m3 (89) 89.0
 
Nov. 23, 2019, 7 a.m. 111.6 ppb (102) 90.4 ppb (89) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A N/A 102.0
 
Nov. 23, 2019, 6 a.m. 159.5 ppb (111) 136.0 ppb (107) N/A 24.0 ppb (22) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 80.5 μg/m3 (163) 163.0
 
Nov. 23, 2019, 5 a.m. 139.5 ppb (107) 115.2 ppb (103) N/A 24.0 ppb (22) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 56.6 μg/m3 (151) 151.0
 
Nov. 23, 2019, 4 a.m. 122.9 ppb (104) 96.8 ppb (96) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 42.0 μg/m3 (116) 116.0
 
Nov. 23, 2019, 3 a.m. 99.0 ppb (98) 73.2 ppb (70) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 27.0 μg/m3 (82) 98.0
 
Nov. 23, 2019, 2 a.m. 99.3 ppb (98) 72.8 ppb (70) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 21.9 μg/m3 (71) 98.0
 
Nov. 23, 2019, 1 a.m. 75.8 ppb (73) 49.5 ppb (46) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 18.5 μg/m3 (64) 73.0
 
Nov. 23, 2019, midnight 43.2 ppb (40) 18.7 ppb (17) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 18.7 μg/m3 (64) 64.0
 
Nov. 22, 2019, 11 p.m. 33.9 ppb (31) 13.6 ppb (13) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 22, 2019, 10 p.m. 32.4 ppb (30) 14.1 ppb (13) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 13.4 μg/m3 (53) 53.0
 
Nov. 22, 2019, 8 p.m. 27.4 ppb (25) 13.7 ppb (13) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 12.4 μg/m3 (51) 51.0
 
Nov. 22, 2019, 7 p.m. 27.3 ppb (25) 14.6 ppb (14) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 11.4 μg/m3 (48) 48.0
 
Nov. 22, 2019, 6 p.m. 22.9 ppb (21) 12.4 ppb (11) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 10.6 μg/m3 (44) 44.0
 
Nov. 22, 2019, 5 p.m. 46.4 ppb (43) 31.8 ppb (29) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 11.8 μg/m3 (49) 49.0
 
Nov. 22, 2019, 4 p.m. 77.5 ppb (75) 59.8 ppb (56) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 11.9 μg/m3 (50) 75.0