ID: 2645

AQSQID: 530530024

Site Name: Tacoma-S 36th St

Added: April 21, 2020, 6:24 p.m.

Updated: July 14, 2020, 12:35 p.m.

Location: Tacoma (S End), WA

Reporting: True, Located: True

Current AQI: 25.0

Tacoma (S End) WA, US: 47.22634, -122.46256

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 14, 2020, 11 a.m. 23.7 ppb (22) 5.1 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2020, 9 a.m. 10.0 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2020, 8 a.m. 11.6 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2020, 7 a.m. 10.5 ppb (10) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2020, 6 a.m. 11.6 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2020, 5 a.m. 10.3 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 14, 2020, 4 a.m. 13.2 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 12.0
 
July 14, 2020, 3 a.m. 21.4 ppb (20) 9.7 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 20.0
 
July 14, 2020, 2 a.m. 21.1 ppb (20) 10.8 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 20.0
 
July 14, 2020, 1 a.m. 17.7 ppb (16) 9.3 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 16.0
 
July 14, 2020, midnight 16.2 ppb (15) 8.6 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 15.0
 
July 13, 2020, 11 p.m. 14.2 ppb (13) 7.6 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 13.0
 
July 13, 2020, 10 p.m. 10.3 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 10.0
 
July 13, 2020, 9 p.m. 20.3 ppb (19) 11.3 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 19.0
 
July 13, 2020, 8 p.m. 21.7 ppb (20) 12.3 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 20.0
 
July 13, 2020, 7 p.m. 24.7 ppb (23) 14.8 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 6 p.m. 26.4 ppb (24) 16.4 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 24.0
 
July 13, 2020, 5 p.m. 24.7 ppb (23) 15.8 ppb (15) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 4 p.m. 27.8 ppb (26) 17.5 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 26.0
 
July 13, 2020, 3 p.m. 20.2 ppb (19) 10.3 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
July 13, 2020, 2 p.m. 28.3 ppb (26) 14.7 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 26.0
 
July 13, 2020, 1 p.m. 35.2 ppb (33) 16.8 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 33.0
 
July 13, 2020, noon 30.8 ppb (29) 12.3 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 29.0
 
July 13, 2020, 11 a.m. 25.5 ppb (24) 8.8 ppb (8) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 24.0
 
July 13, 2020, 10 a.m. 10.1 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 13, 2020, 9 a.m. 7.0 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 13, 2020, 8 a.m. 6.7 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2020, 7 a.m. 9.1 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2020, 6 a.m. 8.2 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 13, 2020, 5 a.m. 11.0 ppb (10) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 13, 2020, 4 a.m. 13.3 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 3 a.m. 16.0 ppb (15) 5.9 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 13, 2020, 2 a.m. 17.3 ppb (16) 5.8 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 1 a.m. 18.8 ppb (17) 8.9 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2020, midnight 14.2 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 13.0
 
July 12, 2020, 11 p.m. 15.5 ppb (14) 7.9 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 14.0
 
July 12, 2020, 10 p.m. 16.2 ppb (15) 8.6 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 15.0
 
July 12, 2020, 9 p.m. 20.2 ppb (19) 12.7 ppb (12) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 19.0
 
July 12, 2020, 8 p.m. 14.6 ppb (14) 8.2 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 14.0
 
July 12, 2020, 7 p.m. 16.0 ppb (15) 9.2 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 15.0
 
July 12, 2020, 6 p.m. 16.0 ppb (15) 10.1 ppb (9) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 15.0
 
July 12, 2020, 5 p.m. 17.0 ppb (16) 10.2 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 16.0
 
July 12, 2020, 4 p.m. 14.7 ppb (14) 9.1 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 14.0
 
July 12, 2020, 3 p.m. 11.7 ppb (11) 6.5 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 11.0
 
July 12, 2020, 2 p.m. 10.1 ppb (9) 6.4 ppb (6) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 12, 2020, 1 p.m. 7.1 ppb (7) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 7.0
 
July 12, 2020, noon 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 4.0
 
July 12, 2020, 11 a.m. 5.3 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 5.0
 
July 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 12, 2020, 9 a.m. 3.4 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 8 a.m. 5.5 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 5.0
 
July 12, 2020, 7 a.m. 7.0 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 6.0
 
July 12, 2020, 6 a.m. 6.9 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 12, 2020, 5 a.m. 10.2 ppb (9) 5.3 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 9.0
 
July 12, 2020, 4 a.m. 14.1 ppb (13) 7.5 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 13.0
 
July 12, 2020, 3 a.m. 15.0 ppb (14) 8.8 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 14.0
 
July 12, 2020, 2 a.m. 15.6 ppb (14) 9.0 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 14.0
 
July 12, 2020, 1 a.m. 16.7 ppb (15) 11.0 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 15.0
 
July 12, 2020, midnight 17.6 ppb (16) 11.0 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 16.0
 
July 11, 2020, 11 p.m. 14.7 ppb (14) 9.8 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 14.0
 
July 11, 2020, 10 p.m. 14.8 ppb (14) 9.6 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 9 p.m. 14.1 ppb (13) 9.8 ppb (9) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 8 p.m. 15.3 ppb (14) 10.3 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 7 p.m. 16.4 ppb (15) 10.9 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 6 p.m. 16.0 ppb (15) 10.9 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 15.0
 
July 11, 2020, 5 p.m. 17.5 ppb (16) 11.4 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 4 p.m. 22.5 ppb (21) 14.4 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 21.0
 
July 11, 2020, 3 p.m. 18.3 ppb (17) 11.9 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 2 p.m. 22.8 ppb (21) 13.6 ppb (13) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 1 p.m. 20.9 ppb (19) 10.7 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, noon 24.0 ppb (22) 12.0 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 11 a.m. 27.6 ppb (26) 13.1 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 11, 2020, 9 a.m. 13.5 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 8 a.m. 17.1 ppb (16) 4.9 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 11, 2020, 7 a.m. 11.8 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 6 a.m. 12.5 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 5 a.m. 27.2 ppb (25) 10.7 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 4 a.m. 30.3 ppb (28) 13.2 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 28.0
 
July 11, 2020, 3 a.m. 27.2 ppb (25) 14.0 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 25.0
 
July 11, 2020, 2 a.m. 31.7 ppb (29) 18.6 ppb (17) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 29.0
 
July 11, 2020, 1 a.m. 26.6 ppb (25) 16.2 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 25.0
 
July 11, 2020, midnight 27.3 ppb (25) 17.2 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 25.0
 
July 10, 2020, 11 p.m. 27.5 ppb (25) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 25.0
 
July 10, 2020, 10 p.m. 25.9 ppb (24) 16.3 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 24.0
 
July 10, 2020, 9 p.m. 27.2 ppb (25) 17.6 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 25.0
 
July 10, 2020, 8 p.m. 26.5 ppb (25) 18.6 ppb (17) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 25.0
 
July 10, 2020, 7 p.m. 26.8 ppb (25) 18.2 ppb (17) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 25.0
 
July 10, 2020, 6 p.m. 21.1 ppb (20) 14.7 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 20.0
 
July 10, 2020, 5 p.m. 27.3 ppb (25) 18.6 ppb (17) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 25.0
 
July 10, 2020, 4 p.m. 21.7 ppb (20) 12.4 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 20.0
 
July 10, 2020, 3 p.m. 27.0 ppb (25) 16.1 ppb (15) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 25.0
 
July 10, 2020, 2 p.m. 35.2 ppb (33) 21.4 ppb (20) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 33.0
 
July 10, 2020, 1 p.m. 29.7 ppb (28) 16.3 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 28.0
 
July 10, 2020, noon 26.7 ppb (25) 13.9 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 25.0
 
July 10, 2020, 11 a.m. 8.9 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 10, 2020, 10 a.m. 16.7 ppb (15) 6.8 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 15.0
 
July 10, 2020, 9 a.m. 12.5 ppb (12) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 10, 2020, 8 a.m. 10.1 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
July 10, 2020, 7 a.m. 11.3 ppb (10) 5.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 10, 2020, 6 a.m. 18.2 ppb (17) 8.9 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 10, 2020, 5 a.m. 17.4 ppb (16) 6.8 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 4 a.m. 18.4 ppb (17) 6.3 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 3 a.m. 19.1 ppb (18) 12.0 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 18.0
 
July 10, 2020, 2 a.m. 19.0 ppb (18) 12.7 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 18.0
 
July 10, 2020, 1 a.m. 21.4 ppb (20) 15.1 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 20.0
 
July 10, 2020, midnight 24.4 ppb (23) 17.4 ppb (16) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 23.0
 
July 9, 2020, 11 p.m. 31.6 ppb (29) 23.4 ppb (22) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 29.0
 
July 9, 2020, 10 p.m. 24.7 ppb (23) 18.4 ppb (17) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 23.0
 
July 9, 2020, 9 p.m. 30.2 ppb (28) 22.1 ppb (20) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 28.0
 
July 9, 2020, 8 p.m. 19.4 ppb (18) 13.8 ppb (13) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 18.0
 
July 9, 2020, 7 p.m. 17.4 ppb (16) 11.3 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 16.0
 
July 9, 2020, 6 p.m. 27.5 ppb (25) 18.6 ppb (17) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 25.0
 
July 9, 2020, 5 p.m. 30.7 ppb (28) 21.5 ppb (20) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 28.0
 
July 9, 2020, 4 p.m. 49.9 ppb (46) 36.5 ppb (34) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 46.0
 
July 9, 2020, 3 p.m. 38.2 ppb (35) 26.1 ppb (24) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 35.0
 
July 9, 2020, 2 p.m. 49.2 ppb (46) 36.2 ppb (34) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 46.0
 
July 9, 2020, 1 p.m. 41.7 ppb (39) 28.8 ppb (27) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 39.0
 
July 9, 2020, noon 37.5 ppb (35) 25.3 ppb (23) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 35.0
 
July 9, 2020, 11 a.m. 22.6 ppb (21) 14.1 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 21.0
 
July 9, 2020, 10 a.m. 13.4 ppb (12) 7.7 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 12.0
 
July 9, 2020, 9 a.m. 11.1 ppb (10) 5.7 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 8 a.m. 11.4 ppb (11) 5.2 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 7 a.m. 14.4 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 13.0
 
July 9, 2020, 6 a.m. 19.5 ppb (18) 11.3 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 5 a.m. 19.1 ppb (18) 12.1 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 4 a.m. 17.2 ppb (16) 9.9 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 9, 2020, 3 a.m. 26.7 ppb (25) 15.5 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 25.0
 
July 9, 2020, 2 a.m. 24.6 ppb (23) 15.7 ppb (15) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 23.0
 
July 9, 2020, 1 a.m. 27.7 ppb (26) 18.6 ppb (17) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 26.0
 
July 9, 2020, midnight 28.2 ppb (26) 17.6 ppb (16) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 26.0
 
July 8, 2020, 11 p.m. 28.6 ppb (26) 18.1 ppb (17) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 26.0
 
July 8, 2020, 10 p.m. 30.0 ppb (28) 19.2 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 28.0
 
July 8, 2020, 9 p.m. 22.3 ppb (21) 14.0 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 21.0
 
July 8, 2020, 8 p.m. 29.1 ppb (27) 19.9 ppb (18) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 27.0
 
July 8, 2020, 7 p.m. 37.5 ppb (35) 25.4 ppb (24) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 35.0
 
July 8, 2020, 6 p.m. 31.1 ppb (29) 22.3 ppb (21) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 4 p.m. 24.3 ppb (23) 15.9 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 23.0
 
July 8, 2020, 3 p.m. 25.3 ppb (23) 16.8 ppb (16) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 23.0
 
July 8, 2020, 2 p.m. 38.7 ppb (36) 27.2 ppb (25) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 36.0
 
July 8, 2020, 1 p.m. 34.7 ppb (32) 22.8 ppb (21) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 32.0
 
July 8, 2020, noon 30.4 ppb (28) 20.6 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 28.0
 
July 8, 2020, 11 a.m. 20.4 ppb (19) 13.6 ppb (13) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 19.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
July 8, 2020, 9 a.m. 11.1 ppb (10) 5.6 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 10.0
 
July 8, 2020, 8 a.m. 7.4 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 7.0
 
July 8, 2020, 7 a.m. 6.7 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 6.0
 
July 8, 2020, 6 a.m. 9.1 ppb (8) 5.6 ppb (5) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 8.0
 
July 8, 2020, 5 a.m. 15.0 ppb (14) 9.0 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 14.0
 
July 8, 2020, 4 a.m. 22.1 ppb (20) 13.1 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A -4.0 μg/m3 (0) 20.0
 
July 8, 2020, 3 a.m. 25.7 ppb (24) 15.4 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 24.0
 
July 8, 2020, 2 a.m. 25.7 ppb (24) 15.6 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 24.0
 
July 8, 2020, 1 a.m. 24.2 ppb (22) 16.1 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 22.0
 
July 8, 2020, midnight 24.9 ppb (23) 17.6 ppb (16) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 23.0
 
July 7, 2020, 11 p.m. 27.6 ppb (26) 17.8 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 26.0
 
July 7, 2020, 10 p.m. 19.3 ppb (18) 12.4 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 18.0
 
July 7, 2020, 9 p.m. 23.9 ppb (22) 15.4 ppb (14) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 22.0
 
July 7, 2020, 8 p.m. 23.2 ppb (21) 15.7 ppb (15) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 21.0
 
July 7, 2020, 7 p.m. 24.5 ppb (23) 17.0 ppb (16) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 23.0
 
July 7, 2020, 6 p.m. 23.7 ppb (22) 16.2 ppb (15) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 22.0
 
July 7, 2020, 5 p.m. 27.5 ppb (25) 20.5 ppb (19) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 25.0
 
July 7, 2020, 4 p.m. 23.8 ppb (22) 15.0 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 22.0
 
July 7, 2020, 3 p.m. 27.5 ppb (25) 16.8 ppb (16) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 25.0
 
July 7, 2020, 2 p.m. 26.4 ppb (24) 15.4 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 24.0
 
July 7, 2020, 1 p.m. 24.1 ppb (22) 14.2 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 22.0
 
July 7, 2020, noon 23.9 ppb (22) 12.6 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 22.0
 
July 7, 2020, 11 a.m. 16.3 ppb (15) 7.8 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 15.0