ID: 2645

AQSQID: 530530024

Site Name: Tacoma-S 36th St

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

Updated: Jan. 20, 2021, 9:31 a.m.

Location: Tacoma (S End), WA

Reporting: True, Located: True

Current AQI: 81.0

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
Jan. 20, 2021, 8 a.m. 74.6 ppb (73) 60.8 ppb (59) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Jan. 20, 2021, 7 a.m. 92.3 ppb (92) 77.6 ppb (77) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 92.0
 
Jan. 20, 2021, 6 a.m. 68.2 ppb (67) 52.3 ppb (50) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 20, 2021, 5 a.m. 66.1 ppb (64) 49.9 ppb (48) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 20, 2021, 4 a.m. 60.0 ppb (58) 43.8 ppb (42) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 20, 2021, 3 a.m. 92.1 ppb (92) 75.8 ppb (75) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 92.0
 
Jan. 20, 2021, 2 a.m. 96.3 ppb (97) 80.1 ppb (79) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 97.0
 
Jan. 20, 2021, 1 a.m. 105.0 ppb (102) 89.3 ppb (89) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 102.0
 
Jan. 20, 2021, midnight 64.4 ppb (63) 49.0 ppb (47) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2021, 11 p.m. 16.7 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 10 p.m. 17.7 ppb (17) 9.9 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2021, 9 p.m. 38.2 ppb (37) 26.3 ppb (25) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 19, 2021, 8 p.m. 53.4 ppb (51) 38.3 ppb (37) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 7 p.m. 37.8 ppb (36) 24.7 ppb (24) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2021, 6 p.m. 41.3 ppb (39) 27.9 ppb (27) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 5 p.m. 44.6 ppb (43) 30.5 ppb (29) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2021, 4 p.m. 61.0 ppb (59) 45.0 ppb (43) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 59.0
 
Jan. 19, 2021, 3 p.m. 52.5 ppb (50) 35.6 ppb (34) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2021, 2 p.m. 43.7 ppb (42) 28.1 ppb (27) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 1 p.m. 22.4 ppb (22) 8.0 ppb (8) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2021, noon 46.8 ppb (45) 31.2 ppb (30) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2021, 11 a.m. 52.6 ppb (50) 37.0 ppb (35) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 9 a.m. 25.5 ppb (25) 10.3 ppb (10) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2021, 8 a.m. 27.4 ppb (26) 11.1 ppb (11) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 7 a.m. 43.4 ppb (41) 25.3 ppb (24) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 6 a.m. 28.5 ppb (27) 10.4 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 5 a.m. 29.0 ppb (28) 10.5 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2021, 4 a.m. 16.9 ppb (16) 3.9 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 3 a.m. 16.9 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 2 a.m. 22.1 ppb (21) 6.5 ppb (7) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2021, 1 a.m. 33.1 ppb (32) 16.8 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 32.0
 
Jan. 19, 2021, midnight 28.5 ppb (27) 13.7 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 11 p.m. 25.2 ppb (24) 12.8 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 10 p.m. 24.3 ppb (23) 12.2 ppb (12) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 9 p.m. 24.6 ppb (24) 10.6 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 8 p.m. 21.6 ppb (21) 10.0 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, 7 p.m. 27.3 ppb (26) 14.0 ppb (14) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 6 p.m. 23.7 ppb (23) 13.3 ppb (13) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 5 p.m. 55.1 ppb (53) 34.8 ppb (33) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 18, 2021, 4 p.m. 65.2 ppb (63) 42.5 ppb (41) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 63.0
 
Jan. 18, 2021, 3 p.m. 90.5 ppb (90) 69.6 ppb (68) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 90.0
 
Jan. 18, 2021, 2 p.m. 36.5 ppb (35) 17.5 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 35.0
 
Jan. 18, 2021, 1 p.m. 34.5 ppb (33) 15.1 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, noon 38.6 ppb (37) 18.0 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 11 a.m. 18.2 ppb (18) 2.8 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2021, 10 a.m. 21.0 ppb (20) 4.2 ppb (4) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 9 a.m. 43.9 ppb (42) 20.5 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, 8 a.m. 35.8 ppb (34) 13.8 ppb (14) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 7 a.m. 22.7 ppb (22) 3.8 ppb (4) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 6 a.m. 19.2 ppb (19) 2.0 ppb (2) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, 5 a.m. 24.1 ppb (23) 7.8 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, 4 a.m. 30.7 ppb (29) 13.2 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2021, 3 a.m. 42.2 ppb (40) 22.3 ppb (22) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2021, 2 a.m. 37.7 ppb (36) 16.7 ppb (16) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 1 a.m. 32.9 ppb (32) 13.1 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, midnight 23.4 ppb (23) 11.5 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 11 p.m. 5.6 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 17, 2021, 10 p.m. 7.6 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 9 p.m. 17.5 ppb (17) 6.3 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2021, 8 p.m. 17.3 ppb (17) 6.7 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 7 p.m. 22.6 ppb (22) 12.3 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2021, 6 p.m. 29.5 ppb (28) 16.2 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 5 p.m. 23.6 ppb (23) 9.6 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 4 p.m. 19.5 ppb (19) 4.7 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2021, 3 p.m. 15.4 ppb (15) 3.7 ppb (4) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2021, 2 p.m. 14.1 ppb (14) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, 1 p.m. 19.5 ppb (19) 5.9 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, noon 12.5 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 11 a.m. 9.7 ppb (10) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 9 a.m. 19.6 ppb (19) 12.4 ppb (12) N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 17, 2021, 8 a.m. 20.7 ppb (20) 12.4 ppb (12) N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 7 a.m. 22.5 ppb (22) 12.4 ppb (12) N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 6 a.m. 22.1 ppb (21) 10.8 ppb (11) N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 5 a.m. 34.0 ppb (33) 21.0 ppb (20) N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 4 a.m. 55.9 ppb (54) 39.8 ppb (38) N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Jan. 17, 2021, 3 a.m. 76.3 ppb (75) 56.7 ppb (54) N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 17, 2021, 2 a.m. 55.2 ppb (53) 36.0 ppb (34) N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Jan. 17, 2021, 1 a.m. 54.5 ppb (52) 35.1 ppb (34) N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, midnight 55.0 ppb (53) 36.4 ppb (35) N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 53.0
 
Jan. 16, 2021, 11 p.m. 43.9 ppb (42) 27.0 ppb (26) N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2021, 10 p.m. 50.3 ppb (48) 32.5 ppb (31) N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2021, 9 p.m. 31.0 ppb (30) 17.8 ppb (17) N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2021, 8 p.m. 30.0 ppb (29) 19.0 ppb (18) N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 7 p.m. 32.8 ppb (31) 22.6 ppb (22) N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 6 p.m. 46.1 ppb (44) 33.3 ppb (32) N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 44.0
 
Jan. 16, 2021, 5 p.m. 41.3 ppb (39) 28.2 ppb (27) N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 39.0
 
Jan. 16, 2021, 4 p.m. 47.1 ppb (45) 31.5 ppb (30) N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 45.0
 
Jan. 16, 2021, 3 p.m. 20.8 ppb (20) 6.2 ppb (6) N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 2 p.m. 22.6 ppb (22) 8.7 ppb (9) N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 1 p.m. 16.5 ppb (16) 4.1 ppb (4) N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2021, noon 10.7 ppb (11) 0.7 ppb (1) N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 11 a.m. 14.0 ppb (14) 4.2 ppb (4) N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2021, 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
 
Jan. 16, 2021, 9 a.m. 34.0 ppb (33) 19.9 ppb (19) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2021, 8 a.m. 53.0 ppb (50) 36.4 ppb (35) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 7 a.m. 76.4 ppb (75) 59.3 ppb (57) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 16, 2021, 6 a.m. 57.8 ppb (56) 38.7 ppb (37) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2021, 5 a.m. 57.3 ppb (55) 35.2 ppb (34) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 16, 2021, 4 a.m. 127.4 ppb (106) 101.5 ppb (102) N/A 26.0 ppb (25) N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 106.0
 
Jan. 16, 2021, 3 a.m. 59.0 ppb (57) 33.6 ppb (32) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 57.0
 
Jan. 16, 2021, 2 a.m. 44.1 ppb (42) 17.2 ppb (17) N/A 27.0 ppb (26) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2021, 1 a.m. 40.4 ppb (39) 20.5 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 39.0
 
Jan. 16, 2021, midnight 36.1 ppb (35) 17.3 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 35.0
 
Jan. 15, 2021, 11 p.m. 44.0 ppb (42) 26.1 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 42.0
 
Jan. 15, 2021, 10 p.m. 41.4 ppb (40) 25.7 ppb (25) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 40.0
 
Jan. 15, 2021, 9 p.m. 39.5 ppb (38) 25.1 ppb (24) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 38.0
 
Jan. 15, 2021, 8 p.m. 48.5 ppb (46) 28.4 ppb (27) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 46.0
 
Jan. 15, 2021, 7 p.m. 32.6 ppb (31) 15.2 ppb (15) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 31.0
 
Jan. 15, 2021, 6 p.m. 21.4 ppb (21) 4.5 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 5 p.m. 18.3 ppb (18) 2.1 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 4 p.m. 46.8 ppb (45) 26.1 ppb (25) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 45.0
 
Jan. 15, 2021, 3 p.m. 40.3 ppb (39) 22.3 ppb (22) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 39.0
 
Jan. 15, 2021, 2 p.m. 42.8 ppb (41) 26.8 ppb (26) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 41.0
 
Jan. 15, 2021, 1 p.m. 50.4 ppb (48) 32.9 ppb (32) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 48.0
 
Jan. 15, 2021, noon 22.4 ppb (22) 9.4 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 11 a.m. 21.5 ppb (21) 7.0 ppb (7) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2021, 10 a.m. 28.1 ppb (27) 9.9 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2021, 9 a.m. 20.0 ppb (19) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2021, 8 a.m. 12.0 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 7 a.m. 14.4 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2021, 6 a.m. 33.7 ppb (32) 14.1 ppb (14) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 5 a.m. 68.9 ppb (67) 47.3 ppb (45) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 67.0
 
Jan. 15, 2021, 4 a.m. 48.7 ppb (46) 26.9 ppb (26) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2021, 3 a.m. 46.3 ppb (44) 25.0 ppb (24) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2021, 2 a.m. 66.7 ppb (65) 44.1 ppb (42) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 65.0
 
Jan. 15, 2021, 1 a.m. 82.9 ppb (82) 60.9 ppb (59) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 82.0
 
Jan. 15, 2021, midnight 61.6 ppb (60) 40.5 ppb (39) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 60.0
 
Jan. 14, 2021, 11 p.m. 63.7 ppb (62) 41.3 ppb (39) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 62.0
 
Jan. 14, 2021, 10 p.m. 68.5 ppb (67) 44.1 ppb (42) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 67.0
 
Jan. 14, 2021, 9 p.m. 44.0 ppb (42) 24.7 ppb (24) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 8 p.m. 55.5 ppb (53) 34.0 ppb (33) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 53.0
 
Jan. 14, 2021, 7 p.m. 54.3 ppb (52) 34.7 ppb (33) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 52.0
 
Jan. 14, 2021, 6 p.m. 61.0 ppb (59) 42.8 ppb (41) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 59.0
 
Jan. 14, 2021, 5 p.m. 57.5 ppb (55) 39.3 ppb (38) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 4 p.m. 47.8 ppb (46) 28.1 ppb (27) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 46.0
 
Jan. 14, 2021, 3 p.m. 53.1 ppb (51) 32.6 ppb (31) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 51.0
 
Jan. 14, 2021, 2 p.m. 41.3 ppb (39) 22.8 ppb (22) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 1 p.m. 37.9 ppb (36) 19.0 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2021, noon 35.1 ppb (34) 16.1 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 11 a.m. 19.9 ppb (19) 5.3 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 10 a.m. 39.4 ppb (38) 18.3 ppb (18) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2021, 9 a.m. 18.3 ppb (18) 2.3 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2021, 8 a.m. 32.8 ppb (31) 13.6 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 7 a.m. 40.6 ppb (39) 19.7 ppb (19) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2021, 6 a.m. 71.8 ppb (70) 47.6 ppb (45) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Jan. 14, 2021, 5 a.m. 65.1 ppb (63) 38.2 ppb (37) N/A 27.0 ppb (26) N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 4 a.m. 19.4 ppb (19) 2.4 ppb (3) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 3 a.m. 35.5 ppb (34) 10.3 ppb (10) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 2 a.m. 25.3 ppb (24) 3.4 ppb (4) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 1 a.m. 37.3 ppb (36) 12.7 ppb (12) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 36.0
 
Jan. 14, 2021, midnight 44.7 ppb (43) 22.7 ppb (22) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 43.0
 
Jan. 13, 2021, 11 p.m. 28.4 ppb (27) 14.6 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 13, 2021, 10 p.m. 22.0 ppb (21) 12.0 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, 9 p.m. 22.9 ppb (22) 13.2 ppb (13) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 22.0
 
Jan. 13, 2021, 8 p.m. 21.8 ppb (21) 12.8 ppb (13) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 21.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 13, 2021, 6 p.m. 20.1 ppb (19) 11.4 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
Jan. 13, 2021, 5 p.m. 29.8 ppb (29) 15.2 ppb (15) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 4 p.m. 26.5 ppb (25) 12.3 ppb (12) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 3 p.m. 18.1 ppb (18) 9.9 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 2 p.m. 15.5 ppb (15) 8.3 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 15.0
 
Jan. 13, 2021, 1 p.m. 12.1 ppb (12) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, noon 7.1 ppb (7) 3.5 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 11 a.m. 3.1 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, 10 a.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 9 a.m. 2.2 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0