ID: 5318

AQSQID: 000100401

Site Name: Kamloops Federal Building

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

Updated: Oct. 24, 2021, 9:59 a.m.

Location: Kamloops (City Centre), CC

Reporting: True, Located: True

Current AQI: 31.0

Kamloops (City Centre) CC, CA: 50.674702, -120.3339

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 24, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 24, 2021, 7 a.m. N/A 0.8 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 24, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 24, 2021, 5 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 24, 2021, 4 a.m. N/A 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 10.9 μg/m3 (46) 46.0
 
Oct. 24, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Oct. 24, 2021, 1 a.m. N/A 2.6 ppb (3) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 12.1 μg/m3 (51) 51.0
 
Oct. 24, 2021, midnight N/A 3.1 ppb (3) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 23, 2021, 11 p.m. N/A 3.6 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 4.2 μg/m3 (18) 19.0
 
Oct. 23, 2021, 10 p.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 1.5 μg/m3 (7) 32.0
 
Oct. 23, 2021, 9 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 1.3 μg/m3 (6) 33.0
 
Oct. 23, 2021, 8 p.m. N/A 2.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 23, 2021, 7 p.m. N/A 3.4 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
Oct. 23, 2021, 6 p.m. N/A 7.2 ppb (7) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 3.7 μg/m3 (16) 16.0
 
Oct. 23, 2021, 5 p.m. N/A 7.7 ppb (8) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 5.1 μg/m3 (22) 22.0
 
Oct. 23, 2021, 4 p.m. N/A 7.9 ppb (8) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 3 p.m. N/A 7.3 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 2 p.m. N/A 4.0 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 23, 2021, 1 p.m. N/A 2.3 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 4.4 μg/m3 (19) 19.0
 
Oct. 23, 2021, noon N/A 4.7 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 23, 2021, 11 a.m. N/A 10.9 ppb (11) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 23, 2021, 10 a.m. N/A 2.3 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 23, 2021, 9 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 23, 2021, 8 a.m. N/A 2.2 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 8.4 μg/m3 (36) 36.0
 
Oct. 23, 2021, 7 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 23, 2021, 6 a.m. N/A 3.6 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 23, 2021, 5 a.m. N/A 2.9 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 5.1 μg/m3 (22) 22.0
 
Oct. 23, 2021, 4 a.m. N/A 1.8 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 23, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 2 a.m. N/A 1.9 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 23, 2021, midnight N/A 2.8 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 5.4 μg/m3 (23) 23.0
 
Oct. 22, 2021, 11 p.m. N/A 3.8 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 22, 2021, 10 p.m. N/A 3.8 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 22, 2021, 9 p.m. N/A 3.5 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 4.5 μg/m3 (19) 19.0
 
Oct. 22, 2021, 8 p.m. N/A 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 4.1 μg/m3 (18) 18.0
 
Oct. 22, 2021, 7 p.m. N/A 3.7 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 22, 2021, 6 p.m. N/A 4.0 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 22, 2021, 5 p.m. N/A 5.0 ppb (5) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 22, 2021, 4 p.m. N/A 3.2 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 22, 2021, 3 p.m. N/A 3.1 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 4.4 μg/m3 (19) 19.0
 
Oct. 22, 2021, 2 p.m. N/A 2.4 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 3.9 μg/m3 (17) 17.0
 
Oct. 22, 2021, 1 p.m. N/A 2.8 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 3.9 μg/m3 (17) 17.0
 
Oct. 22, 2021, noon N/A 2.2 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 4.2 μg/m3 (18) 18.0
 
Oct. 22, 2021, 11 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.9 μg/m3 (17) 18.0
 
Oct. 22, 2021, 10 a.m. N/A 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.9 μg/m3 (17) 19.0
 
Oct. 22, 2021, 9 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 22, 2021, 8 a.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 22, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 22, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 22, 2021, 5 a.m. N/A 0.6 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 22, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 7.6 μg/m3 (32) 32.0
 
Oct. 22, 2021, 3 a.m. N/A 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 22, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 22, 2021, 1 a.m. N/A 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 21, 2021, 11 p.m. N/A 4.7 ppb (5) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 4.3 μg/m3 (18) 20.0
 
Oct. 21, 2021, 10 p.m. N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
Oct. 21, 2021, 9 p.m. N/A 2.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 21, 2021, 8 p.m. N/A 8.8 ppb (9) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 6.9 μg/m3 (29) 29.0
 
Oct. 21, 2021, 7 p.m. N/A 17.6 ppb (17) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 21, 2021, 6 p.m. N/A 21.5 ppb (21) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 23.1 μg/m3 (75) 75.0
 
Oct. 21, 2021, 5 p.m. N/A 16.9 ppb (16) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 13.2 μg/m3 (54) 54.0
 
Oct. 21, 2021, 4 p.m. N/A 18.7 ppb (18) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 21, 2021, 3 p.m. N/A 14.3 ppb (14) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 21, 2021, 2 p.m. N/A 15.3 ppb (15) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 21, 2021, 1 p.m. N/A 14.9 ppb (15) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 21, 2021, noon N/A 5.3 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 21, 2021, 11 a.m. N/A 1.3 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 21, 2021, 10 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 21, 2021, 9 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 21, 2021, 8 a.m. N/A 2.3 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 21, 2021, 7 a.m. N/A 2.0 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 9.3 μg/m3 (39) 39.0
 
Oct. 21, 2021, 6 a.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 21, 2021, 5 a.m. N/A 1.9 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 11.9 μg/m3 (50) 50.0
 
Oct. 21, 2021, 4 a.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 11.9 μg/m3 (50) 50.0
 
Oct. 21, 2021, 3 a.m. N/A 2.3 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 15.2 μg/m3 (58) 58.0
 
Oct. 21, 2021, 2 a.m. N/A 4.1 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 11.7 μg/m3 (49) 49.0
 
Oct. 21, 2021, 1 a.m. N/A 4.1 ppb (4) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 21, 2021, midnight N/A 1.4 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Oct. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 20, 2021, 10 p.m. N/A 22.6 ppb (22) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 7.8 μg/m3 (33) 33.0
 
Oct. 20, 2021, 9 p.m. N/A 16.6 ppb (16) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 8.7 μg/m3 (37) 37.0
 
Oct. 20, 2021, 8 p.m. N/A 24.0 ppb (23) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 13.3 μg/m3 (54) 54.0
 
Oct. 20, 2021, 7 p.m. N/A 18.7 ppb (18) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 20, 2021, 6 p.m. N/A 40.1 ppb (38) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 14.3 μg/m3 (56) 56.0
 
Oct. 20, 2021, 5 p.m. N/A 43.5 ppb (42) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 13.2 μg/m3 (54) 54.0
 
Oct. 20, 2021, 4 p.m. N/A 27.2 ppb (26) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 12.6 μg/m3 (53) 53.0
 
Oct. 20, 2021, 3 p.m. N/A 31.0 ppb (30) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 13.2 μg/m3 (54) 54.0
 
Oct. 20, 2021, 2 p.m. N/A 24.5 ppb (24) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 14.2 μg/m3 (56) 56.0
 
Oct. 20, 2021, 1 p.m. N/A 14.1 ppb (14) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 13.9 μg/m3 (55) 55.0
 
Oct. 20, 2021, noon N/A 3.0 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 14.1 μg/m3 (56) 56.0
 
Oct. 20, 2021, 11 a.m. N/A 1.5 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 14.9 μg/m3 (57) 57.0
 
Oct. 20, 2021, 10 a.m. N/A 2.8 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 16.1 μg/m3 (60) 60.0
 
Oct. 20, 2021, 9 a.m. N/A 5.5 ppb (6) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 14.3 μg/m3 (56) 56.0
 
Oct. 20, 2021, 8 a.m. N/A 6.5 ppb (7) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 13.6 μg/m3 (55) 55.0
 
Oct. 20, 2021, 7 a.m. N/A 1.2 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 9.1 μg/m3 (38) 38.0
 
Oct. 20, 2021, 6 a.m. N/A 1.9 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 9.7 μg/m3 (41) 41.0
 
Oct. 20, 2021, 5 a.m. N/A 4.7 ppb (5) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 11.2 μg/m3 (47) 47.0
 
Oct. 20, 2021, 4 a.m. N/A 6.2 ppb (6) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 12.1 μg/m3 (51) 51.0
 
Oct. 20, 2021, 3 a.m. N/A 8.0 ppb (8) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 13.5 μg/m3 (54) 54.0
 
Oct. 20, 2021, 2 a.m. N/A 6.0 ppb (6) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 12.9 μg/m3 (53) 53.0
 
Oct. 20, 2021, 1 a.m. N/A 5.6 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 11.6 μg/m3 (49) 49.0
 
Oct. 20, 2021, midnight N/A 4.4 ppb (5) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 10.2 μg/m3 (43) 43.0
 
Oct. 19, 2021, 11 p.m. N/A 3.3 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
Oct. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Oct. 19, 2021, 9 p.m. N/A 3.5 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 19, 2021, 8 p.m. N/A 8.0 ppb (8) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 9.2 μg/m3 (39) 39.0
 
Oct. 19, 2021, 7 p.m. N/A 7.9 ppb (8) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 11.2 μg/m3 (47) 47.0
 
Oct. 19, 2021, 6 p.m. N/A 19.4 ppb (19) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 10.8 μg/m3 (46) 46.0
 
Oct. 19, 2021, 5 p.m. N/A 31.2 ppb (30) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 4 p.m. N/A 36.3 ppb (35) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 7.9 μg/m3 (33) 35.0
 
Oct. 19, 2021, 3 p.m. N/A 51.6 ppb (49) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 9.9 μg/m3 (42) 49.0
 
Oct. 19, 2021, 2 p.m. N/A 61.8 ppb (60) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 11.5 μg/m3 (48) 60.0
 
Oct. 19, 2021, 1 p.m. N/A 66.3 ppb (65) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 10.0 μg/m3 (42) 65.0
 
Oct. 19, 2021, noon N/A 44.4 ppb (42) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 7.9 μg/m3 (33) 42.0
 
Oct. 19, 2021, 11 a.m. N/A 30.0 ppb (29) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 7.7 μg/m3 (33) 33.0
 
Oct. 19, 2021, 10 a.m. N/A 32.7 ppb (31) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 19, 2021, 9 a.m. N/A 27.8 ppb (27) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 19, 2021, 8 a.m. N/A 31.5 ppb (30) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 19, 2021, 7 a.m. N/A 33.2 ppb (32) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 11.3 μg/m3 (48) 48.0
 
Oct. 19, 2021, 6 a.m. N/A 21.2 ppb (20) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 10.4 μg/m3 (44) 44.0
 
Oct. 19, 2021, 5 a.m. N/A 36.7 ppb (35) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 14.2 μg/m3 (56) 56.0
 
Oct. 19, 2021, 4 a.m. N/A 9.2 ppb (9) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 11.2 μg/m3 (47) 47.0
 
Oct. 19, 2021, 3 a.m. N/A 8.1 ppb (8) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 11.3 μg/m3 (48) 48.0
 
Oct. 19, 2021, 2 a.m. N/A 18.3 ppb (18) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 19, 2021, 1 a.m. N/A 19.6 ppb (19) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 17.7 μg/m3 (63) 63.0
 
Oct. 19, 2021, midnight N/A 22.2 ppb (21) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 15.6 μg/m3 (59) 59.0
 
Oct. 18, 2021, 11 p.m. N/A 13.0 ppb (13) N/A 21.0 ppb (20) N/A 2.0 ppb (3) 13.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2021, 10 p.m. N/A 14.9 ppb (15) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 16.0 ppb (15) N/A N/A 7.5 μg/m3 (32) 32.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
Oct. 18, 2021, 8 p.m. N/A 3.5 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.7 μg/m3 (16) 21.0
 
Oct. 18, 2021, 7 p.m. N/A 3.7 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.7 μg/m3 (12) 20.0
 
Oct. 18, 2021, 6 p.m. N/A 5.1 ppb (5) N/A 7.0 ppb (7) N/A 4.0 ppb (6) 19.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
Oct. 18, 2021, 5 p.m. N/A 5.1 ppb (5) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 18.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
Oct. 18, 2021, 4 p.m. N/A 4.7 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.6 μg/m3 (16) 17.0
 
Oct. 18, 2021, 3 p.m. N/A 2.8 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 2.2 μg/m3 (10) 16.0
 
Oct. 18, 2021, 2 p.m. N/A 2.6 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.7 μg/m3 (16) 16.0
 
Oct. 18, 2021, 1 p.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Oct. 18, 2021, noon N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Oct. 18, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.9 μg/m3 (17) 20.0
 
Oct. 18, 2021, 10 a.m. N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
Oct. 18, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
Oct. 18, 2021, 8 a.m. N/A 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.1 μg/m3 (9) 21.0
 
Oct. 18, 2021, 7 a.m. N/A 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 0.8 μg/m3 (4) 22.0
 
Oct. 18, 2021, 6 a.m. N/A 1.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.4 μg/m3 (15) 16.0
 
Oct. 18, 2021, 5 a.m. N/A 6.9 ppb (7) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 9.7 μg/m3 (41) 41.0
 
Oct. 18, 2021, 4 a.m. N/A 7.7 ppb (8) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 18, 2021, 3 a.m. N/A 4.9 ppb (5) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 9.4 μg/m3 (40) 40.0
 
Oct. 18, 2021, 2 a.m. N/A 15.8 ppb (15) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 18, 2021, 1 a.m. N/A 10.0 ppb (10) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 18, 2021, midnight N/A 11.9 ppb (12) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 17, 2021, 11 p.m. N/A 6.5 ppb (7) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2021, 10 p.m. N/A 3.6 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 17, 2021, 9 p.m. N/A 5.3 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 3.9 μg/m3 (17) 17.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Oct. 17, 2021, 7 p.m. N/A 2.4 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 6 p.m. N/A 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 2.5 μg/m3 (11) 12.0
 
Oct. 17, 2021, 5 p.m. N/A 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.2 μg/m3 (10) 13.0
 
Oct. 17, 2021, 4 p.m. N/A 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
Oct. 17, 2021, 3 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 17, 2021, 2 p.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 17, 2021, 1 p.m. N/A 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 17, 2021, noon N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 17, 2021, 11 a.m. N/A 1.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 17, 2021, 10 a.m. N/A 1.5 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2021, 9 a.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 5.5 μg/m3 (23) 23.0