ID: 5319

AQSQID: 000101603

Site Name: Squamish Elementary

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

Updated: Aug. 3, 2021, 11:56 p.m.

Location: Squamish (Buckley Ave), CC

Reporting: True, Located: True

Current AQI: 67.0

Squamish (Buckley Ave) CC, CA: 49.70516, -123.15133

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 10 p.m. N/A 1.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 19.3 μg/m3 (67) 67.0
 
Aug. 3, 2021, 9 p.m. N/A 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 19.2 μg/m3 (66) 66.0
 
Aug. 3, 2021, 8 p.m. N/A 1.7 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 21.7 μg/m3 (72) 72.0
 
Aug. 3, 2021, 7 p.m. N/A 3.4 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 23.5 μg/m3 (75) 75.0
 
Aug. 3, 2021, 6 p.m. N/A 2.9 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 24.6 μg/m3 (78) 78.0
 
Aug. 3, 2021, 5 p.m. N/A 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A 25.3 μg/m3 (79) 79.0
 
Aug. 3, 2021, 4 p.m. N/A 2.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 23.2 μg/m3 (75) 75.0
 
Aug. 3, 2021, 3 p.m. N/A 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 25.1 μg/m3 (79) 79.0
 
Aug. 3, 2021, 2 p.m. N/A 4.4 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 26.5 μg/m3 (82) 82.0
 
Aug. 3, 2021, 1 p.m. N/A 4.2 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 23.2 μg/m3 (75) 75.0
 
Aug. 3, 2021, noon N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 21.1 μg/m3 (70) 70.0
 
Aug. 3, 2021, 11 a.m. N/A 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 21.6 μg/m3 (71) 71.0
 
Aug. 3, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 21.7 μg/m3 (72) 72.0
 
Aug. 3, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 19.2 μg/m3 (66) 66.0
 
Aug. 3, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 15.2 μg/m3 (58) 58.0
 
Aug. 3, 2021, 7 a.m. N/A 0.2 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 13.5 μg/m3 (54) 54.0
 
Aug. 3, 2021, 6 a.m. N/A 0.2 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 13.4 μg/m3 (54) 54.0
 
Aug. 3, 2021, 5 a.m. N/A 0.6 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 13.0 μg/m3 (53) 53.0
 
Aug. 3, 2021, 4 a.m. N/A 0.5 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 11.6 μg/m3 (49) 49.0
 
Aug. 3, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
Aug. 3, 2021, 2 a.m. N/A 1.0 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 11.1 μg/m3 (47) 47.0
 
Aug. 3, 2021, 1 a.m. N/A 1.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 11.9 μg/m3 (50) 50.0
 
Aug. 3, 2021, midnight N/A 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 12.8 μg/m3 (53) 53.0
 
Aug. 2, 2021, 11 p.m. N/A 1.5 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 12.1 μg/m3 (51) 51.0
 
Aug. 2, 2021, 10 p.m. N/A 1.9 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 11.3 μg/m3 (48) 48.0
 
Aug. 2, 2021, 9 p.m. N/A 2.2 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 11.6 μg/m3 (49) 49.0
 
Aug. 2, 2021, 8 p.m. N/A 2.5 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 12.8 μg/m3 (53) 53.0
 
Aug. 2, 2021, 7 p.m. N/A 2.9 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 11.5 μg/m3 (48) 48.0
 
Aug. 2, 2021, 6 p.m. N/A 3.8 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 11.1 μg/m3 (47) 47.0
 
Aug. 2, 2021, 5 p.m. N/A 5.8 ppb (6) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 11.2 μg/m3 (47) 47.0
 
Aug. 2, 2021, 4 p.m. N/A 6.4 ppb (7) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A N/A 16.3 μg/m3 (60) 60.0
 
Aug. 2, 2021, 3 p.m. N/A 3.2 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 31.6 μg/m3 (93) 93.0
 
Aug. 2, 2021, 2 p.m. N/A 4.5 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 33.2 μg/m3 (96) 96.0
 
Aug. 2, 2021, 1 p.m. N/A 2.2 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 31.7 μg/m3 (93) 93.0
 
Aug. 2, 2021, noon N/A 1.7 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 2, 2021, 11 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 31.9 μg/m3 (93) 93.0
 
Aug. 2, 2021, 10 a.m. N/A 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 32.0 μg/m3 (93) 93.0
 
Aug. 2, 2021, 9 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 31.4 μg/m3 (92) 92.0
 
Aug. 2, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 30.0 μg/m3 (89) 89.0
 
Aug. 2, 2021, 7 a.m. N/A 0.2 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 30.7 μg/m3 (91) 91.0
 
Aug. 2, 2021, 6 a.m. N/A 3.9 ppb (4) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 30.5 μg/m3 (90) 90.0
 
Aug. 2, 2021, 5 a.m. N/A 0.2 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 30.6 μg/m3 (90) 90.0
 
Aug. 2, 2021, 4 a.m. N/A 0.3 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 34.1 μg/m3 (98) 98.0
 
Aug. 2, 2021, 3 a.m. N/A 0.5 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 37.4 μg/m3 (106) 106.0
 
Aug. 2, 2021, 2 a.m. N/A 0.6 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 37.2 μg/m3 (106) 106.0
 
Aug. 2, 2021, 1 a.m. N/A 0.8 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 40.4 μg/m3 (114) 114.0
 
Aug. 2, 2021, midnight N/A 1.3 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 42.6 μg/m3 (119) 119.0
 
Aug. 1, 2021, 11 p.m. N/A 3.1 ppb (3) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 25.0 ppb (24) N/A N/A 15.8 μg/m3 (59) 59.0
 
Aug. 1, 2021, 10 p.m. N/A 5.7 ppb (6) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 10.8 μg/m3 (46) 46.0
 
Aug. 1, 2021, 9 p.m. N/A 7.1 ppb (7) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 10.7 μg/m3 (45) 45.0
 
Aug. 1, 2021, 8 p.m. N/A 6.3 ppb (6) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 10.1 μg/m3 (43) 43.0
 
Aug. 1, 2021, 7 p.m. N/A 6.9 ppb (7) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 8.6 μg/m3 (36) 36.0
 
Aug. 1, 2021, 6 p.m. N/A 7.8 ppb (8) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 8.1 μg/m3 (34) 34.0
 
Aug. 1, 2021, 5 p.m. N/A 5.1 ppb (5) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.8 μg/m3 (33) 33.0
 
Aug. 1, 2021, 4 p.m. N/A 6.3 ppb (6) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 7.6 μg/m3 (32) 32.0
 
Aug. 1, 2021, 3 p.m. N/A 5.6 ppb (6) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) N/A N/A 7.7 μg/m3 (33) 33.0
 
Aug. 1, 2021, 2 p.m. N/A 4.6 ppb (5) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 7.8 μg/m3 (33) 33.0
 
Aug. 1, 2021, 1 p.m. N/A 2.2 ppb (3) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 7.4 μg/m3 (31) 31.0
 
Aug. 1, 2021, noon N/A 0.4 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 7.7 μg/m3 (33) 33.0
 
Aug. 1, 2021, 11 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 13.1 μg/m3 (54) 54.0
 
Aug. 1, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 14.1 μg/m3 (56) 56.0
 
Aug. 1, 2021, 9 a.m. N/A 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 14.8 μg/m3 (57) 57.0
 
Aug. 1, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 14.7 μg/m3 (57) 57.0
 
Aug. 1, 2021, 7 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 13.4 μg/m3 (54) 54.0
 
Aug. 1, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 12.6 μg/m3 (53) 53.0
 
Aug. 1, 2021, 5 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 12.5 μg/m3 (52) 52.0
 
Aug. 1, 2021, 4 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 12.3 μg/m3 (52) 52.0
 
Aug. 1, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 14.6 μg/m3 (57) 57.0
 
Aug. 1, 2021, 2 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 12.5 μg/m3 (52) 52.0
 
Aug. 1, 2021, 1 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 13.1 μg/m3 (54) 54.0
 
Aug. 1, 2021, midnight N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 12.2 μg/m3 (52) 52.0
 
July 31, 2021, 11 p.m. N/A 0.4 ppb (1) N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 31, 2021, 10 p.m. N/A 0.6 ppb (1) N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 31, 2021, 9 p.m. N/A 1.2 ppb (2) N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 9.4 μg/m3 (40) 40.0
 
July 31, 2021, 8 p.m. N/A 1.3 ppb (2) N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 31, 2021, 7 p.m. N/A 1.2 ppb (2) N/A N/A N/A 2.0 ppb (3) 26.0 ppb (25) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 31, 2021, 6 p.m. N/A 1.4 ppb (2) N/A N/A N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 31, 2021, 5 p.m. N/A 1.3 ppb (2) N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 10.6 μg/m3 (45) 45.0
 
July 31, 2021, 4 p.m. N/A 2.8 ppb (3) N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 9.4 μg/m3 (40) 40.0
 
July 31, 2021, 3 p.m. N/A 2.5 ppb (3) N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 31, 2021, 2 p.m. N/A 1.7 ppb (2) N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 31, 2021, 1 p.m. N/A 0.6 ppb (1) N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 31, 2021, noon N/A 0.5 ppb (1) N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 31, 2021, 11 a.m. N/A 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 31, 2021, 10 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 31, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 31, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 7.8 μg/m3 (33) 33.0
 
July 31, 2021, 7 a.m. N/A 0.7 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 31, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 31, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 31, 2021, 4 a.m. N/A 0.8 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 13.5 μg/m3 (54) 54.0
 
July 31, 2021, 3 a.m. N/A 1.8 ppb (2) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 31, 2021, 2 a.m. N/A 1.4 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 31, 2021, 1 a.m. N/A 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 7.6 μg/m3 (32) 42.0
 
July 31, 2021, midnight N/A 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 7.9 μg/m3 (33) 44.0
 
July 30, 2021, 11 p.m. N/A 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 7.8 μg/m3 (33) 44.0
 
July 30, 2021, 10 p.m. N/A 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 8.6 μg/m3 (36) 42.0
 
July 30, 2021, 9 p.m. N/A 1.6 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 30, 2021, 8 p.m. N/A 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 30, 2021, 7 p.m. N/A 2.2 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 13.3 μg/m3 (54) 54.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 10.9 μg/m3 (46) 46.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 30, 2021, 1 p.m. N/A 5.7 ppb (6) N/A 10.0 ppb (10) N/A N/A 3.0 ppb (3) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 30, 2021, noon N/A 4.0 ppb (4) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 30, 2021, 11 a.m. N/A 0.2 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 30, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 30, 2021, 9 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 30, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 30, 2021, 7 a.m. N/A 0.3 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 30, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 30, 2021, 5 a.m. N/A 1.3 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 7.5 μg/m3 (32) 32.0
 
July 30, 2021, 4 a.m. N/A 0.8 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 30, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 5.8 μg/m3 (25) 34.0
 
July 30, 2021, 2 a.m. N/A 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
July 30, 2021, 1 a.m. N/A 1.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 5.9 μg/m3 (25) 39.0
 
July 30, 2021, midnight N/A 1.6 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 6.1 μg/m3 (26) 41.0
 
July 29, 2021, 11 p.m. N/A 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 6.7 μg/m3 (28) 42.0
 
July 29, 2021, 10 p.m. N/A 3.3 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 7.2 μg/m3 (31) 39.0
 
July 29, 2021, 9 p.m. N/A 2.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 7.2 μg/m3 (31) 35.0
 
July 29, 2021, 8 p.m. N/A 3.0 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 29, 2021, 7 p.m. N/A 2.8 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 29, 2021, 6 p.m. N/A 3.4 ppb (4) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 28.0 ppb (26) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 29, 2021, 5 p.m. N/A 4.3 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.5 μg/m3 (36) 36.0
 
July 29, 2021, 4 p.m. N/A 6.4 ppb (7) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 3 p.m. N/A 3.4 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 29, 2021, 2 p.m. N/A 14.4 ppb (14) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 29, 2021, 1 p.m. N/A 10.2 ppb (10) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 29, 2021, noon N/A 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 29, 2021, 11 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 29, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 6.5 μg/m3 (28) 28.0
 
July 29, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 29, 2021, 8 a.m. N/A 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 29, 2021, 7 a.m. N/A 0.2 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 5.8 μg/m3 (25) 25.0
 
July 29, 2021, 6 a.m. N/A 1.1 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 29, 2021, 5 a.m. N/A 1.1 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 10.6 μg/m3 (45) 45.0
 
July 29, 2021, 4 a.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
July 29, 2021, 3 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.6 μg/m3 (20) 34.0
 
July 29, 2021, 2 a.m. N/A 1.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 5.1 μg/m3 (22) 35.0
 
July 29, 2021, 1 a.m. N/A 1.5 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 5.9 μg/m3 (25) 36.0
 
July 29, 2021, midnight N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 7.1 μg/m3 (30) 38.0
 
July 28, 2021, 11 p.m. N/A 2.3 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 7.4 μg/m3 (31) 37.0
 
July 28, 2021, 10 p.m. N/A 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 7.6 μg/m3 (32) 35.0
 
July 28, 2021, 9 p.m. N/A 2.2 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 28, 2021, 8 p.m. N/A 3.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 7.8 μg/m3 (33) 33.0
 
July 28, 2021, 7 p.m. N/A 2.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 6 p.m. N/A 3.1 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 28, 2021, 5 p.m. N/A 4.4 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 28, 2021, 4 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 3 p.m. N/A 3.6 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 2 p.m. N/A 22.0 ppb (21) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 28, 2021, 1 p.m. N/A 5.8 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, noon N/A 1.8 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 28, 2021, 11 a.m. N/A 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 10 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 8 a.m. N/A 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 7 a.m. N/A 0.3 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 28, 2021, 6 a.m. N/A 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.3 μg/m3 (27) 27.0
 
July 28, 2021, 5 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 28, 2021, 4 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 4.3 μg/m3 (18) 20.0
 
July 28, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.8 μg/m3 (20) 24.0
 
July 28, 2021, 2 a.m. N/A 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 5.8 μg/m3 (25) 25.0
 
July 28, 2021, 1 a.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 6.1 μg/m3 (26) 27.0
 
July 28, 2021, midnight N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 7.1 μg/m3 (30) 33.0
 
July 27, 2021, 11 p.m. N/A 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 7.8 μg/m3 (33) 36.0