ID: 5326

AQSQID: 000105504

Site Name: Fort St John Learning Centre

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

Updated: July 25, 2021, 9:54 p.m.

Location: Fort Saint John (99th Ave), CC

Reporting: True, Located: True

Current AQI: 25.0

Fort Saint John (99th Ave) CC, CA: 56.244722, -120.856111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 8 p.m. N/A 3.4 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
July 25, 2021, 7 p.m. N/A 3.4 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.5 μg/m3 (3) 24.0
 
July 25, 2021, 6 p.m. N/A 3.4 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 0.6 μg/m3 (3) 22.0
 
July 25, 2021, 5 p.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.7 μg/m3 (8) 18.0
 
July 25, 2021, 4 p.m. N/A 3.8 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 2.1 μg/m3 (9) 17.0
 
July 25, 2021, 3 p.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
July 25, 2021, 2 p.m. N/A 3.8 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 25, 2021, 1 p.m. N/A 3.9 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 25, 2021, noon N/A 3.8 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 25, 2021, 11 a.m. N/A 3.3 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 25, 2021, 10 a.m. N/A 3.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 25, 2021, 9 a.m. N/A 3.2 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 25, 2021, 8 a.m. N/A 3.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.5 μg/m3 (28) 28.0
 
July 25, 2021, 7 a.m. N/A 3.3 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
July 25, 2021, 4 a.m. N/A 3.3 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 25, 2021, 3 a.m. N/A 3.3 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 25, 2021, 2 a.m. N/A 3.5 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 25, 2021, 1 a.m. N/A 3.7 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 5.9 μg/m3 (25) 29.0
 
July 25, 2021, midnight N/A 3.9 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.1 μg/m3 (26) 30.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 24, 2021, 10 p.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.8 μg/m3 (12) 29.0
 
July 24, 2021, 9 p.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
July 24, 2021, 8 p.m. N/A 3.7 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
July 24, 2021, 7 p.m. N/A 3.8 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
July 24, 2021, 6 p.m. N/A 3.8 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
July 24, 2021, 5 p.m. N/A 3.7 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
July 24, 2021, 4 p.m. N/A 3.7 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.2 μg/m3 (5) 21.0
 
July 24, 2021, 3 p.m. N/A 4.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.3 μg/m3 (6) 19.0
 
July 24, 2021, 2 p.m. N/A 4.8 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.5 μg/m3 (7) 18.0
 
July 24, 2021, 1 p.m. N/A 4.9 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
July 24, 2021, noon N/A 4.6 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 1.1 μg/m3 (5) 16.0
 
July 24, 2021, 11 a.m. N/A 3.7 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 2.0 μg/m3 (9) 17.0
 
July 24, 2021, 10 a.m. N/A 3.4 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.3 μg/m3 (6) 19.0
 
July 24, 2021, 9 a.m. N/A 3.4 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.3 μg/m3 (6) 20.0
 
July 24, 2021, 8 a.m. N/A 3.6 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.5 μg/m3 (7) 21.0
 
July 24, 2021, 7 a.m. N/A 3.6 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 18.0
 
July 24, 2021, 4 a.m. N/A 3.6 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
July 24, 2021, 3 a.m. N/A 3.4 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.4 μg/m3 (6) 18.0
 
July 24, 2021, 2 a.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.2 μg/m3 (10) 19.0
 
July 24, 2021, 1 a.m. N/A 3.8 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.3 μg/m3 (10) 19.0
 
July 24, 2021, midnight N/A 4.1 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
July 23, 2021, 11 p.m. N/A 4.3 ppb (5) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
July 23, 2021, 9 p.m. N/A 4.5 ppb (5) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.3 μg/m3 (10) 21.0
 
July 23, 2021, 8 p.m. N/A 4.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
July 23, 2021, 7 p.m. N/A 4.3 ppb (5) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
July 23, 2021, 6 p.m. N/A 4.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.7 μg/m3 (8) 20.0
 
July 23, 2021, 5 p.m. N/A 4.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.2 μg/m3 (5) 19.0
 
July 23, 2021, 4 p.m. N/A 4.4 ppb (5) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.0 μg/m3 (5) 17.0
 
July 23, 2021, 3 p.m. N/A 4.4 ppb (5) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 0.8 μg/m3 (4) 16.0
 
July 23, 2021, 2 p.m. N/A 6.3 ppb (6) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 0.8 μg/m3 (4) 14.0
 
July 23, 2021, 1 p.m. N/A 4.6 ppb (5) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 0.7 μg/m3 (3) 15.0
 
July 23, 2021, noon N/A 4.1 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 0.7 μg/m3 (3) 16.0
 
July 23, 2021, 11 a.m. N/A 3.6 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 0.7 μg/m3 (3) 17.0
 
July 23, 2021, 10 a.m. N/A 3.3 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 0.6 μg/m3 (3) 17.0
 
July 23, 2021, 9 a.m. N/A 3.5 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 0.6 μg/m3 (3) 17.0
 
July 23, 2021, 8 a.m. N/A 3.4 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 0.7 μg/m3 (3) 17.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (1) 1.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (1) 1.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (1) 1.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (74) 74.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (57) 57.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (62) 62.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (69) 69.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
July 21, 2021, 1 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 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (49) 49.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (69) 69.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (72) 72.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.2 μg/m3 (111) 111.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.9 μg/m3 (105) 105.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (99) 99.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (94) 94.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (104) 104.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.2 μg/m3 (118) 118.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.5 μg/m3 (119) 119.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.6 μg/m3 (121) 121.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.6 μg/m3 (121) 121.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.5 μg/m3 (119) 119.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.2 μg/m3 (111) 111.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (99) 99.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (99) 99.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (74) 74.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
July 19, 2021, 7 p.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
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (107) 107.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (60) 60.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (71) 71.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (83) 83.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (90) 90.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (75) 75.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (70) 70.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
July 19, 2021, midnight 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
 
July 18, 2021, 11 p.m. 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
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
July 18, 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
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
July 18, 2021, 11 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
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0