ID: 5322

AQSQID: 000103502

Site Name: Castlegar Zinio Park

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

Updated: Sept. 18, 2021, 6:59 p.m.

Location: Castlegar (9th Ave Ave), CC

Reporting: True, Located: True

Current AQI: 55.0

Castlegar (9th Ave Ave) CC, CA: 49.317501, -117.661697

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2021, 5 p.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 8.0 μg/m3 (8) 13.7 μg/m3 (55) 55.0
 
Sept. 18, 2021, 4 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 8.0 μg/m3 (8) 8.2 μg/m3 (35) 35.0
 
Sept. 18, 2021, 3 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 8.0 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
Sept. 18, 2021, 2 p.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 6.0 μg/m3 (6) 4.2 μg/m3 (18) 18.0
 
Sept. 18, 2021, 1 p.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 11.0 μg/m3 (11) 2.9 μg/m3 (13) 13.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 2.4 μg/m3 (10) 11.0
 
Sept. 18, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (7) N/A 9.0 μg/m3 (9) 7.5 μg/m3 (32) 32.0
 
Sept. 18, 2021, 10 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 9.0 μg/m3 (9) 9.7 μg/m3 (41) 41.0
 
Sept. 18, 2021, 9 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 3.0 μg/m3 (3) 9.7 μg/m3 (41) 41.0
 
Sept. 18, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 5.0 μg/m3 (5) 7.5 μg/m3 (32) 32.0
 
Sept. 18, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 7.0 μg/m3 (7) 4.2 μg/m3 (18) 18.0
 
Sept. 18, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 3.0 μg/m3 (3) 3.9 μg/m3 (17) 17.0
 
Sept. 18, 2021, 5 a.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 8.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
Sept. 18, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 3.0 μg/m3 (3) 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 4.0 μg/m3 (4) 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2021, 2 a.m. N/A 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 6.0 μg/m3 (6) 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2021, 1 a.m. N/A 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 5.0 μg/m3 (5) 10.5 μg/m3 (44) 44.0
 
Sept. 18, 2021, midnight N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 3.0 μg/m3 (3) 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2021, 11 p.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 5.0 μg/m3 (5) 5.8 μg/m3 (25) 25.0
 
Sept. 17, 2021, 10 p.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 6.0 μg/m3 (6) 3.6 μg/m3 (16) 23.0
 
Sept. 17, 2021, 9 p.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 3.0 μg/m3 (3) 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2021, 8 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 5.0 μg/m3 (5) 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2021, 7 p.m. N/A 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Sept. 17, 2021, 6 p.m. N/A 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 3.0 μg/m3 (3) 5.3 μg/m3 (23) 23.0
 
Sept. 17, 2021, 5 p.m. N/A 2.4 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 11.0 μg/m3 (11) 3.4 μg/m3 (15) 15.0
 
Sept. 17, 2021, 4 p.m. N/A 3.1 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (7) N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
Sept. 17, 2021, 3 p.m. N/A 3.4 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 8.0 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
Sept. 17, 2021, 2 p.m. N/A 2.0 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 7.0 μg/m3 (7) 2.2 μg/m3 (10) 10.0
 
Sept. 17, 2021, 1 p.m. N/A 1.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (7) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Sept. 17, 2021, noon N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.5 μg/m3 (11) 11.0
 
Sept. 17, 2021, 10 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 8.0 μg/m3 (8) 2.5 μg/m3 (11) 12.0
 
Sept. 17, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 14.0
 
Sept. 17, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 12.0 μg/m3 (12) 2.5 μg/m3 (11) 14.0
 
Sept. 17, 2021, 7 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 13.0
 
Sept. 17, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 15.0
 
Sept. 17, 2021, 5 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 9.0 μg/m3 (9) 2.3 μg/m3 (10) 13.0
 
Sept. 17, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
Sept. 17, 2021, 3 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
Sept. 17, 2021, 2 a.m. N/A 4.3 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 11.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Sept. 17, 2021, 1 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 9.0 μg/m3 (9) 4.4 μg/m3 (19) 19.0
 
Sept. 17, 2021, midnight N/A 1.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 21.0
 
Sept. 16, 2021, 11 p.m. N/A 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 0.0 μg/m3 (0) 2.1 μg/m3 (9) 29.0
 
Sept. 16, 2021, 10 p.m. N/A 0.4 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 0.0 μg/m3 (0) 2.1 μg/m3 (9) 30.0
 
Sept. 16, 2021, 9 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 0.0 μg/m3 (0) 2.1 μg/m3 (9) 28.0
 
Sept. 16, 2021, 8 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 0.0 μg/m3 (0) 1.5 μg/m3 (7) 28.0
 
Sept. 16, 2021, 7 p.m. N/A 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 25.0
 
Sept. 16, 2021, 6 p.m. N/A 2.7 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 13.0 μg/m3 (13) 2.6 μg/m3 (11) 23.0
 
Sept. 16, 2021, 5 p.m. N/A 3.4 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 10.0 μg/m3 (10) 4.2 μg/m3 (18) 19.0
 
Sept. 16, 2021, 4 p.m. N/A 1.9 ppb (2) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 18.0 ppb (17) N/A 7.0 μg/m3 (7) 2.8 μg/m3 (12) 17.0
 
Sept. 16, 2021, 3 p.m. N/A 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 7.0 μg/m3 (7) 2.5 μg/m3 (11) 14.0
 
Sept. 16, 2021, 2 p.m. N/A 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 11.0
 
Sept. 16, 2021, 1 p.m. N/A 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 9.0 μg/m3 (9) 2.6 μg/m3 (11) 13.0
 
Sept. 16, 2021, noon N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 14.0
 
Sept. 16, 2021, 11 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 19.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
Sept. 16, 2021, 9 a.m. N/A 0.3 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 23.0
 
Sept. 16, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 25.0
 
Sept. 16, 2021, 7 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 26.0
 
Sept. 16, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 0.0 μg/m3 (0) 1.9 μg/m3 (8) 26.0
 
Sept. 16, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 27.0
 
Sept. 16, 2021, 4 a.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 14.0 μg/m3 (13) 1.9 μg/m3 (8) 28.0
 
Sept. 16, 2021, 3 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 6.0 μg/m3 (6) 1.6 μg/m3 (7) 29.0
 
Sept. 16, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 3.0 μg/m3 (3) 1.6 μg/m3 (7) 30.0
 
Sept. 16, 2021, 1 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 33.0
 
Sept. 16, 2021, midnight N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 4.0 μg/m3 (4) 0.9 μg/m3 (4) 34.0
 
Sept. 15, 2021, 11 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 4.0 μg/m3 (4) 1.1 μg/m3 (5) 31.0
 
Sept. 15, 2021, 10 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 2.0 μg/m3 (2) 2.1 μg/m3 (9) 33.0
 
Sept. 15, 2021, 9 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.5 μg/m3 (7) 36.0
 
Sept. 15, 2021, 8 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 0.0 μg/m3 (0) 1.7 μg/m3 (8) 36.0
 
Sept. 15, 2021, 7 p.m. N/A 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 31.0
 
Sept. 15, 2021, 6 p.m. N/A 1.6 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 7.0 μg/m3 (7) 1.4 μg/m3 (6) 29.0
 
Sept. 15, 2021, 5 p.m. N/A 2.8 ppb (3) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 24.0 ppb (23) N/A 14.0 μg/m3 (13) 4.5 μg/m3 (19) 23.0
 
Sept. 15, 2021, 4 p.m. N/A 1.6 ppb (2) N/A 3.0 ppb (3) N/A 5.0 ppb (8) 19.0 ppb (18) N/A 15.0 μg/m3 (14) 13.8 μg/m3 (55) 55.0
 
Sept. 15, 2021, 3 p.m. N/A 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 14.0 μg/m3 (13) 14.5 μg/m3 (57) 57.0
 
Sept. 15, 2021, 2 p.m. N/A 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 13.0 μg/m3 (13) 13.0 μg/m3 (53) 53.0
 
Sept. 15, 2021, 1 p.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 13.0 μg/m3 (13) 9.9 μg/m3 (42) 42.0
 
Sept. 15, 2021, noon N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (8) N/A 13.0 μg/m3 (13) 11.8 μg/m3 (50) 50.0
 
Sept. 15, 2021, 11 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 11.0 μg/m3 (11) 17.2 μg/m3 (62) 62.0
 
Sept. 15, 2021, 10 a.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 10.0 μg/m3 (10) 10.9 μg/m3 (46) 46.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 14.7 μg/m3 (57) 57.0
 
Sept. 15, 2021, 8 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 8.0 ppb (8) N/A 9.0 μg/m3 (9) 15.8 μg/m3 (59) 59.0
 
Sept. 15, 2021, 7 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 8.0 ppb (8) N/A 11.0 μg/m3 (11) 11.7 μg/m3 (49) 49.0
 
Sept. 15, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 9.0 μg/m3 (9) 13.3 μg/m3 (54) 54.0
 
Sept. 15, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 9.0 μg/m3 (9) 15.8 μg/m3 (59) 59.0
 
Sept. 15, 2021, 4 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 10.0 μg/m3 (10) 19.6 μg/m3 (67) 67.0
 
Sept. 15, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 12.0 μg/m3 (12) 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2021, 2 a.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 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2021, 1 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 15.0 μg/m3 (14) 10.9 μg/m3 (46) 46.0
 
Sept. 15, 2021, midnight N/A 0.6 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 18.0 μg/m3 (17) 13.8 μg/m3 (55) 55.0
 
Sept. 14, 2021, 11 p.m. N/A 1.3 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 21.0 ppb (20) N/A 19.0 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
Sept. 14, 2021, 10 p.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 5.0 ppb (8) 31.0 ppb (29) N/A 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Sept. 14, 2021, 9 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 6.0 ppb (9) 30.0 ppb (28) N/A 7.0 μg/m3 (7) 6.1 μg/m3 (26) 28.0
 
Sept. 14, 2021, 8 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 3.0 ppb (5) 29.0 ppb (27) N/A 4.0 μg/m3 (4) 7.5 μg/m3 (32) 32.0
 
Sept. 14, 2021, 7 p.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 7.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2021, 6 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 7.0 μg/m3 (7) 4.9 μg/m3 (21) 25.0
 
Sept. 14, 2021, 5 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 7.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
Sept. 14, 2021, 4 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 11.0 μg/m3 (11) 4.9 μg/m3 (21) 21.0
 
Sept. 14, 2021, 3 p.m. N/A 2.6 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 8.0 μg/m3 (8) 5.1 μg/m3 (22) 22.0
 
Sept. 14, 2021, 2 p.m. N/A 5.3 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Sept. 14, 2021, 1 p.m. N/A 2.5 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 10.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2021, noon N/A 2.0 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 12.0 μg/m3 (12) 8.5 μg/m3 (36) 36.0
 
Sept. 14, 2021, 11 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (8) N/A 13.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2021, 10 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Sept. 14, 2021, 9 a.m. N/A 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 14, 2021, 7 a.m. N/A 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
Sept. 14, 2021, 6 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 12.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
Sept. 14, 2021, 5 a.m. N/A 0.5 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 4 a.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 3 a.m. N/A 0.7 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 13.0 μg/m3 (13) 9.4 μg/m3 (40) 40.0
 
Sept. 14, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 8.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 1 a.m. N/A 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 8.0 μg/m3 (8) 8.0 μg/m3 (34) 34.0
 
Sept. 14, 2021, midnight N/A 1.9 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 7.0 μg/m3 (7) 6.6 μg/m3 (28) 28.0
 
Sept. 13, 2021, 11 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 6.0 μg/m3 (6) 5.7 μg/m3 (24) 34.0
 
Sept. 13, 2021, 10 p.m. N/A 1.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 7.0 μg/m3 (7) 7.3 μg/m3 (31) 35.0
 
Sept. 13, 2021, 9 p.m. N/A 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 4.0 μg/m3 (4) 7.7 μg/m3 (33) 34.0
 
Sept. 13, 2021, 8 p.m. N/A 8.2 ppb (8) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 8.0 μg/m3 (8) 9.3 μg/m3 (39) 39.0
 
Sept. 13, 2021, 7 p.m. N/A 2.4 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2021, 6 p.m. N/A 3.2 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 13, 2021, 5 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 14.0 μg/m3 (13) 3.7 μg/m3 (16) 20.0
 
Sept. 13, 2021, 4 p.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 15.0 μg/m3 (14) 2.9 μg/m3 (13) 16.0
 
Sept. 13, 2021, 3 p.m. N/A 2.5 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
Sept. 13, 2021, 2 p.m. N/A 5.3 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
Sept. 13, 2021, 1 p.m. N/A 4.9 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 13.0 μg/m3 (13) 5.1 μg/m3 (22) 22.0
 
Sept. 13, 2021, noon N/A 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 11.0 μg/m3 (11) 4.1 μg/m3 (18) 18.0
 
Sept. 13, 2021, 11 a.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 12.0 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
Sept. 13, 2021, 10 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 4.0 ppb (4) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
Sept. 13, 2021, 9 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 4.0 ppb (4) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (17) 17.0
 
Sept. 13, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 6.0 ppb (6) N/A 7.0 μg/m3 (7) 3.7 μg/m3 (16) 16.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.6 μg/m3 (16) 16.0
 
Sept. 13, 2021, 6 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
Sept. 13, 2021, 5 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 12.0 ppb (12) N/A 11.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Sept. 13, 2021, 4 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 14.0 ppb (13) N/A 11.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Sept. 13, 2021, 3 a.m. N/A 1.2 ppb (2) N/A 6.0 ppb (6) N/A 3.0 ppb (5) 17.0 ppb (16) N/A 6.0 μg/m3 (6) 7.2 μg/m3 (31) 31.0
 
Sept. 13, 2021, 2 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 26.0 ppb (25) N/A 5.0 μg/m3 (5) 7.2 μg/m3 (31) 31.0
 
Sept. 13, 2021, 1 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 5.0 μg/m3 (5) 6.2 μg/m3 (26) 27.0
 
Sept. 13, 2021, midnight N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 12.0 μg/m3 (12) 6.5 μg/m3 (28) 31.0
 
Sept. 12, 2021, 11 p.m. N/A 1.0 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
Sept. 12, 2021, 10 p.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Sept. 12, 2021, 9 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 9.0 μg/m3 (9) 7.2 μg/m3 (31) 31.0
 
Sept. 12, 2021, 8 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 29.0 ppb (27) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Sept. 12, 2021, 7 p.m. N/A 5.6 ppb (6) N/A 10.0 ppb (10) N/A 7.0 ppb (10) 23.0 ppb (22) N/A 17.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Sept. 12, 2021, 6 p.m. N/A 1.2 ppb (2) N/A 3.0 ppb (3) N/A 9.0 ppb (13) 23.0 ppb (22) N/A 18.0 μg/m3 (17) 6.9 μg/m3 (29) 29.0
 
Sept. 12, 2021, 5 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 14.0 ppb (20) 17.0 ppb (16) N/A 13.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
Sept. 12, 2021, 4 p.m. N/A 1.2 ppb (2) N/A 4.0 ppb (4) N/A 23.0 ppb (33) 13.0 ppb (13) N/A 18.0 μg/m3 (17) 13.3 μg/m3 (54) 54.0
 
Sept. 12, 2021, 3 p.m. N/A 0.9 ppb (1) N/A 4.0 ppb (4) N/A 20.0 ppb (29) 10.0 ppb (10) N/A 19.0 μg/m3 (18) 13.7 μg/m3 (55) 55.0
 
Sept. 12, 2021, 2 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 10.0 ppb (15) 8.0 ppb (8) N/A 19.0 μg/m3 (18) 13.5 μg/m3 (54) 54.0
 
Sept. 12, 2021, 1 p.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 9.0 ppb (13) 8.0 ppb (8) N/A 19.0 μg/m3 (18) 13.8 μg/m3 (55) 55.0
 
Sept. 12, 2021, noon N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 9.0 ppb (13) 10.0 ppb (10) N/A 16.0 μg/m3 (15) 12.9 μg/m3 (53) 53.0
 
Sept. 12, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 11.0 ppb (16) 12.0 ppb (12) N/A 19.0 μg/m3 (18) 12.7 μg/m3 (53) 53.0
 
Sept. 12, 2021, 10 a.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 13.0 ppb (19) 13.0 ppb (13) N/A 22.0 μg/m3 (21) 13.3 μg/m3 (54) 54.0
 
Sept. 12, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 10.0 ppb (15) 12.0 ppb (12) N/A 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 9.0 ppb (13) 14.0 ppb (13) N/A 18.0 μg/m3 (17) 15.0 μg/m3 (58) 58.0
 
Sept. 12, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 11.0 ppb (11) N/A 18.0 μg/m3 (17) 17.2 μg/m3 (62) 62.0
 
Sept. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 18.4 μg/m3 (65) 65.0
 
Sept. 12, 2021, 5 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 21.0 μg/m3 (20) 20.3 μg/m3 (69) 69.0
 
Sept. 12, 2021, 4 a.m. N/A 0.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 9.0 ppb (9) N/A 23.0 μg/m3 (22) 24.0 μg/m3 (77) 77.0
 
Sept. 12, 2021, 3 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 27.0 μg/m3 (25) 23.3 μg/m3 (75) 75.0
 
Sept. 12, 2021, 2 a.m. N/A 0.3 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 11.0 ppb (11) N/A 28.0 μg/m3 (26) 22.5 μg/m3 (73) 73.0
 
Sept. 12, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 20.0 ppb (19) N/A 24.0 μg/m3 (23) 20.1 μg/m3 (68) 68.0
 
Sept. 12, 2021, midnight N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 27.0 ppb (25) N/A 19.0 μg/m3 (18) 20.1 μg/m3 (68) 68.0
 
Sept. 11, 2021, 11 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A 27.0 μg/m3 (25) 21.9 μg/m3 (72) 72.0
 
Sept. 11, 2021, 10 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 27.0 μg/m3 (25) 23.3 μg/m3 (75) 75.0
 
Sept. 11, 2021, 9 p.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 33.0 μg/m3 (31) 27.0 μg/m3 (83) 83.0
 
Sept. 11, 2021, 8 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 25.0 ppb (24) N/A 30.0 μg/m3 (28) 32.0 μg/m3 (93) 93.0
 
Sept. 11, 2021, 7 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 23.0 ppb (22) N/A 42.0 μg/m3 (39) 42.2 μg/m3 (118) 118.0
 
Sept. 11, 2021, 6 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 7.0 ppb (10) 21.0 ppb (20) N/A 45.0 μg/m3 (42) 51.0 μg/m3 (140) 140.0