ID: 9804

AQSQID: 124000101706

Site Name: Quesnel Johnston Avenue

Added: Nov. 20, 2021, 5:40 a.m.

Updated: May 19, 2022, 8:34 a.m.

Location: Quesnel (Johnston Ave), N/A

Reporting: True, Located: True

Current AQI: 23.0

Quesnel (Johnston Ave) N/A, CA: 52.96936, -122.4934

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2022, 7 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 6.0 μg/m3 (6) 1.3 μg/m3 (6) 23.0
 
May 19, 2022, 6 a.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 23.0
 
May 19, 2022, 5 a.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 20.0 μg/m3 (19) 5.8 μg/m3 (25) 25.0
 
May 19, 2022, 4 a.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 10.0 μg/m3 (10) 9.5 μg/m3 (40) 40.0
 
May 19, 2022, 3 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 1.0 μg/m3 (1) 2.7 μg/m3 (12) 29.0
 
May 19, 2022, 2 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 36.0
 
May 19, 2022, 1 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 19.0 μg/m3 (18) 5.1 μg/m3 (22) 37.0
 
May 18, 2022, 11 p.m. N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 3.0 μg/m3 (3) 3.4 μg/m3 (15) 37.0
 
May 18, 2022, 10 p.m. N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 16.0 μg/m3 (15) 0.9 μg/m3 (4) 39.0
 
May 18, 2022, 9 p.m. N/A 3.0 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 12.0 μg/m3 (12) 3.7 μg/m3 (16) 35.0
 
May 18, 2022, 8 p.m. N/A 4.0 ppb (4) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 17.0 μg/m3 (16) 4.5 μg/m3 (19) 36.0
 
May 18, 2022, 7 p.m. N/A 3.7 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 25.0 μg/m3 (24) 4.8 μg/m3 (20) 37.0
 
May 18, 2022, 5 p.m. N/A 3.8 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 9.0 μg/m3 (9) 6.5 μg/m3 (28) 29.0
 
May 18, 2022, 4 p.m. N/A 3.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 1.0 μg/m3 (1) 5.2 μg/m3 (22) 29.0
 
May 18, 2022, 4 p.m. N/A 3.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 1.0 μg/m3 (1) 5.2 μg/m3 (22) 29.0
 
May 18, 2022, 3 p.m. N/A 2.7 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 0.0 μg/m3 (0) 1.6 μg/m3 (7) 33.0
 
May 18, 2022, 3 p.m. N/A 2.7 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 0.0 μg/m3 (0) 1.6 μg/m3 (7) 33.0
 
May 18, 2022, 2 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 36.0
 
May 18, 2022, 2 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 36.0
 
May 18, 2022, 1 p.m. N/A 2.6 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 20.0 μg/m3 (19) 6.3 μg/m3 (27) 31.0
 
May 18, 2022, 1 p.m. N/A 2.6 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 20.0 μg/m3 (19) 6.3 μg/m3 (27) 31.0
 
May 18, 2022, noon N/A 2.3 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
May 18, 2022, noon N/A 2.3 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
May 18, 2022, 11 a.m. N/A 2.3 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A 14.0 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
May 18, 2022, 10 a.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A 10.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
May 18, 2022, 2 a.m. N/A 2.3 ppb (3) N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A 7.0 μg/m3 (7) 1.7 μg/m3 (8) 39.0
 
May 18, 2022, 1 a.m. N/A 2.8 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 10.0 μg/m3 (10) 1.6 μg/m3 (7) 38.0
 
May 18, 2022, midnight N/A 3.3 ppb (4) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 38.0
 
May 17, 2022, 11 p.m. N/A 3.2 ppb (4) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 38.0
 
May 17, 2022, 10 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 2.0 μg/m3 (2) 1.7 μg/m3 (8) 39.0
 
May 17, 2022, 9 p.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (10) 40.0
 
May 17, 2022, 9 p.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (10) 40.0
 
May 17, 2022, 8 p.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 3.0 μg/m3 (3) 1.4 μg/m3 (6) 40.0
 
May 17, 2022, 7 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 1.0 μg/m3 (1) 1.8 μg/m3 (8) 39.0
 
May 17, 2022, 7 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 1.0 μg/m3 (1) 1.8 μg/m3 (8) 39.0
 
May 17, 2022, 6 p.m. N/A 2.3 ppb (3) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 39.0
 
May 17, 2022, 6 p.m. N/A 2.3 ppb (3) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 39.0
 
May 17, 2022, 5 p.m. N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 20.0 μg/m3 (19) 3.8 μg/m3 (16) 35.0
 
May 17, 2022, 5 p.m. N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 20.0 μg/m3 (19) 3.8 μg/m3 (16) 35.0
 
May 17, 2022, 4 p.m. N/A 4.9 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 33.0 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
May 17, 2022, 4 p.m. N/A 4.9 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 33.0 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
May 17, 2022, 3 p.m. N/A 4.6 ppb (5) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 16.0 ppb (15) N/A 31.0 μg/m3 (29) 20.0 μg/m3 (68) 68.0
 
May 17, 2022, 3 p.m. N/A 4.6 ppb (5) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 16.0 ppb (15) N/A 31.0 μg/m3 (29) 20.0 μg/m3 (68) 68.0
 
May 17, 2022, 2 p.m. N/A 4.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 22.0 μg/m3 (21) 18.2 μg/m3 (64) 64.0
 
May 17, 2022, noon N/A 7.0 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 8.0 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
May 17, 2022, noon N/A 7.0 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 8.0 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
May 17, 2022, 10 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 9.0 μg/m3 (9) 3.4 μg/m3 (15) 15.0
 
May 17, 2022, 10 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 9.0 μg/m3 (9) 3.4 μg/m3 (15) 15.0
 
May 17, 2022, 9 a.m. N/A 2.1 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
May 17, 2022, 8 a.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A 17.0 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
May 17, 2022, 5 a.m. N/A 2.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 17, 2022, 4 a.m. N/A 2.7 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 14.0 μg/m3 (13) 2.7 μg/m3 (12) 16.0
 
May 17, 2022, 3 a.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 10.0 μg/m3 (10) 1.3 μg/m3 (6) 24.0
 
May 17, 2022, 2 a.m. N/A 2.2 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 1.0 μg/m3 (1) 1.1 μg/m3 (5) 35.0
 
May 17, 2022, 1 a.m. N/A 2.3 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 8.0 μg/m3 (8) 1.1 μg/m3 (5) 35.0
 
May 17, 2022, midnight N/A 3.1 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (8) 34.0
 
May 16, 2022, 11 p.m. N/A 3.4 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 9.0 μg/m3 (9) 2.7 μg/m3 (12) 34.0
 
May 16, 2022, 10 p.m. N/A 3.4 ppb (4) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 10.0 μg/m3 (10) 2.6 μg/m3 (11) 31.0
 
May 16, 2022, 9 p.m. N/A 3.9 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 12.0 μg/m3 (12) 3.2 μg/m3 (14) 26.0
 
May 16, 2022, 8 p.m. N/A 4.3 ppb (5) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 2.3 μg/m3 (10) 29.0
 
May 16, 2022, 7 p.m. N/A 4.2 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 9.0 μg/m3 (9) 2.4 μg/m3 (10) 27.0
 
May 16, 2022, 5 p.m. N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 32.0
 
May 16, 2022, 5 p.m. N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 32.0
 
May 16, 2022, 4 p.m. N/A 2.7 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 6.0 μg/m3 (6) 1.5 μg/m3 (7) 30.0
 
May 16, 2022, 3 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 2.1 μg/m3 (9) 27.0
 
May 16, 2022, 2 p.m. N/A 2.8 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 25.0
 
May 16, 2022, 1 p.m. N/A 2.4 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 23.0 ppb (22) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 22.0
 
May 16, 2022, 6 a.m. N/A 2.3 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 10.0 μg/m3 (10) 4.2 μg/m3 (18) 24.0
 
May 16, 2022, 5 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 26.0
 
May 16, 2022, 4 a.m. N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 8.0 μg/m3 (8) 4.8 μg/m3 (20) 24.0
 
May 16, 2022, 3 a.m. N/A 2.6 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 33.0
 
May 16, 2022, 2 a.m. N/A 2.5 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 0.0 μg/m3 (0) 0.9 μg/m3 (4) 36.0
 
May 16, 2022, 2 a.m. N/A 2.5 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 0.0 μg/m3 (0) 0.9 μg/m3 (4) 36.0
 
May 16, 2022, 1 a.m. N/A 2.6 ppb (3) N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A 9.0 μg/m3 (9) 1.4 μg/m3 (6) 36.0
 
May 16, 2022, midnight N/A 2.6 ppb (3) N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) N/A 10.0 μg/m3 (10) 0.8 μg/m3 (4) 38.0
 
May 15, 2022, 10 p.m. N/A 2.6 ppb (3) N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (4) 41.0
 
May 15, 2022, 8 p.m. N/A 2.5 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 0.0 μg/m3 (0) 1.0 μg/m3 (5) 47.0
 
May 15, 2022, 7 p.m. N/A 2.5 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 6.0 μg/m3 (6) 0.9 μg/m3 (4) 44.0
 
May 15, 2022, 6 p.m. N/A 2.8 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 0.0 μg/m3 (0) 2.1 μg/m3 (9) 39.0
 
May 15, 2022, 5 p.m. N/A 2.4 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 0.0 μg/m3 (0) 0.8 μg/m3 (4) 39.0
 
May 15, 2022, 4 p.m. N/A 2.4 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 36.0
 
May 15, 2022, 10 a.m. N/A 2.1 ppb (2) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 19.0 μg/m3 (18) 15.1 μg/m3 (58) 58.0
 
May 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 13.3 μg/m3 (54) 54.0
 
May 15, 2022, 8 a.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 19.0 μg/m3 (18) 12.4 μg/m3 (52) 52.0
 
May 15, 2022, 7 a.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A 17.0 μg/m3 (16) 7.9 μg/m3 (33) 33.0
 
May 15, 2022, 6 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 11.7 μg/m3 (49) 49.0
 
May 15, 2022, 6 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 11.7 μg/m3 (49) 49.0
 
May 15, 2022, 5 a.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
May 15, 2022, 5 a.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
May 15, 2022, 4 a.m. N/A 2.2 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 5.9 μg/m3 (25) 27.0
 
May 15, 2022, 3 a.m. N/A 2.3 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 9.0 μg/m3 (9) 5.4 μg/m3 (23) 34.0
 
May 15, 2022, 2 a.m. N/A 2.6 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 11.0 μg/m3 (11) 4.3 μg/m3 (18) 38.0
 
May 15, 2022, midnight N/A 2.3 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 41.0
 
May 14, 2022, 10 p.m. N/A 2.4 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 42.0
 
May 14, 2022, 9 p.m. N/A 2.4 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (9) 41.0
 
May 14, 2022, 8 p.m. N/A 2.1 ppb (2) N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) N/A 0.0 μg/m3 (0) 1.8 μg/m3 (8) 41.0
 
May 14, 2022, 7 p.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 41.0
 
May 14, 2022, 6 p.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 8.0 μg/m3 (8) 2.8 μg/m3 (12) 36.0
 
May 14, 2022, 5 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 33.0
 
May 14, 2022, 5 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 33.0
 
May 14, 2022, 5 p.m. N/A 2.7 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 33.0
 
May 14, 2022, 4 p.m. N/A 2.8 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 5.6 μg/m3 (24) 28.0
 
May 14, 2022, 3 p.m. N/A 3.9 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 21.0
 
May 14, 2022, 9 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 7.0 μg/m3 (7) 11.1 μg/m3 (47) 47.0
 
May 14, 2022, 8 a.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
May 14, 2022, 7 a.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 11.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
May 14, 2022, 6 a.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 10.0 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
May 14, 2022, 5 a.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 2.0 μg/m3 (2) 4.5 μg/m3 (19) 24.0
 
May 14, 2022, 4 a.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 7.0 μg/m3 (7) 3.5 μg/m3 (15) 30.0
 
May 14, 2022, 2 a.m. N/A 1.8 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 13.0 μg/m3 (13) 1.5 μg/m3 (7) 39.0
 
May 14, 2022, 1 a.m. N/A 2.4 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 11.0 μg/m3 (11) 1.4 μg/m3 (6) 40.0
 
May 14, 2022, midnight N/A 2.2 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 9.0 μg/m3 (9) 1.3 μg/m3 (6) 41.0
 
May 14, 2022, midnight N/A 2.2 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 9.0 μg/m3 (9) 1.3 μg/m3 (6) 41.0
 
May 13, 2022, 6 p.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (4) 39.0
 
May 13, 2022, 3 p.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 33.0
 
May 13, 2022, 2 p.m. N/A 4.1 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 1.0 μg/m3 (1) 0.4 μg/m3 (2) 34.0
 
May 13, 2022, 1 p.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 7.0 μg/m3 (7) 1.8 μg/m3 (8) 33.0
 
May 13, 2022, noon N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 33.0
 
May 13, 2022, 10 a.m. N/A 1.9 ppb (2) N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A 7.0 μg/m3 (7) 0.8 μg/m3 (4) 31.0
 
May 13, 2022, 10 a.m. N/A 1.9 ppb (2) N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A 7.0 μg/m3 (7) 0.8 μg/m3 (4) 31.0
 
May 13, 2022, 9 a.m. N/A 1.9 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 32.0
 
May 13, 2022, 9 a.m. N/A 1.9 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 32.0
 
May 13, 2022, 8 a.m. N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 4.6 μg/m3 (20) 27.0
 
May 13, 2022, 7 a.m. N/A 1.9 ppb (2) N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A 3.0 μg/m3 (3) 5.2 μg/m3 (22) 28.0
 
May 13, 2022, 6 a.m. N/A 1.9 ppb (2) N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A 9.0 μg/m3 (9) 2.9 μg/m3 (13) 28.0
 
May 13, 2022, 5 a.m. N/A 2.0 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 36.0
 
May 13, 2022, 4 a.m. N/A 2.1 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 38.0
 
May 13, 2022, 2 a.m. N/A 2.3 ppb (3) N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 43.0
 
May 13, 2022, 1 a.m. N/A 2.3 ppb (3) N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A 8.0 μg/m3 (8) 2.4 μg/m3 (10) 44.0
 
May 13, 2022, midnight N/A 2.4 ppb (3) N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A 8.0 μg/m3 (8) 2.2 μg/m3 (10) 45.0
 
May 12, 2022, 11 p.m. N/A 2.6 ppb (3) N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 43.0
 
May 12, 2022, 10 p.m. N/A 2.4 ppb (3) N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A 6.0 μg/m3 (6) 1.8 μg/m3 (8) 44.0
 
May 12, 2022, 9 p.m. N/A 2.3 ppb (3) N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A 6.0 μg/m3 (6) 1.8 μg/m3 (8) 44.0
 
May 12, 2022, 8 p.m. N/A 2.4 ppb (3) N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) N/A 0.0 μg/m3 (0) 1.6 μg/m3 (7) 43.0
 
May 12, 2022, 7 p.m. N/A 2.4 ppb (3) N/A N/A N/A 1.0 ppb (2) 45.0 ppb (42) N/A 1.0 μg/m3 (1) 1.2 μg/m3 (5) 42.0
 
May 12, 2022, 7 p.m. N/A 2.4 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 1.0 μg/m3 (1) 1.2 μg/m3 (5) 42.0
 
May 12, 2022, 6 p.m. N/A 2.3 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 6.0 μg/m3 (6) 1.1 μg/m3 (5) 41.0
 
May 12, 2022, 5 p.m. N/A 2.2 ppb (3) N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 39.0
 
May 12, 2022, 5 p.m. N/A 2.2 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 39.0
 
May 12, 2022, 4 p.m. N/A 2.4 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (19) 38.0
 
May 12, 2022, 4 p.m. N/A 2.4 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (19) 38.0
 
May 12, 2022, 3 p.m. N/A 6.1 ppb (6) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
May 12, 2022, 3 p.m. N/A 6.1 ppb (6) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
May 12, 2022, 2 p.m. N/A 3.7 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
May 12, 2022, 2 p.m. N/A 3.7 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
May 12, 2022, 1 p.m. N/A 4.6 ppb (5) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 20.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
May 12, 2022, noon N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 14.0 μg/m3 (13) 13.7 μg/m3 (55) 55.0
 
May 12, 2022, 9 a.m. N/A 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 39.0 μg/m3 (37) 24.9 μg/m3 (78) 78.0
 
May 12, 2022, 8 a.m. N/A 2.1 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 43.0 μg/m3 (40) 23.6 μg/m3 (76) 76.0
 
May 12, 2022, 3 a.m. N/A 1.7 ppb (2) N/A -1.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 38.0
 
May 12, 2022, 1 a.m. N/A 2.0 ppb (2) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 38.0
 
May 12, 2022, midnight N/A 2.0 ppb (2) N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) N/A 9.0 μg/m3 (9) 1.7 μg/m3 (8) 39.0
 
May 11, 2022, 11 p.m. N/A 2.2 ppb (3) N/A N/A N/A 1.0 ppb (2) 43.0 ppb (40) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 40.0
 
May 11, 2022, 10 p.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 6.0 μg/m3 (6) 2.3 μg/m3 (10) 38.0
 
May 11, 2022, 9 p.m. N/A 2.5 ppb (3) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 36.0
 
May 11, 2022, 8 p.m. N/A 2.2 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 0.0 μg/m3 (0) 1.6 μg/m3 (7) 35.0
 
May 11, 2022, 7 p.m. N/A 2.2 ppb (3) N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 32.0
 
May 11, 2022, 6 p.m. N/A 2.3 ppb (3) N/A -1.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 29.0
 
May 11, 2022, 5 p.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 17.0 μg/m3 (16) 4.0 μg/m3 (17) 26.0
 
May 11, 2022, 4 p.m. N/A 7.0 ppb (7) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 21.0 μg/m3 (20) 7.1 μg/m3 (30) 30.0
 
May 11, 2022, 3 p.m. N/A 6.7 ppb (7) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 8.0 μg/m3 (8) 4.1 μg/m3 (18) 18.0
 
May 11, 2022, 2 p.m. N/A 6.8 ppb (7) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 6.0 μg/m3 (6) 2.9 μg/m3 (13) 13.0
 
May 11, 2022, 2 p.m. N/A 6.8 ppb (7) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 6.0 μg/m3 (6) 2.9 μg/m3 (13) 13.0
 
May 11, 2022, 1 p.m. N/A 2.6 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 11.0
 
May 11, 2022, 1 p.m. N/A 2.6 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 11.0
 
May 11, 2022, 11 a.m. N/A 2.9 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 3.0 ppb (3) N/A 10.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
May 11, 2022, 10 a.m. N/A 2.6 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 13.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
May 11, 2022, 9 a.m. N/A 3.2 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 19.0 μg/m3 (18) 8.7 μg/m3 (37) 37.0