AQSQID: 060659001

Site Name: Lake Elsinore - W. Flint Street

Location: Lake Elsinore (N Elsinore), CA

Reporting: True, Located: True

Current AQI: 40.0

Lake Elsinore (N Elsinore) CA, US: 33.676535, -117.331027

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2020, 6 a.m. 21.1 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.48 ppb (5) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
Jan. 25, 2020, 5 a.m. 31.7 ppb (29) 4.8 ppb (4) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.6 ppb (7) 25.0 μg/m3 (23) 9.7 μg/m3 (40) 40.0
 
Jan. 25, 2020, 4 a.m. 32.6 ppb (30) 5.1 ppb (5) N/A 28.0 ppb (26) N/A N/A 4.0 ppb (3) 0.62 ppb (7) 31.0 μg/m3 (28) 7.8 μg/m3 (32) 32.0
 
Jan. 25, 2020, 3 a.m. 34.7 ppb (32) 3.3 ppb (3) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) 0.61 ppb (7) 30.0 μg/m3 (27) 7.8 μg/m3 (32) 32.0
 
Jan. 25, 2020, 2 a.m. 16.5 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.41 ppb (5) 24.0 μg/m3 (22) 2.9 μg/m3 (12) 22.0
 
Jan. 25, 2020, 1 a.m. 14.1 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 32.0 ppb (25) 0.41 ppb (5) 21.0 μg/m3 (19) 0.7 μg/m3 (3) 25.0
 
Jan. 25, 2020, midnight 8.2 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.34 ppb (4) 14.0 μg/m3 (13) 3.7 μg/m3 (15) 32.0
 
Jan. 24, 2020, 11 p.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) 0.32 ppb (4) 16.0 μg/m3 (15) 5.1 μg/m3 (21) 34.0
 
Jan. 24, 2020, 10 p.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) 0.29 ppb (3) 11.0 μg/m3 (10) 3.4 μg/m3 (14) 34.0
 
Jan. 24, 2020, 9 p.m. 5.5 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.29 ppb (3) 8.0 μg/m3 (7) 1.5 μg/m3 (6) 32.0
 
Jan. 24, 2020, 8 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.26 ppb (3) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 32.0
 
Jan. 24, 2020, 7 p.m. 4.9 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.29 ppb (3) 0.0 μg/m3 (0) 2.5 μg/m3 (10) 29.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.2 μg/m3 (34) 34.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.7 μg/m3 (24) 24.0
 
Jan. 24, 2020, 3 p.m. 33.8 ppb (31) 17.0 ppb (16) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.54 ppb (6) 19.0 μg/m3 (17) 3.3 μg/m3 (14) 31.0
 
Jan. 24, 2020, 2 p.m. 35.6 ppb (33) 16.4 ppb (15) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.46 ppb (5) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 33.0
 
Jan. 24, 2020, 1 p.m. 33.7 ppb (31) 14.4 ppb (13) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.46 ppb (5) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 31.0
 
Jan. 24, 2020, noon 36.7 ppb (34) 15.6 ppb (14) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.48 ppb (5) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 34.0
 
Jan. 24, 2020, 11 a.m. 24.7 ppb (23) 6.8 ppb (6) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.43 ppb (5) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 24, 2020, 10 a.m. 20.4 ppb (19) 2.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.43 ppb (5) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Jan. 24, 2020, 9 a.m. 20.6 ppb (19) 2.9 ppb (3) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) 0.41 ppb (5) 15.0 μg/m3 (14) 5.8 μg/m3 (24) 24.0
 
Jan. 24, 2020, 8 a.m. 20.5 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) 0.41 ppb (5) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
Jan. 24, 2020, 7 a.m. 23.2 ppb (21) 2.3 ppb (2) N/A 21.0 ppb (19) N/A N/A 8.0 ppb (6) 0.41 ppb (5) 13.0 μg/m3 (12) 4.4 μg/m3 (18) 21.0
 
Jan. 24, 2020, 6 a.m. 20.6 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.4 ppb (4) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
Jan. 24, 2020, 5 a.m. 18.5 ppb (17) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (15) 0.36 ppb (4) 15.0 μg/m3 (14) 3.1 μg/m3 (13) 17.0
 
Jan. 24, 2020, 4 a.m. 17.4 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.38 ppb (4) 16.0 μg/m3 (15) -0.4 μg/m3 (0) 18.0
 
Jan. 24, 2020, 3 a.m. 17.2 ppb (16) 0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.41 ppb (5) 16.0 μg/m3 (15) 2.7 μg/m3 (11) 19.0
 
Jan. 24, 2020, 2 a.m. 19.9 ppb (18) 0.2 ppb (0) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (18) 0.46 ppb (5) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
Jan. 24, 2020, 1 a.m. 21.3 ppb (20) 0.3 ppb (0) N/A 21.0 ppb (19) N/A N/A 25.0 ppb (19) 0.48 ppb (5) 24.0 μg/m3 (22) 4.3 μg/m3 (18) 22.0
 
Jan. 24, 2020, midnight 15.2 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 32.0 ppb (25) 0.42 ppb (5) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 25.0
 
Jan. 23, 2020, 11 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.29 ppb (3) 6.0 μg/m3 (5) -1.4 μg/m3 (0) 32.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -4.0 μg/m3 (0) 6.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.5 μg/m3 (0) 5.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -0.1 μg/m3 (0) 3.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.7 μg/m3 (20) 20.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 7.2 μg/m3 (30) 30.0
 
Jan. 23, 2020, 5 p.m. 28.5 ppb (26) 13.1 ppb (12) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.41 ppb (5) 8.0 μg/m3 (7) 8.3 μg/m3 (35) 35.0
 
Jan. 23, 2020, 4 p.m. 51.8 ppb (48) 32.2 ppb (30) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.65 ppb (7) 25.0 μg/m3 (23) 8.1 μg/m3 (34) 48.0
 
Jan. 23, 2020, 3 p.m. 47.8 ppb (44) 29.0 ppb (27) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.59 ppb (7) 17.0 μg/m3 (15) 10.3 μg/m3 (43) 44.0
 
Jan. 23, 2020, 2 p.m. 44.1 ppb (41) 24.4 ppb (23) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.53 ppb (6) 14.0 μg/m3 (13) 10.1 μg/m3 (42) 42.0
 
Jan. 23, 2020, 1 p.m. 33.4 ppb (31) 15.4 ppb (14) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.45 ppb (5) 13.0 μg/m3 (12) 7.2 μg/m3 (30) 31.0
 
Jan. 23, 2020, noon 25.0 ppb (23) 8.9 ppb (8) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) 0.39 ppb (4) 10.0 μg/m3 (9) 15.6 μg/m3 (58) 58.0
 
Jan. 23, 2020, 11 a.m. 18.8 ppb (17) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) 0.38 ppb (4) 12.0 μg/m3 (11) 9.6 μg/m3 (40) 40.0
 
Jan. 23, 2020, 10 a.m. 20.5 ppb (19) 6.5 ppb (6) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) 0.42 ppb (5) 13.0 μg/m3 (12) 18.4 μg/m3 (64) 64.0
 
Jan. 23, 2020, 9 a.m. 14.1 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) 0.37 ppb (4) 13.0 μg/m3 (12) 11.8 μg/m3 (49) 49.0
 
Jan. 23, 2020, 8 a.m. 18.8 ppb (17) 3.8 ppb (4) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) 0.41 ppb (5) 12.0 μg/m3 (11) 15.1 μg/m3 (57) 57.0
 
Jan. 23, 2020, 7 a.m. 13.6 ppb (13) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.35 ppb (4) 14.0 μg/m3 (13) 22.2 μg/m3 (72) 72.0
 
Jan. 23, 2020, 6 a.m. 19.9 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.42 ppb (5) 16.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
Jan. 23, 2020, 5 a.m. 20.2 ppb (19) 3.5 ppb (3) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.39 ppb (4) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Jan. 23, 2020, 4 a.m. 22.4 ppb (21) 2.5 ppb (2) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.42 ppb (5) 16.0 μg/m3 (15) 4.7 μg/m3 (20) 21.0
 
Jan. 23, 2020, 3 a.m. 19.9 ppb (18) 1.9 ppb (2) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) 0.35 ppb (4) 18.0 μg/m3 (16) 6.3 μg/m3 (26) 26.0
 
Jan. 23, 2020, 2 a.m. 19.0 ppb (18) 1.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.38 ppb (4) 18.0 μg/m3 (16) 5.6 μg/m3 (23) 23.0
 
Jan. 23, 2020, 1 a.m. 15.2 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 28.0 ppb (22) 0.34 ppb (4) 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
Jan. 23, 2020, midnight 10.4 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.29 ppb (3) 18.0 μg/m3 (16) 4.6 μg/m3 (19) 25.0
 
Jan. 22, 2020, 11 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.25 ppb (3) 10.0 μg/m3 (9) 0.3 μg/m3 (1) 30.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 22, 2020, 9 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.19 ppb (2) 5.0 μg/m3 (5) -2.2 μg/m3 (0) 30.0
 
Jan. 22, 2020, 8 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.18 ppb (2) 2.0 μg/m3 (2) -2.3 μg/m3 (0) 30.0
 
Jan. 22, 2020, 7 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 1.0 μg/m3 (1) 4.7 μg/m3 (20) 28.0
 
Jan. 22, 2020, 6 p.m. 5.2 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.22 ppb (2) 3.0 μg/m3 (3) 10.5 μg/m3 (44) 44.0
 
Jan. 22, 2020, 5 p.m. 8.2 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.27 ppb (3) 8.0 μg/m3 (7) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 4 p.m. 26.4 ppb (24) 14.4 ppb (13) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) 0.49 ppb (5) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 22, 2020, 3 p.m. 24.2 ppb (22) 12.9 ppb (12) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) 0.46 ppb (5) 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2020, 2 p.m. 22.8 ppb (21) 9.1 ppb (8) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) 0.38 ppb (4) 10.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
Jan. 22, 2020, 1 p.m. 8.4 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) 0.28 ppb (3) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, noon 9.3 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) 0.28 ppb (3) 7.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
Jan. 22, 2020, 11 a.m. 7.0 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.26 ppb (3) 4.0 μg/m3 (4) 5.4 μg/m3 (23) 23.0
 
Jan. 22, 2020, 10 a.m. 10.9 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.32 ppb (4) 9.0 μg/m3 (8) 8.8 μg/m3 (37) 37.0
 
Jan. 22, 2020, 9 a.m. 11.0 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.33 ppb (4) 11.0 μg/m3 (10) 8.3 μg/m3 (35) 35.0
 
Jan. 22, 2020, 8 a.m. 11.5 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.34 ppb (4) 7.0 μg/m3 (6) 7.1 μg/m3 (30) 30.0
 
Jan. 22, 2020, 7 a.m. 7.2 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.26 ppb (3) 7.0 μg/m3 (6) 6.4 μg/m3 (27) 27.0
 
Jan. 22, 2020, 6 a.m. 8.5 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.29 ppb (3) 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
Jan. 22, 2020, 5 a.m. 10.2 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.3 ppb (3) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 17.0
 
Jan. 22, 2020, 4 a.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.25 ppb (3) 7.0 μg/m3 (6) 0.8 μg/m3 (3) 17.0
 
Jan. 22, 2020, 3 a.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.27 ppb (3) 10.0 μg/m3 (9) 1.5 μg/m3 (6) 18.0
 
Jan. 22, 2020, 2 a.m. 8.8 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.29 ppb (3) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 21.0
 
Jan. 22, 2020, 1 a.m. 5.3 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.26 ppb (3) 5.0 μg/m3 (5) 4.3 μg/m3 (18) 25.0
 
Jan. 22, 2020, midnight 4.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.3 ppb (3) 5.0 μg/m3 (5) 4.2 μg/m3 (18) 27.0
 
Jan. 21, 2020, 11 p.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.31 ppb (3) 5.0 μg/m3 (5) -0.8 μg/m3 (0) 28.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -2.7 μg/m3 (0) 5.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -1.3 μg/m3 (0) 2.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.7 μg/m3 (11) 11.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 6.7 μg/m3 (28) 28.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.9 μg/m3 (20) 20.0
 
Jan. 21, 2020, 4 p.m. 5.6 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.23 ppb (3) 3.0 μg/m3 (3) 6.2 μg/m3 (26) 26.0
 
Jan. 21, 2020, 3 p.m. 9.0 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.28 ppb (3) 5.0 μg/m3 (5) 6.9 μg/m3 (29) 29.0
 
Jan. 21, 2020, 2 p.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.26 ppb (3) 5.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
Jan. 21, 2020, 1 p.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.25 ppb (3) 6.0 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2020, noon 7.6 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.31 ppb (3) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 21, 2020, 11 a.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.23 ppb (3) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 19.0
 
Jan. 21, 2020, 10 a.m. 6.5 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.24 ppb (3) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 19.0
 
Jan. 21, 2020, 9 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.21 ppb (2) 4.0 μg/m3 (4) 1.8 μg/m3 (8) 28.0
 
Jan. 21, 2020, 8 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.22 ppb (2) 8.0 μg/m3 (7) 15.1 μg/m3 (57) 57.0
 
Jan. 21, 2020, 7 a.m. 11.4 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.36 ppb (4) 16.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Jan. 21, 2020, 6 a.m. 17.8 ppb (16) 1.2 ppb (1) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) 0.47 ppb (5) 25.0 μg/m3 (23) 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2020, 5 a.m. 17.7 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.45 ppb (5) 24.0 μg/m3 (22) 6.1 μg/m3 (25) 25.0
 
Jan. 21, 2020, 4 a.m. 14.3 ppb (13) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) 0.39 ppb (4) 20.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
Jan. 21, 2020, 3 a.m. 14.0 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.43 ppb (5) 15.0 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
Jan. 21, 2020, 2 a.m. 13.2 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) 0.37 ppb (4) 18.0 μg/m3 (16) 4.9 μg/m3 (20) 20.0
 
Jan. 21, 2020, 1 a.m. 8.8 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.32 ppb (4) 15.0 μg/m3 (14) 3.2 μg/m3 (13) 25.0
 
Jan. 21, 2020, midnight 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.27 ppb (3) 15.0 μg/m3 (14) 3.9 μg/m3 (16) 26.0
 
Jan. 20, 2020, 11 p.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.25 ppb (3) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 28.0
 
Jan. 20, 2020, 10 p.m. 5.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.28 ppb (3) 20.0 μg/m3 (18) 7.3 μg/m3 (30) 30.0
 
Jan. 20, 2020, 9 p.m. 9.4 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.3 ppb (3) 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2020, 8 p.m. 15.2 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.34 ppb (4) 14.0 μg/m3 (13) 2.6 μg/m3 (11) 14.0
 
Jan. 20, 2020, 7 p.m. 17.7 ppb (16) 4.1 ppb (4) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.35 ppb (4) 14.0 μg/m3 (13) 2.5 μg/m3 (10) 16.0
 
Jan. 20, 2020, 6 p.m. 18.0 ppb (17) 5.5 ppb (5) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.34 ppb (4) 14.0 μg/m3 (13) 1.8 μg/m3 (8) 17.0
 
Jan. 20, 2020, 5 p.m. 20.5 ppb (19) 7.6 ppb (7) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) 0.43 ppb (5) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 4 p.m. 28.7 ppb (27) 11.9 ppb (11) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.59 ppb (7) 31.0 μg/m3 (28) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2020, 3 p.m. 33.6 ppb (31) 12.8 ppb (12) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.59 ppb (7) 30.0 μg/m3 (27) 2.8 μg/m3 (12) 31.0
 
Jan. 20, 2020, 2 p.m. 31.2 ppb (29) 10.4 ppb (10) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.46 ppb (5) 23.0 μg/m3 (21) 0.3 μg/m3 (1) 29.0
 
Jan. 20, 2020, 1 p.m. 24.4 ppb (23) 5.2 ppb (5) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.38 ppb (4) 30.0 μg/m3 (27) 4.2 μg/m3 (18) 27.0
 
Jan. 20, 2020, noon 19.0 ppb (18) 2.7 ppb (3) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) 0.37 ppb (4) 12.0 μg/m3 (11) 2.2 μg/m3 (9) 18.0
 
Jan. 20, 2020, 11 a.m. 14.6 ppb (14) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) 0.36 ppb (4) 9.0 μg/m3 (8) N/A 14.0
 
Jan. 20, 2020, 10 a.m. 12.8 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.35 ppb (4) 10.0 μg/m3 (9) -3.8 μg/m3 (0) 12.0
 
Jan. 20, 2020, 9 a.m. 12.4 ppb (11) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.36 ppb (4) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 20, 2020, 8 a.m. 12.5 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.37 ppb (4) 14.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
Jan. 20, 2020, 7 a.m. 15.1 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) 0.42 ppb (5) 18.0 μg/m3 (16) 1.7 μg/m3 (7) 16.0
 
Jan. 20, 2020, 6 a.m. 13.4 ppb (12) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.38 ppb (4) 18.0 μg/m3 (16) 2.9 μg/m3 (12) 16.0
 
Jan. 20, 2020, 5 a.m. 19.2 ppb (18) 1.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.44 ppb (5) 20.0 μg/m3 (18) 3.4 μg/m3 (14) 18.0
 
Jan. 20, 2020, 4 a.m. 21.7 ppb (20) 2.0 ppb (2) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.49 ppb (5) 26.0 μg/m3 (24) 2.6 μg/m3 (11) 24.0
 
Jan. 20, 2020, 3 a.m. 14.4 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) 0.4 ppb (4) 22.0 μg/m3 (20) 0.8 μg/m3 (3) 20.0
 
Jan. 20, 2020, 2 a.m. 8.5 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.28 ppb (3) 12.0 μg/m3 (11) 1.9 μg/m3 (8) 22.0
 
Jan. 20, 2020, 1 a.m. 8.1 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.28 ppb (3) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 23.0
 
Jan. 20, 2020, midnight 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.26 ppb (3) 13.0 μg/m3 (12) -0.8 μg/m3 (0) 26.0
 
Jan. 19, 2020, 11 p.m. 5.0 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.25 ppb (3) 10.0 μg/m3 (9) -3.9 μg/m3 (0) 28.0
 
Jan. 19, 2020, 10 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.23 ppb (3) 9.0 μg/m3 (8) -4.2 μg/m3 (0) 32.0
 
Jan. 19, 2020, 9 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.22 ppb (2) 5.0 μg/m3 (5) -1.4 μg/m3 (0) 35.0
 
Jan. 19, 2020, 8 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.21 ppb (2) 4.0 μg/m3 (4) -1.8 μg/m3 (0) 35.0
 
Jan. 19, 2020, 7 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.22 ppb (2) 2.0 μg/m3 (2) 0.6 μg/m3 (2) 33.0
 
Jan. 19, 2020, 6 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.22 ppb (2) 3.0 μg/m3 (3) 4.1 μg/m3 (17) 32.0
 
Jan. 19, 2020, 5 p.m. 5.7 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.25 ppb (3) 5.0 μg/m3 (5) 0.5 μg/m3 (2) 27.0
 
Jan. 19, 2020, 4 p.m. 10.4 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.33 ppb (4) 6.0 μg/m3 (5) -0.4 μg/m3 (0) 21.0
 
Jan. 19, 2020, 3 p.m. 8.8 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.31 ppb (3) 4.0 μg/m3 (4) -0.2 μg/m3 (0) 21.0
 
Jan. 19, 2020, 2 p.m. 5.7 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.28 ppb (3) 3.0 μg/m3 (3) -1.9 μg/m3 (0) 22.0
 
Jan. 19, 2020, 1 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.26 ppb (3) 3.0 μg/m3 (3) N/A 25.0
 
Jan. 19, 2020, noon 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.27 ppb (3) 3.0 μg/m3 (3) -3.8 μg/m3 (0) 22.0
 
Jan. 19, 2020, 11 a.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.26 ppb (3) 3.0 μg/m3 (3) -1.9 μg/m3 (0) 23.0
 
Jan. 19, 2020, 10 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.26 ppb (3) 3.0 μg/m3 (3) -3.1 μg/m3 (0) 24.0
 
Jan. 19, 2020, 9 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.27 ppb (3) 6.0 μg/m3 (5) -2.1 μg/m3 (0) 24.0
 
Jan. 19, 2020, 8 a.m. 5.9 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.29 ppb (3) 6.0 μg/m3 (5) -2.6 μg/m3 (0) 24.0
 
Jan. 19, 2020, 7 a.m. 8.8 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.32 ppb (4) 8.0 μg/m3 (7) N/A 22.0
 
Jan. 19, 2020, 6 a.m. 8.9 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.34 ppb (4) 8.0 μg/m3 (7) -3.4 μg/m3 (0) 21.0
 
Jan. 19, 2020, 5 a.m. 10.5 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.36 ppb (4) 10.0 μg/m3 (9) 0.1 μg/m3 (0) 19.0
 
Jan. 19, 2020, 4 a.m. 10.7 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.32 ppb (4) 11.0 μg/m3 (10) -0.1 μg/m3 (0) 19.0
 
Jan. 19, 2020, 3 a.m. 8.6 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.29 ppb (3) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 22.0
 
Jan. 19, 2020, 2 a.m. 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.26 ppb (3) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 24.0
 
Jan. 19, 2020, 1 a.m. 6.7 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.26 ppb (3) 14.0 μg/m3 (13) 0.5 μg/m3 (2) 25.0
 
Jan. 19, 2020, midnight 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.24 ppb (3) 15.0 μg/m3 (14) 2.2 μg/m3 (9) 28.0
 
Jan. 18, 2020, 11 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.22 ppb (2) 10.0 μg/m3 (9) 2.5 μg/m3 (10) 31.0
 
Jan. 18, 2020, 10 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.22 ppb (2) 11.0 μg/m3 (10) -1.1 μg/m3 (0) 32.0
 
Jan. 18, 2020, 9 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.2 ppb (2) 11.0 μg/m3 (10) -3.6 μg/m3 (0) 32.0
 
Jan. 18, 2020, 8 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.19 ppb (2) 5.0 μg/m3 (5) -0.4 μg/m3 (0) 35.0
 
Jan. 18, 2020, 7 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.19 ppb (2) 2.0 μg/m3 (2) 2.1 μg/m3 (9) 34.0
 
Jan. 18, 2020, 6 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.21 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 30.0
 
Jan. 18, 2020, 5 p.m. 11.7 ppb (11) 3.4 ppb (3) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.27 ppb (3) 7.0 μg/m3 (6) 0.2 μg/m3 (1) 22.0
 
Jan. 18, 2020, 4 p.m. 13.3 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.34 ppb (4) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 17.0
 
Jan. 18, 2020, 3 p.m. 9.0 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.26 ppb (3) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 17.0
 
Jan. 18, 2020, 2 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.28 ppb (3) 4.0 μg/m3 (4) 4.1 μg/m3 (17) 17.0
 
Jan. 18, 2020, 1 p.m. 9.7 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.26 ppb (3) 4.0 μg/m3 (4) 8.4 μg/m3 (35) 35.0
 
Jan. 18, 2020, noon 9.4 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.27 ppb (3) 7.0 μg/m3 (6) 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2020, 11 a.m. 12.0 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.33 ppb (4) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 10 a.m. 11.7 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) 0.32 ppb (4) 7.0 μg/m3 (6) 3.8 μg/m3 (16) 16.0
 
Jan. 18, 2020, 9 a.m. 14.0 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.37 ppb (4) 8.0 μg/m3 (7) 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2020, 8 a.m. 13.2 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.37 ppb (4) 9.0 μg/m3 (8) 8.9 μg/m3 (37) 37.0
 
Jan. 18, 2020, 7 a.m. 17.4 ppb (16) 2.1 ppb (2) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) 0.43 ppb (5) 10.0 μg/m3 (9) 6.1 μg/m3 (25) 25.0