ID: 182

AQSQID: 060659001

Site Name: Lake Elsinore - W. Flint Street

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

Updated: April 18, 2021, 3:44 a.m.

Location: Lake Elsinore (N Elsinore), CA

Reporting: True, Located: True

Current AQI: 84.0

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
April 18, 2021, 3 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.23 ppb (3) 71.9 μg/m3 (60) 10.8 μg/m3 (46) 60.0
 
April 18, 2021, 2 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) 0.21 ppb (3) 24.8 μg/m3 (23) 10.9 μg/m3 (46) 84.0
 
April 18, 2021, 1 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) 0.21 ppb (3) 68.8 μg/m3 (58) 10.9 μg/m3 (46) 97.0
 
April 18, 2021, midnight -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 70.0 ppb (100) 0.16 ppb (3) 44.9 μg/m3 (42) 7.0 μg/m3 (30) 100.0
 
April 17, 2021, 11 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 70.0 ppb (100) 0.17 ppb (3) 21.4 μg/m3 (20) 5.5 μg/m3 (23) 100.0
 
April 17, 2021, 10 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 68.0 ppb (94) 0.18 ppb (3) 34.8 μg/m3 (33) 5.8 μg/m3 (25) 94.0
 
April 17, 2021, 9 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 65.0 ppb (84) 0.17 ppb (3) 26.7 μg/m3 (25) 7.2 μg/m3 (31) 84.0
 
April 17, 2021, 8 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 64.0 ppb (81) 0.18 ppb (3) 12.8 μg/m3 (12) 11.1 μg/m3 (47) 81.0
 
April 17, 2021, 7 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) 0.23 ppb (3) 13.3 μg/m3 (13) 12.3 μg/m3 (52) 74.0
 
April 17, 2021, 6 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.25 ppb (3) 26.3 μg/m3 (25) 11.6 μg/m3 (49) 50.0
 
April 17, 2021, 5 p.m. 4.2 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.25 ppb (3) 33.6 μg/m3 (32) 15.9 μg/m3 (59) 59.0
 
April 17, 2021, 4 p.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.24 ppb (3) 27.8 μg/m3 (26) 14.6 μg/m3 (57) 57.0
 
April 17, 2021, 3 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.23 ppb (3) 29.9 μg/m3 (28) 18.3 μg/m3 (65) 65.0
 
April 17, 2021, 2 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 27.1 μg/m3 (26) 7.2 μg/m3 (31) 33.0
 
April 17, 2021, 1 p.m. 0.8 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.18 ppb (3) 21.7 μg/m3 (21) 8.7 μg/m3 (37) 37.0
 
April 17, 2021, noon 0.6 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.18 ppb (3) 23.5 μg/m3 (22) 8.0 μg/m3 (34) 37.0
 
April 17, 2021, 11 a.m. 0.1 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.17 ppb (3) 20.6 μg/m3 (20) 8.9 μg/m3 (38) 38.0
 
April 17, 2021, 10 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.2 ppb (3) 27.6 μg/m3 (26) 9.4 μg/m3 (40) 40.0
 
April 17, 2021, 9 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 20.7 μg/m3 (20) 6.5 μg/m3 (28) 33.0
 
April 17, 2021, 8 a.m. 0.3 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 16.6 μg/m3 (16) 4.1 μg/m3 (18) 33.0
 
April 17, 2021, 7 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 19.2 μg/m3 (18) 7.7 μg/m3 (33) 33.0
 
April 17, 2021, 6 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 23.1 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
April 17, 2021, 5 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 31.9 μg/m3 (30) 11.8 μg/m3 (50) 50.0
 
April 17, 2021, 4 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 34.7 μg/m3 (33) 13.2 μg/m3 (54) 54.0
 
April 17, 2021, 3 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.19 ppb (3) 42.9 μg/m3 (40) 15.2 μg/m3 (58) 58.0
 
April 17, 2021, 2 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) 0.19 ppb (3) 33.8 μg/m3 (32) 10.6 μg/m3 (45) 50.0
 
April 17, 2021, 1 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) 0.18 ppb (3) 31.9 μg/m3 (30) 7.2 μg/m3 (31) 65.0
 
April 17, 2021, midnight -0.1 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 58.0 ppb (61) 0.17 ppb (3) 42.7 μg/m3 (40) 7.0 μg/m3 (30) 61.0
 
April 16, 2021, 11 p.m. -0.5 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 58.0 ppb (61) 0.15 ppb (2) 26.1 μg/m3 (25) 8.2 μg/m3 (35) 61.0
 
April 16, 2021, 10 p.m. -0.4 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 58.0 ppb (61) 0.16 ppb (3) 28.3 μg/m3 (27) 7.9 μg/m3 (33) 61.0
 
April 16, 2021, 9 p.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 59.0 ppb (65) 0.17 ppb (3) 31.5 μg/m3 (30) 10.4 μg/m3 (44) 65.0
 
April 16, 2021, 8 p.m. -0.1 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 59.0 ppb (65) 0.17 ppb (3) 25.0 μg/m3 (24) 9.9 μg/m3 (42) 65.0
 
April 16, 2021, 7 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 60.0 ppb (68) 0.17 ppb (3) 24.2 μg/m3 (23) 14.0 μg/m3 (55) 68.0
 
April 16, 2021, 6 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) 0.19 ppb (3) 24.9 μg/m3 (24) 8.5 μg/m3 (36) 71.0
 
April 16, 2021, 5 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) 0.2 ppb (3) 3.9 μg/m3 (4) 8.9 μg/m3 (38) 65.0
 
April 16, 2021, 4 p.m. 7.4 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.27 ppb (4) 38.4 μg/m3 (36) 15.4 μg/m3 (58) 58.0
 
April 16, 2021, 3 p.m. 10.7 ppb (11) 3.4 ppb (4) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.28 ppb (4) 40.6 μg/m3 (38) 15.9 μg/m3 (59) 59.0
 
April 16, 2021, 2 p.m. 18.3 ppb (18) 5.6 ppb (6) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.32 ppb (4) 45.2 μg/m3 (42) 16.9 μg/m3 (62) 62.0
 
April 16, 2021, 1 p.m. 23.6 ppb (23) 4.9 ppb (5) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) 0.4 ppb (5) 43.6 μg/m3 (41) 7.7 μg/m3 (33) 41.0
 
April 16, 2021, noon 13.2 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.32 ppb (4) 28.9 μg/m3 (27) 6.7 μg/m3 (28) 28.0
 
April 16, 2021, 11 a.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) 0.23 ppb (3) 24.9 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
April 16, 2021, 10 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.22 ppb (3) 30.8 μg/m3 (29) 5.8 μg/m3 (25) 29.0
 
April 16, 2021, 9 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) 0.22 ppb (3) 23.1 μg/m3 (22) 7.7 μg/m3 (33) 33.0
 
April 16, 2021, 8 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 23.0 μg/m3 (22) 8.7 μg/m3 (37) 37.0
 
April 16, 2021, 7 a.m. 5.7 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.24 ppb (3) 28.1 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 6 a.m. 4.6 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.24 ppb (3) 22.9 μg/m3 (22) 6.7 μg/m3 (28) 29.0
 
April 16, 2021, 5 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.18 ppb (3) 27.4 μg/m3 (26) 10.1 μg/m3 (43) 43.0
 
April 16, 2021, 4 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.19 ppb (3) 30.4 μg/m3 (29) 8.6 μg/m3 (36) 37.0
 
April 16, 2021, 3 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.19 ppb (3) 32.6 μg/m3 (31) 5.3 μg/m3 (23) 42.0
 
April 16, 2021, 2 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.19 ppb (3) 25.9 μg/m3 (24) 16.1 μg/m3 (60) 60.0
 
April 16, 2021, 1 a.m. 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) 0.17 ppb (3) 29.2 μg/m3 (28) 8.2 μg/m3 (35) 49.0
 
April 16, 2021, midnight 0.1 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) 0.17 ppb (3) 35.4 μg/m3 (33) 10.1 μg/m3 (43) 50.0
 
April 15, 2021, 11 p.m. 0.0 ppb (0) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) 0.16 ppb (3) 38.3 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
April 15, 2021, 10 p.m. 0.2 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) 0.16 ppb (3) 48.1 μg/m3 (45) 13.2 μg/m3 (54) 55.0
 
April 15, 2021, 9 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) 0.18 ppb (3) 43.8 μg/m3 (41) 17.1 μg/m3 (62) 81.0
 
April 15, 2021, 8 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.17 ppb (3) 26.5 μg/m3 (25) 8.2 μg/m3 (35) 74.0
 
April 15, 2021, 7 p.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 57.0 ppb (58) 0.17 ppb (3) 23.8 μg/m3 (23) 10.1 μg/m3 (43) 58.0
 
April 15, 2021, 6 p.m. 0.4 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) 0.17 ppb (3) 19.0 μg/m3 (18) 9.6 μg/m3 (40) 49.0
 
April 15, 2021, 5 p.m. 1.3 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.18 ppb (3) 28.2 μg/m3 (27) 11.1 μg/m3 (47) 47.0
 
April 15, 2021, 4 p.m. 3.5 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.2 ppb (3) 26.6 μg/m3 (25) 12.5 μg/m3 (52) 52.0
 
April 15, 2021, 3 p.m. 5.2 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.2 ppb (3) 24.1 μg/m3 (23) 12.1 μg/m3 (51) 51.0
 
April 15, 2021, 2 p.m. 24.5 ppb (24) 7.4 ppb (7) N/A 17.0 ppb (17) N/A N/A 14.0 ppb (13) 0.34 ppb (4) 43.3 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
April 15, 2021, 1 p.m. 26.6 ppb (26) 4.1 ppb (4) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.33 ppb (4) 33.1 μg/m3 (31) 1.2 μg/m3 (5) 31.0
 
April 15, 2021, noon 12.6 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) 0.26 ppb (4) 19.9 μg/m3 (19) 2.6 μg/m3 (11) 19.0
 
April 15, 2021, 11 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.17 ppb (3) 16.0 μg/m3 (15) 6.3 μg/m3 (27) 29.0
 
April 15, 2021, 10 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 15.4 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
April 15, 2021, 9 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.15 ppb (2) 18.6 μg/m3 (18) 8.0 μg/m3 (34) 36.0
 
April 15, 2021, 8 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.16 ppb (3) 17.8 μg/m3 (17) 6.3 μg/m3 (27) 38.0
 
April 15, 2021, 7 a.m. -0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 18.9 μg/m3 (18) 5.3 μg/m3 (23) 40.0
 
April 15, 2021, 6 a.m. -0.6 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 19.3 μg/m3 (18) 4.3 μg/m3 (18) 42.0
 
April 15, 2021, 5 a.m. -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) 0.15 ppb (2) 19.2 μg/m3 (18) 7.5 μg/m3 (32) 43.0
 
April 15, 2021, 4 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 22.5 μg/m3 (21) 6.4 μg/m3 (27) 42.0
 
April 15, 2021, 3 a.m. -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) 0.15 ppb (2) 15.4 μg/m3 (15) 7.0 μg/m3 (30) 46.0
 
April 15, 2021, 2 a.m. -0.6 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 50.0 ppb (47) 0.15 ppb (2) 14.8 μg/m3 (14) 8.7 μg/m3 (37) 47.0
 
April 15, 2021, 1 a.m. -0.7 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 50.0 ppb (47) 0.15 ppb (2) 22.6 μg/m3 (21) 3.6 μg/m3 (16) 47.0
 
April 15, 2021, midnight -0.9 ppb (0) 0.1 ppb (1) N/A N/A N/A N/A 50.0 ppb (47) 0.15 ppb (2) 27.4 μg/m3 (26) 3.7 μg/m3 (16) 47.0
 
April 14, 2021, 11 p.m. -0.7 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 52.0 ppb (49) 0.15 ppb (2) 23.3 μg/m3 (22) 8.2 μg/m3 (35) 49.0
 
April 14, 2021, 10 p.m. -0.8 ppb (0) 0.1 ppb (1) N/A N/A N/A N/A 52.0 ppb (49) 0.15 ppb (2) 27.0 μg/m3 (25) 16.6 μg/m3 (61) 61.0
 
April 14, 2021, 9 p.m. -0.5 ppb (0) 0.2 ppb (1) N/A -1.0 ppb (0) N/A N/A 53.0 ppb (50) 0.16 ppb (3) 25.7 μg/m3 (24) 10.6 μg/m3 (45) 50.0
 
April 14, 2021, 8 p.m. -0.6 ppb (0) 0.2 ppb (1) N/A -1.0 ppb (0) N/A N/A 51.0 ppb (48) 0.15 ppb (2) 20.5 μg/m3 (19) 8.8 μg/m3 (37) 48.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (21) 8.1 μg/m3 (34) 34.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 3.6 μg/m3 (16) 16.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 6.5 μg/m3 (28) 28.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 5.8 μg/m3 (25) 25.0
 
April 14, 2021, 3 p.m. 0.4 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 7.3 μg/m3 (7) 0.8 μg/m3 (4) 40.0
 
April 14, 2021, 2 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 11.1 μg/m3 (11) 5.5 μg/m3 (23) 33.0
 
April 14, 2021, 1 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.19 ppb (3) 14.6 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
April 14, 2021, noon 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.18 ppb (3) 13.9 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 14, 2021, 11 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) 0.15 ppb (2) 9.6 μg/m3 (9) 7.0 μg/m3 (30) 33.0
 
April 14, 2021, 10 a.m. 0.0 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.15 ppb (2) 9.3 μg/m3 (9) 5.0 μg/m3 (21) 35.0
 
April 14, 2021, 9 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 8.8 μg/m3 (9) 3.4 μg/m3 (15) 32.0
 
April 14, 2021, 8 a.m. -0.5 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 38.0 ppb (36) 0.15 ppb (2) 5.9 μg/m3 (6) 5.5 μg/m3 (23) 36.0
 
April 14, 2021, 7 a.m. -0.8 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 40.0 ppb (38) 0.14 ppb (2) 7.7 μg/m3 (8) 5.1 μg/m3 (22) 38.0
 
April 14, 2021, 6 a.m. -0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.15 ppb (2) 9.4 μg/m3 (9) 0.6 μg/m3 (3) 38.0
 
April 14, 2021, 5 a.m. -0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 8.5 μg/m3 (8) -0.7 μg/m3 (0) 38.0
 
April 14, 2021, 4 a.m. -0.8 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 44.0 ppb (41) 0.15 ppb (2) 4.8 μg/m3 (5) 1.8 μg/m3 (8) 41.0
 
April 14, 2021, 3 a.m. -0.9 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 44.0 ppb (41) 0.15 ppb (2) 2.4 μg/m3 (3) 5.1 μg/m3 (22) 41.0
 
April 14, 2021, 2 a.m. -0.8 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 44.0 ppb (41) 0.15 ppb (2) 4.2 μg/m3 (4) 2.4 μg/m3 (10) 41.0
 
April 14, 2021, 1 a.m. 0.2 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.16 ppb (3) 7.5 μg/m3 (7) 1.9 μg/m3 (8) 40.0
 
April 14, 2021, midnight -0.2 ppb (0) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.15 ppb (2) 10.1 μg/m3 (10) 3.4 μg/m3 (15) 39.0
 
April 13, 2021, 11 p.m. -0.6 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 42.0 ppb (39) 0.15 ppb (2) 12.7 μg/m3 (12) 4.1 μg/m3 (18) 39.0
 
April 13, 2021, 10 p.m. -0.4 ppb (0) 0.2 ppb (1) N/A -1.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 27.6 μg/m3 (26) 5.8 μg/m3 (25) 40.0
 
April 13, 2021, 9 p.m. 0.3 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) 0.17 ppb (3) 24.9 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) 7.5 μg/m3 (32) 32.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
April 13, 2021, 4 p.m. -0.5 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 47.0 ppb (44) 0.16 ppb (3) 10.7 μg/m3 (10) 8.7 μg/m3 (37) 44.0
 
April 13, 2021, 3 p.m. -0.3 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) 0.16 ppb (3) 13.9 μg/m3 (13) 5.5 μg/m3 (23) 45.0
 
April 13, 2021, 2 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.16 ppb (3) 14.1 μg/m3 (14) 6.2 μg/m3 (26) 42.0
 
April 13, 2021, 1 p.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) 0.16 ppb (3) 9.3 μg/m3 (9) 6.6 μg/m3 (28) 44.0
 
April 13, 2021, noon -0.1 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) 0.16 ppb (3) 2.8 μg/m3 (3) 2.8 μg/m3 (12) 43.0
 
April 13, 2021, 11 a.m. -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) 0.16 ppb (3) 2.1 μg/m3 (2) 0.4 μg/m3 (2) 44.0
 
April 13, 2021, 10 a.m. -0.5 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 47.0 ppb (44) 0.16 ppb (3) 1.3 μg/m3 (2) -0.2 μg/m3 (0) 44.0
 
April 13, 2021, 9 a.m. -0.8 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 47.0 ppb (44) 0.15 ppb (2) 1.8 μg/m3 (2) 4.1 μg/m3 (18) 44.0
 
April 13, 2021, 8 a.m. -1.0 ppb (0) 0.0 ppb (0) N/A N/A N/A N/A 45.0 ppb (42) 0.15 ppb (2) 8.4 μg/m3 (8) 9.0 μg/m3 (38) 42.0
 
April 13, 2021, 7 a.m. -0.8 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 15.8 μg/m3 (15) 11.6 μg/m3 (49) 49.0
 
April 13, 2021, 6 a.m. -0.9 ppb (0) 0.0 ppb (0) N/A -1.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 21.7 μg/m3 (21) 13.2 μg/m3 (54) 54.0
 
April 13, 2021, 5 a.m. -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 24.3 μg/m3 (23) 10.9 μg/m3 (46) 46.0
 
April 13, 2021, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 25.4 μg/m3 (24) 8.8 μg/m3 (37) 40.0
 
April 13, 2021, 3 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.16 ppb (3) 23.5 μg/m3 (22) 15.4 μg/m3 (58) 58.0
 
April 13, 2021, 2 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.19 ppb (3) 29.6 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
April 13, 2021, 1 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) 0.19 ppb (3) 31.4 μg/m3 (30) 13.0 μg/m3 (53) 55.0
 
April 13, 2021, midnight 0.7 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) 0.19 ppb (3) 30.5 μg/m3 (29) 14.2 μg/m3 (56) 56.0
 
April 12, 2021, 11 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) 0.2 ppb (3) 31.7 μg/m3 (30) 10.1 μg/m3 (43) 58.0
 
April 12, 2021, 10 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.22 ppb (3) 22.7 μg/m3 (22) 8.9 μg/m3 (38) 74.0
 
April 12, 2021, 9 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) 0.23 ppb (3) 27.1 μg/m3 (26) 15.2 μg/m3 (58) 68.0
 
April 12, 2021, 8 p.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) 0.23 ppb (3) 20.1 μg/m3 (19) 13.5 μg/m3 (54) 54.0
 
April 12, 2021, 7 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.23 ppb (3) 18.7 μg/m3 (18) 15.7 μg/m3 (59) 59.0
 
April 12, 2021, 6 p.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.24 ppb (3) 17.9 μg/m3 (17) 8.0 μg/m3 (34) 38.0
 
April 12, 2021, 5 p.m. 3.2 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.23 ppb (3) 15.5 μg/m3 (15) 14.0 μg/m3 (55) 55.0
 
April 12, 2021, 4 p.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.21 ppb (3) 10.5 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
April 12, 2021, 3 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.31 ppb (4) 27.1 μg/m3 (26) 8.9 μg/m3 (38) 38.0
 
April 12, 2021, 2 p.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.28 ppb (4) 25.1 μg/m3 (24) 10.9 μg/m3 (46) 46.0
 
April 12, 2021, 1 p.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 19.9 μg/m3 (19) 14.9 μg/m3 (57) 57.0
 
April 12, 2021, noon 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.2 ppb (3) 28.9 μg/m3 (27) 16.6 μg/m3 (61) 61.0
 
April 12, 2021, 11 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.19 ppb (3) 20.7 μg/m3 (20) 13.9 μg/m3 (55) 55.0
 
April 12, 2021, 10 a.m. 0.2 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.18 ppb (3) 20.8 μg/m3 (20) 8.9 μg/m3 (38) 39.0
 
April 12, 2021, 9 a.m. -0.4 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 43.0 ppb (40) 0.16 ppb (3) 18.1 μg/m3 (17) 8.6 μg/m3 (36) 40.0
 
April 12, 2021, 8 a.m. -0.6 ppb (0) 0.1 ppb (1) N/A -1.0 ppb (0) N/A N/A 42.0 ppb (39) 0.16 ppb (3) 19.6 μg/m3 (19) 9.1 μg/m3 (38) 39.0
 
April 12, 2021, 7 a.m. -0.3 ppb (0) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.16 ppb (3) 20.0 μg/m3 (19) 7.1 μg/m3 (30) 40.0
 
April 12, 2021, 6 a.m. -0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.16 ppb (3) 23.3 μg/m3 (22) 7.5 μg/m3 (32) 41.0
 
April 12, 2021, 5 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.18 ppb (3) 30.2 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
April 12, 2021, 4 a.m. 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) 0.17 ppb (3) 30.8 μg/m3 (29) 10.1 μg/m3 (43) 49.0
 
April 12, 2021, 3 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) 0.17 ppb (3) 29.7 μg/m3 (28) 11.0 μg/m3 (46) 49.0
 
April 12, 2021, 2 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) 0.18 ppb (3) 29.7 μg/m3 (28) 13.5 μg/m3 (54) 54.0
 
April 12, 2021, 1 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) 0.18 ppb (3) 36.0 μg/m3 (34) 14.7 μg/m3 (57) 57.0
 
April 12, 2021, midnight 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 58.0 ppb (61) 0.19 ppb (3) 35.9 μg/m3 (34) 15.4 μg/m3 (58) 61.0
 
April 11, 2021, 11 p.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 59.0 ppb (65) 0.2 ppb (3) 38.3 μg/m3 (36) 13.0 μg/m3 (53) 65.0
 
April 11, 2021, 10 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) 0.22 ppb (3) 35.3 μg/m3 (33) 13.9 μg/m3 (55) 74.0
 
April 11, 2021, 9 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) 0.2 ppb (3) 26.4 μg/m3 (25) 11.8 μg/m3 (50) 51.0
 
April 11, 2021, 8 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) 0.23 ppb (3) 59.0 μg/m3 (53) 18.3 μg/m3 (65) 65.0
 
April 11, 2021, 7 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) 0.27 ppb (4) 37.4 μg/m3 (35) 15.9 μg/m3 (59) 100.0
 
April 11, 2021, 6 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) 0.29 ppb (4) 33.8 μg/m3 (32) 15.8 μg/m3 (59) 74.0
 
April 11, 2021, 5 p.m. 4.4 ppb (5) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.29 ppb (4) 40.7 μg/m3 (38) 15.2 μg/m3 (58) 58.0
 
April 11, 2021, 4 p.m. 5.3 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.28 ppb (4) 37.0 μg/m3 (35) 25.2 μg/m3 (79) 79.0
 
April 11, 2021, 3 p.m. 6.2 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.29 ppb (4) 36.4 μg/m3 (34) 23.3 μg/m3 (75) 75.0
 
April 11, 2021, 2 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.3 ppb (4) 35.4 μg/m3 (33) 10.6 μg/m3 (45) 45.0
 
April 11, 2021, 1 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.27 ppb (4) 35.7 μg/m3 (34) 11.1 μg/m3 (47) 47.0
 
April 11, 2021, noon 5.6 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.28 ppb (4) 35.8 μg/m3 (34) 9.9 μg/m3 (42) 42.0
 
April 11, 2021, 11 a.m. 3.9 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.23 ppb (3) 29.2 μg/m3 (28) 8.9 μg/m3 (38) 38.0
 
April 11, 2021, 10 a.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.21 ppb (3) 28.3 μg/m3 (27) 10.4 μg/m3 (44) 44.0
 
April 11, 2021, 9 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 24.2 μg/m3 (23) 10.2 μg/m3 (43) 43.0
 
April 11, 2021, 8 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.21 ppb (3) 22.2 μg/m3 (21) 8.5 μg/m3 (36) 36.0
 
April 11, 2021, 7 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.18 ppb (3) 27.2 μg/m3 (26) 9.7 μg/m3 (41) 41.0
 
April 11, 2021, 6 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.17 ppb (3) 34.4 μg/m3 (32) 11.2 μg/m3 (47) 47.0
 
April 11, 2021, 5 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.18 ppb (3) 24.7 μg/m3 (23) 15.7 μg/m3 (59) 59.0
 
April 11, 2021, 4 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.17 ppb (3) 27.3 μg/m3 (26) 14.8 μg/m3 (57) 57.0